Academic literature on the topic 'Eventi rock'
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Journal articles on the topic "Eventi rock"
1
Janetzki, Nathan, Kirsten Benkendorff, and Peter G. Fairweather. "Rocks of different mineralogy show different temperature characteristics: implications for biodiversity on rocky seashores." PeerJ 9 (January 26, 2021): e10712. http://dx.doi.org/10.7717/peerj.10712.
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As some intertidal biota presently live near their upper tolerable thermal limits when emersed, predicted hotter temperatures and an increased frequency of extreme-heat events associated with global climate change may challenge the survival and persistence of such species. To predict the biological ramifications of climate change on rocky seashores, ecologists have collected baseline rock temperature data, which has shown substrate temperature is heterogenous in the rocky intertidal zone. A multitude of factors may affect rock temperature, although the potential roles of boulder surface (upper versus lower), lithology (rock type) and minerology have been largely neglected to date. Consequently, a common-garden experiment using intertidal boulders of six rock types tested whether temperature characteristics differed among rock types, boulder surfaces, and whether temperature characteristics were associated with rock mineralogy. The temperature of the upper and lower surfaces of all six rock types was heterogeneous at the millimetre to centimetre scale. Three qualitative patterns of temperature difference were identified on boulder surfaces: gradients; mosaics; and limited heterogeneity. The frequency of occurrence of these temperature patterns was heavily influenced by cloud cover. Upper surfaces were generally hotter than lower surfaces, plus purple siltstone and grey siltstone consistently had the hottest temperatures and white limestone and quartzite the coolest. Each rock type had unique mineralogy, with maximum temperatures correlated with the highest metallic oxide and trace metal content of rocks. These baseline data show that rock type, boulder surface and mineralogy all contribute to patterns of heterogenous substrate temperature, with the geological history of rocky seashores potentially influencing the future fate of species and populations under various climate change scenarios.
2
Turra, A., and M. R. Denadai. "Microhabitat use by two rocky shore gastropods in an intertidal sandy substrate with rocky fragments." Brazilian Journal of Biology 66, no. 1b (February 2006): 351–55. http://dx.doi.org/10.1590/s1519-69842006000200017.
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Sandy beaches in some areas of the São Sebastião Channel in southeastern Brazil have unremittingly undergone a variety of impacts, including the deposition of rock fragments in the intertidal region. Consequently, these environments support a rich fauna comprising both sandy beach and rocky shore organisms. Two rocky shore gastropods, Tegula viridula and Morula nodulosa, are particularly abundant in such environments. An evaluation of the use of microhabitats by these two species revealed that they occupy the available microhabitats in different proportions and the presence of one species is associated with the absence of the other. Morula nodulosa is randomly dispersed, occupying mostly areas with rock fragments covered with sediment and branching brown algae. Tegula viridula shows a clumped dispersion associated with the patchiness of the microhabitats used: the presence of encrusting green algae and absence of sediment and branching brown algae covering the rocks. These findings suggest T. viridula has a lower tolerance than M. nodulosa to sand inundation of the rocky fragments, a stochastic event common to the environment in question.
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Yu, Zhenzi, Ang Li, Bo Zhang, Hongyue Li, Qian Mu, Yonggen Zhou, and Shuai Gao. "Particle Flow Analysis on Mechanical Characteristics of Rock with Two Pre-Existing Fissures." Sustainability 14, no. 22 (November 10, 2022): 14862. http://dx.doi.org/10.3390/su142214862.
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Many research results show that under any stress state the rock mass is most likely to crack, swell, bifurcate, and infiltrate from the fissure tip, resulting in rock engineering instability and failure. In order to study the influence of double fissure angles on rock mechanical characteristics, five rock numerical models with different fissure angles were established by numerical simulation software. Uniaxial compression tests were carried out, and the variation characteristics of rock stress, strain, failure, microcrack, and acoustic emission (AE) were recorded. The test results show that: With increases in the fissure angles, the elastic modulus of rock increased, while the peak strength decreased first and then increased. The number of microcracks in rock was greater at 15° and 75° than at other angles. The microcracks in rock were mainly tensile cracks, and relatively few were shear cracks. The angles of microcracks were mostly concentrated between 0 and 180°, most of which were between 60 and 110°. The failure of rock was relatively light when the fissure angle was15° or 75°, but it produced more and smaller fragments, and the failure was the most serious when the fissure angle was 30°. The angles of the fissures affected the maximum number of AE events, the strain values for the initial AE event, and the maximal AE event. This research can provide some reference for disasters caused by rocks with pre-existing fissures.
4
Liu, Yang, Cai-Ping Lu, and Heng Zhang. "Mutation effect of acoustic and electromagnetic emissions of hard rock impact failure." International Journal of Distributed Sensor Networks 15, no. 1 (January 2019): 155014771882447. http://dx.doi.org/10.1177/1550147718824473.
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To reveal acoustic emission and electromagnetic emission effects during hard rock impact failure is a crucial issue for monitoring and warning rockburst risk induced by hard roof fracture and fall. The presented research focuses on acoustic emission and electromagnetic emission and microseismic effects detected during laboratory tests and by in situ multi-parameter observations, and the field observations agreed satisfactorily with the experimental evidences. The following main conclusions were drawn: (1) the stress level, frequency of micro-cracks, and impact failure regularity of hard rocks can be revealed with electromagnetic emission and acoustic emission/microseismic parameters, respectively; (2) acoustic emission/microseismic event counts can directly reveal the cracks change in rocks, and the initiation, propagation, and coalescence of micro-cracks can be presented as first increase, followed by decrease in acoustic emission/microseismic event counts; (3) in most cases, only when stress suddenly decreases or the rock final collapses, acoustic emissions show obviously abnormal; and (4) acoustic emission/microseismic can be more effectively applied to warn rockburst danger. The above conclusions may shed light on the effective monitoring and warning methods of rockburst triggered by hard roof fall, and events contribute to some interpretations to originally transient precursors of hard rock fracturing.
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JASTRZĘBSKI, MIROSŁAW, BARTOSZ BUDZYŃ, and WOJCIECH STAWIKOWSKI. "Cambro-Ordovician vs Devono-Carboniferous geodynamic evolution of the Bohemian Massif: evidence from P–T–t studies in the Orlica–Śnieżnik Dome, SW Poland." Geological Magazine 156, no. 3 (November 16, 2017): 447–70. http://dx.doi.org/10.1017/s0016756817000887.
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AbstractThe pressure–temperature–deformation–time (P–T–d–t) record of metagranitic rocks and adjacent diverse rocks of the metavolcano-sedimentary group from the Orlica–Śnieżnik Dome (OSD) in SW Poland is examined. The study aims to better understand the course of the break-up of northern Gondwana and the overprinting Variscan tectonometamorphism in the NE Bohemian Massif. We test the existing hypotheses that explain the Cambro-Ordovician thermal event recorded in the meta-supracrustal group by (i) syn-deformational regional metamorphism or (ii) the contact metamorphism of the (meta)sedimentary rocks around the intruding ~490–500 Ma granitic magmas. In addition, we check the extent and timing of the Variscan prograde and retrograde medium-pressure metamorphism in the OSD. The results imply that Early Palaeozoic monazites, rarely preserved in both rock groups, document ~490–500 Ma volcanic and plutonic events related to the Gondwana's break-up and following disturbance of the Th–U–Pb system during younger, Variscan events. The monazite geochronology reveals no distinct Cambro-Ordovician thermal aureole around the post-granitic orthogneisses. However, no large-scale Variscan juxtaposition is evident between the two main OSD rock groups or within the meta-supracrustal rocks. Consistent P–T–d–t results for the meta-supracrustal rocks and the orthogneisses suggest that their precursors contacted before the Variscan tectonometamorphism. The directly contiguous ortho- and paragneisses together experienced tectonometamorphic processes at maximum depths that correspond to 7.5–8.0 kbar and maximum temperatures of ~600–620°C, as a result of the Variscan collision of Gondwana and Euramerica. The continental collision-related events intensified at ~360 Ma and ~330–340 Ma.
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Alber, M., R. Fritschen, and M. Bischoff. "Strength constraints of shallow crustal strata from analyses of mining induced seismicity." Solid Earth Discussions 5, no. 1 (June 3, 2013): 737–65. http://dx.doi.org/10.5194/sed-5-737-2013.
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Abstract. Stress redistributions around large underground excavations such as coal mines may lead to failure of the surrounding rock mass. Some of these failure processes were recorded as seismic events. In this paper the different failure processes such as rock mass failure or the reactivation of faults are delineated from the seismic records. These are substantiated by rock mechanical analyses including laboratory strength tests on coal measure rocks obtained from underground drilling. Additionally, shear tests on discontinuities in coal measure rocks (slickensides in shale and rough sandstone joints) were conducted to grasp the possible variation of strength properties of faults. Numerical modeling was employed to evaluate the state of stress at the locations where seismic events did occur.
7
Anderson, John G., and James N. Brune. "Methodology for using precarious rocks in Nevada to test seismic hazard models." Bulletin of the Seismological Society of America 89, no. 2 (April 1, 1999): 456–67. http://dx.doi.org/10.1785/bssa0890020456.
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Abstract Fields of precariously balanced rocks indicate that strong earthquake motions have not occurred at that site since the precarious rocks developed. These fields can be characterized with an estimate of the peak acceleration that would be sufficient to topple the rocks and an estimate of how long the rocks have been precarious. This article uses this information to test the input to probabilistic seismic hazard analysis. The fundamental assumption is that the probability of exceeding a ground motion capable of toppling a precarious rock during a time period equal to the age of the rock is equal to the confidence level at which the inputs to the probabilistic seismic hazard analysis can be rejected. We performed a probabilistic seismic hazard analysis for 26 sites of observed precarious rocks in Nevada, using preliminary estimates of the toppling acceleration and the age of the features. Two standard models are rejected with over 95% confidence by most of the precarious rock observations. We consider several possible explanations for the inconsistency. A probabilistic seismic hazard analysis that eliminates the area sources and only includes faults is consistent with the precarious rock observations at most of the sites. Spatial clustering of small-magnitude events could maintain this effect without contradicting the precarious rock observations. However, it may not be necessary to completely reject the area sources from our probabilistic seismic hazard analysis. The physics of rock stability may allow increasing the minimum magnitude to 6.0 in the area sources, because the short duration of high-frequency accelerations in smaller events may not topple all precarious rocks. The precarious rocks could generally have small site effects. Attenuation models may overestimate ground motions on the foot wall of normal faults, and a different attenuation model in general might decrease the ground-motion predictions. The ergodic assumption that is made in estimating the uncertainty in attenuation models may be contributing to overestimate the hazard. Individually, each of these effects might allow more of the precarious rock sites to be consistent with the area source zones.
8
Jenkin, Gawen R. T., Paul Mohr, John G. Mitchell, and Anthony E. Fallick. "Carboniferous dykes as monitors of post-Caledonian fluid events in West Connacht, Ireland." Transactions of the Royal Society of Edinburgh: Earth Sciences 88, no. 4 (1997): 225–43. http://dx.doi.org/10.1017/s0263593300006969.
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AbstractThe causes of hydrothermal alteration in dolerite dykes intruding Caledonian rocks of W Connacht are investigated using stable isotope, water content and K–Ar data for whole rocks and mineral separates. Using an isochron approach the Logmór dyke in the north is re-dated to 308±4 Ma; previously determined older whole-rock ages reflect excess 40Ar. The ∼ 305 Ma age previously proposed for the Teach Dóite suite in the south is reinforced by a 305 Ma age on a pyroxene separate, although the severe resetting of most samples is emphasised by other pyroxene and plagioclase ages of ∼210 Ma. Pyroxene δ18O values for these Upper Carboniferous dykes are mostly 5·5 to 6·1%, indicating negligible crustal contamination. Logmór whole-rock samples have water contents of 1·7–2·1 wt.%, δ5D= 59 to –47‰ and δ18O = 9·4 to 9·6‰; plagioclase shows little mineralogical alteration but its δ18O is 9·7‰. Hydrothermal alteration involving a local formation or metamorphic water took place at high fluid/rock ratios and high temperature during cooling after intrusion, most probably in a thermally-driven convection system. Teach Dóite dykes have water contents of 2·0–4·2 wt.%. δD= –58 to –38‰ and δ18O = 3·6 to 9·2‰, and were mostly altered in two stages; hydration upon intrusion to ∼ 2 wt.% water by contemporaneous meteoric water at low fluid/rock ratios was followed by extensive chemical and isotopic alteration at ∼210 Ma (Upper Triassic) by surface waters. This latter event could also have caused the extensive alteration observed in the host rocks.
9
Lorenz, R. D., J. M. Norris, B. K. Jackson, R. D. Norris, J. W. Chadbourne, and J. Ray. "Trail formation by ice-shoved "sailing stones" observed at Racetrack Playa, Death Valley National Park." Earth Surface Dynamics Discussions 2, no. 2 (August 28, 2014): 1005–22. http://dx.doi.org/10.5194/esurfd-2-1005-2014.
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Abstract. Trails in the usually-hard mud of Racetrack Playa in Death Valley National Park attest to the seemingly-improbable movement of massive rocks on an exceptionally flat surface. The movement of these rocks, previously described as "sliding stones", "playa scrapers", "sailing stones" etc., has been the subject of speculation for almost a century but is an exceptionally rare phenomenon and until now has not been directly observed. Here we report documentation of multiple rock movement and trail formation events in the winter of 2013–2014 by in situ observation, video, timelapse cameras, a dedicated meteorological station and GPS tracking of instrumented rocks. Movement involved dozens of rocks, forming fresh trails typically of 10s of meters length at speeds of ~5 cm s−1 and were caused by wind stress on a transient thin layer of floating ice. Fracture and local thinning of the ice decouples some rocks from the ice movement, such that only a subset of rocks move in a given event.
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Yao, Chi, Sizhi Zeng, and Jianhua Yang. "Failure Process Simulation of Interlayered Rocks under Compression." Advances in Civil Engineering 2018 (August 1, 2018): 1–13. http://dx.doi.org/10.1155/2018/9615457.
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Anisotropy in strength and deformation of rock mass induced by bedding planes and interlayered structures is a vital problem in rock mechanics and rock engineering. The modified rigid block spring method (RBSM), initially proposed for modeling of isotropic rock, is extended to study the failure process of interlayered rocks under compression with different confining pressures. The modified rigid block spring method is used to simulate the initiation and propagation of microcracks. The Mohr–Coulomb criterion is employed to determine shear failure events and the tensile strength criterion for tensile failure events. Rock materials are replaced by an assembly of Voronoi-based polygonal blocks. To explicitly simulate structural planes and for automatic mesh generation, a multistep point insertion procedure is proposed. A typical experiment on interlayered rocks in literature is simulated using the proposed model. Effects of the orientation of bedding planes with regard to the loading direction on the failure mechanism and strength anisotropy are emphasized. Results indicate that the modified RBSM model succeeds in capturing main failure mechanisms and strength anisotropy induced by interlayered structures and different confining pressures.
Dissertations / Theses on the topic "Eventi rock"
1
CORSARO, SERGIO. "Eventi Rock: un sistema di relazioni per lo sviluppo sostenibile." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2497364.
Full textAbstract:
Le manifestazioni artistiche come gli eventi Rock (concerti e festival musicali), oltre ad avere
come obiettivi prioritari l’economia, le performance artistiche, l'incontro di persone, il loro
divertimento ed il relativo scambio di pensiero, spesso non si preoccupano del rispetto per
l’ambiente in cui si svolgono e della comunità che li ospita.
Introducendo a questi il pre-requisito ambientale si dovrebbe maturare la consapevolezza di non
gravare troppo sull’ambientale e di sviluppare un modello sostenibile condividendo l’esperienza e
la sua realizzazione con una comunità di attori e soggetti partecipanti.
Un concerto lo si vive, generalmente, per la forte componente emotiva generata dalla musica e
dallo spettacolo visivo, ma questo può anche far nascere nuovi comportamenti sostenibili.
Questa nuova esperienza non sarà generata solo realizzando un semplice “evento green” ma
soprattutto dando vita ad una nuova cultura organizzativa. Cercando di progettare a monte tutto
quello che si relaziona intorno all’evento. Dal Trasporto delle merci a quello delle persone, dalla
gestione dell’energia a quella dei rifiuti, dalla somministrazione di cibi e bevande alla vendita del
merchandising e supporti audio promozionali; tutto dovrà essere gestito in modo che i vari output
di un sistema produttivo diventino poi input per un altro.
Questo è il motivo per cui pensiamo che la via migliore sia quella di approciarsi al problema in
modo sistemico. Questa metodologia prende in analisi e mette in relazione un insieme
d’interventi ognuno dei quali dovrà ottenere ricadute positive multiple che siano in grado di
materializzare sempre migliori prestazioni e maggiori risparmi di energia, di flussi o di materia.
Questo processo, di sinergia positiva, deve poter essere gestito in sintonia da tutti gli attori in
modo da poter avere, all'interno di un ecosistema, un risultato positivo sempre migliorato e
migliorabile. L’obiettivo è quello di rendere partecipe a questo processo ogni singolo attore
partecipante che potrà essere un soggetto diffusore di questo approccio.
Questo è il motivo per cui la ricerca, che sta alla base del mio dottorato, ha l’obiettivo di poter
definire una serie di linee guida di intervento, indici, parametri e azioni che abbiano per risultato
un minor impatto ambientale, sociale ed economico per lo svolgimento delle attività legate ai
grandi e piccoli eventi (concerti) che entreranno in programma nella città. Per poter adempiere a
IV
questa obiettivo il lavoro di ricerca ha riscontrato una serie di problematiche. La più importante è
stata quella della valutazione del grado di sostenibilità degli eventi. Cioè l’assenza totale di un
modello per il computo degli impatti, realizzato ad hoc, che ci permetta di valutare,
qualitativamente e quantitativamente le scelte e le ricadute delle azioni. Questo ci permetterà cosi
di costruire uno scenario fatto di dati tangibili e utili a guidare le scelte progettuali, con una visione
olistica in linea con l’approccio metodologico e condiviso con la comunità scientifica.
In conclusione il lavoro si articola cercando di elaborare, con i dati reperiti, un network di
indicatori utili per la computazione e la quantificazione della sostenibilità raggiunta.
Questo lavoro lascerebbe le porte aperte a delle evoluzioni future sia in ambito accademico, sia
in ambito istituzionale (supportando le decisioni), sia in ambito commerciale (con delle attività di
consulenza per le società e comitati organizzativi di grandi e piccoli eventi).
2
CORSARO, SERGIO. "Eventi Rock:un sistema di relazioni per lo sviluppo sostenibile." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2497359.
Full textAbstract:
si vive, generalmente, per la forte componente emotiva generata dalla musica e
dallo spettacolo visivo, ma questo può anche far nascere nuovi comportamenti sostenibili.
Questa nuova esperienza non sarà generata solo realizzando un semplice “evento green” ma
soprattutto dando vita ad una nuova cultura organizzativa. Cercando di progettare a monte tutto
quello che si relaziona intorno all’evento. Dal Trasporto delle merci a quello delle persone, dalla
gestione dell’energia a quella dei rifiuti, dalla somministrazione di cibi e bevande alla vendita del
merchandising e supporti audio promozionali; tutto dovrà essere gestito in modo che i vari output
di un sistema produttivo diventino poi input per un altro.
Questo è il motivo per cui pensiamo che la via migliore sia quella di approciarsi al problema in
modo sistemico. Questa metodologia prende in analisi e mette in relazione un insieme
d’interventi ognuno dei quali dovrà ottenere ricadute positive multiple che siano in grado di
materializzare sempre migliori prestazioni e maggiori risparmi di energia, di flussi o di materia.
Questo processo, di sinergia positiva, deve poter essere gestito in sintonia da tutti gli attori in
modo da poter avere, all'interno di un ecosistema, un risultato positivo sempre migliorato e
migliorabile. L’obiettivo è quello di rendere partecipe a questo processo ogni singolo attore
partecipante che potrà essere un soggetto diffusore di questo approccio.
Questo è il motivo per cui la ricerca, che sta alla base del mio dottorato, ha l’obiettivo di poter
definire una serie di linee guida di intervento, indici, parametri e azioni che abbiano per risultato
un minor impatto ambientale, sociale ed economico per lo svolgimento delle attività legate ai
grandi e piccoli eventi (concerti) che entreranno in programma nella città. Per poter adempiere a
IV
questa obiettivo il lavoro di ricerca ha riscontrato una serie di problematiche. La più importante è
stata quella della valutazione del grado di sostenibilità degli eventi. Cioè l’assenza totale di un
modello per il computo degli impatti, realizzato ad hoc, che ci permetta di valutare,
qualitativamente e quantitativamente le scelte e le ricadute delle azioni. Questo ci permetterà cosi
di costruire uno scenario fatto di dati tangibili e utili a guidare le scelte progettuali, con una visione
olistica in linea con l’approccio metodologico e condiviso con la comunità scientifica.
In conclusione il lavoro si articola cercando di elaborare, con i dati reperiti, un network di
indicatori utili per la computazione e la quantificazione della sostenibilità raggiunta.
Questo lavoro lascerebbe le porte aperte a delle evoluzioni future sia in ambito accademico, sia
in ambito istituzionale (supportando le decisioni), sia in ambito commerciale (con delle attività di
consulenza per le società e comitati organizzativi di grandi e piccoli eventi).
3
Rodrigues, Flávio Lins. "Rock in Rio: comunicação e consumo no contexto de um grande evento made in Brazil." Universidade do Estado do Rio de Janeiro, 2016. https://repositorio.ufjf.br/jspui/handle/ufjf/7024.
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PROQUALI (UFJF)
O objetivo principal desta tese é analisar a consolidação do festival de música Rock in Rio como um potente instrumento de comunicação. Nosso percurso teórico tem como ponto de partida a investigação da origem dos grandes eventos e sua relação com o gênio do lugar onde surgiram. Abordamos o processo de festivalização das cidades/da cultura, não só como bálsamo para problemas que afligem o contemporâneo, como desemprego e desindustrialização, mas como rituais públicos que celebram uma comunidade idealizada. No âmago desta tese estão questões relativas à produção de tempo e de espaço possibilitadas pelos grandes eventos, como pilares de um capitalismo que se amasiou com a cultura. A fim de analisar o Rock in Rio, verificamos a sua trajetória e seus desdobramentos em múltiplas plataformas. Em um momento no qual velhas mídias precisam se reinventar para conviver com novas possibilidades de comunicação, o empresário Roberto Medina incorporou-as de maneira hábil e rápida a serviço da marca. Nas arenas do festival a economia da experiência tornou-se palavra de ordem, configurando-o como um lugar para emoção, onde artistas e empresas disputam a atenção do público, em um tempo e espaço dramatizados por especialistas em sedução e consumo. Valendo-nos do desafiador e tortuoso caminho de pesquisa proposto pela arqueologia da mídia, especialmente para um produto multifacetado como o Rock in Rio, tanto a pesquisa teórica quanto a empírica dão conta de que na comunicação, considerando o consumo também como um modo de dizer, estão o sopro de vida e também a razão de ser dos grandes eventos. O Rock in Rio é, assim, sinalizado como uma grande mídia ao vivo, que tem na presença e na visibilidade o dogma de sua vitalidade.
The main objective of this thesis is to analyze the consolidation of Rock in Rio music festival as a powerful communication tool. Our theoretical course takes as its starting point the investigation of the origins of major events and their relation to the place where they came from. We addressed the process of cities/culture festivalization, not only as a balm to problems afflicting the contemporary, such as unemployment and de-industrialization , but also as public rituals celebrating an idealized community. At the core of this thesis are issues concerning the production of time and space made possible by major events as the pillars of a capitalism that merged with culture. In order to analyze the Rock in Rio, we approach its trajectory and its consequences on multiple platforms. In a time when old media need to reinvent themselves to live with new possibilities for communication, businessman Roberto Medina incorporated them skillfully and quickly in service of the brand. In the arenas of the festival, experience economy has become a slogan, setting it up as a place for emotion, where artists and companies compete for public attention, in a time and a space dramatized by experts in seduction and consumption. Based on the challenging and tortuous path of research proposed by media archaeology, especially for an all-purpose product such as Rock in Rio, both the theoretical research as the empirical one enabled us to realize that communication, considering consumption also as a kind of speech,lies the lease of life and also the reason for the big events. Rock in Rio is thus tagged as a great live medium, which has the presence and visibility in the dogma of its vitality.
4
Umbelino, Ana Filipa Rosado. "A magnitude que os festivais de música, Rock in Rio, NOS Alive e Super Bock Super Rock têm para a hotelaria de 4 e 5 estrelas em Lisboa, Cascais e Oeiras." Master's thesis, Escola Superior de Hotelaria e Turismo do Estoril, 2018. http://hdl.handle.net/10400.26/24660.
Full textAbstract:
A relação entre eventos e turismo é verídica e sempre foi muito forte. Essa relação, que hoje adquire uma fenomenal importância económica, cultural e social, resulta do progresso e expansibilidade dos eventos, do fenómeno turístico e da cada vez mais a intrínseca ligação entre eles. Nos dias de hoje realizam-se todos os dias inúmeros eventos que reúnem milhares de participantes, uma parcela deles turistas nacionais e internacionais. Estes usufruem dos transportes rodoviários, aéreos e ferroviários, da hotelaria, restauração e outros serviços turísticos, contribuindo assim para a economia do turismo e dos eventos.
Os festivais de música consagram uma das vertentes dos eventos em Portugal onde têm tido uma evolução espantosa, cada vez são em maior número, com cartazes apelativos, preparados para receber qualquer tipo de público, uns em sítios fechados outros em espaços verdes abertos, todos com o mesmo propósito, oferecer ao turista uma experiência única.
A hotelaria e este tipo de eventos acabam por ser uma parceria, dado que uma parte dos turistas necessitam de pernoitar em estabelecimentos, estabelecimentos estes que muitas das vezes são unidades hoteleiras.
Desta ligação entre as unidades hoteleiras e os festivais de música, surge o interesse em estudar a influência que os festivais de música como o Rock in Rio, NOS Alive e Super Bock Super Rock, detêm na hotelaria de 4 e 5 estrelas na área da Grande Lisboa, objetivando assim a magnitude que estes proporcionam em relação à Taxa de Ocupação, Room Night, Receita Geral das unidades hoteleiras bem como para o turismo em Lisboa, Cascais e Oeiras.
Com o estudo efetuado pode-se concluir que a maioria das unidades hoteleiras em estudo não aumenta o room night, que estes festivais de música influenciam bastante as unidades hoteleiras a nível de taxa de ocupação e receita geral e que a realização destes festivais são um forte contributo para a hotelaria e para o Turismo em Lisboa.The relation between events and tourism is real and it has always been strong. Nowadays, it acquired a significant economic, cultural and social importance, which resulted from the progress and expansion of those events and also from the touristic phenomenon and the intrinsic connection between them, that as increase over the years. Countless events take place every day gathering thousands of participants, either national or international that has road, air and rail transportation, hotels, restaurants and other touristic services, thus contributing to the tourism industry. The music festivals are one of the most remarkable aspects of events management in Portugal, increasing more and more every day, using appealing posters and flyers, and are well prepared to receive any type of public, some in closed spaces others in open ones, all with the same purpose, same goal, offer an unique experience. The hotel industry and these type of events share a partnership, since some of the tourists need to stay overnight at the establishments, which, majority of times, are hotels. From this connection, between hotel industry and music festivals, emerges the interest in studying the influence that Rock in Rio, NOS Alive and Super Bock Super Rock have in the 4 and 5 star hotels in the Great Lisbon area, aiming towards the magnitude they provide in relation to the occupation rate, room night and general revenue of the hotel units as well as for the tourism in Lisbon. With the study carried out it can be concluded that the majority of the hotels studied do not increase the room night, that these music festivals greatly influence the hotel units in terms of occupancy rate and general revenue and that the realization of these festivals are a a strong contribution to the hotel industry and Tourism in Lisbon.
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Kolda, David. "Event marketing značky Birell pro rok 2017." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-262330.
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The work deals with the event marketing strategy of Birell that holds a leading market position in the Czech Republic in the sale of non-alcoholic beer. As part of building a new brand image Birell participates in a number of sports events. By trying to raise brand awareness and build a reputation among consumers. The main goal is to create event plan for 2017. The operational objective is to propose adjustments to the existing event strategy. The theoretical part is devoted to the integration of event marketing communication mix and basic typology. Then it describes all processes in the planning, execution and evaluation of events. There is presented a research in the practical part as well as creation of evaluation criteria used to assess bids for the year 2017.
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Student, James John. "The Box Ankle and Ocmulgee shear zones of central Georgia: a study of geochemical response to Southern Appalachian deformation events." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09192009-040411/.
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Brooks, Sarah, Dan O'Halloran, and Alexandre Magnin. "Rock On! : Bringing strategic sustainable development to music festivals." Thesis, Blekinge Tekniska Högskola, Avdelningen för maskinteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3860.
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Recreational events gather large numbers of people in concentrated areas for brief periods of time. Effects of these events extend far beyond their spatial and temporal boundaries; a music festival is one such event. This paper asks, “What are some measures that can move music festivals strategically toward sustainability?” A framework for strategic sustainable development based on backcasting from sustainability principles is applied. Research draws on pertinent literature, interviews with festival organizers and an in-depth case study with International Music Concepts. Results indicate that critical flows and management routines upon which music festivals depend contribute to systematic undermining of social and ecological systems. Festival organizers sit at the centre of these flows, and are crucial to changing them. Education to inspire behavioural change of festival organizers and other stakeholders, notably suppliers, audience and artists, appears critical to shifting music festivals toward sustainability. This can be underpinned by building in-house ‘sustainability capacity’ of festival organisations; creating strategic alliances between festival organizers; and scaling up organisational efforts to include lobbying governments for financial and other support to authenticate a high-level commitment to true sustainable development. Music festivals may then leverage their role in society to move society itself toward sustainability. A template and guidebook are presented to facilitate this shift.
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Roddom, David Shaun. "'4'0Ar/'3'9Ar dating of some tectonic events in the U.K." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241167.
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Chan, Heung-ngai. "Igneous and metamorphic rocks from SW Cyprus and NW Syria evidence for Cretaceous microplate collision and subsequent tectonic events in the Eastern Mediterranean /." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B30711940.
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Williams, Michael. "Music events as contemporary spectacle : U2's '360°' tour : a collective experience of rock, rituals and resistance." Thesis, University of Brighton, 2017. https://research.brighton.ac.uk/en/studentTheses/840649a3-e67e-44ba-8cd1-ee9c9a2f06d7.
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This thesis is concerned with how fans experience, create meaning from, and contribute to the creation of a spectacle. Existing theorizations of spectacle are limited and often undifferentiated. Furthermore, there is little knowledge of how an event becomes a spectacle. This research addresses these gaps. In particular, it aims to develop a better understanding of the concept of spectacle and process of spectacularization in the context of a rock music event. It investigates the contribution of the spectators to the creation of spectacle, arguing that the spectators of U2’s ‘360°’ tour (2009W2011) as human agents are more than passive consumers of commercial entertainment. A comprehensive theoretical framework, drawing on the concepts of community, identity and power, helps to address questions of belonging and identity, embodied experiences and politics. Adopting a social constructionist philosophical position, the research draws on a blend of netnography, ethnography and critical sociology. Rich qualitative data were collected in three phases, including preliminary online research of selected U2W related websites, in depth semi structured interviews with 26 fans, and U2’s Show director, and a qualitative content analysis of documentary material. Three overarching, partly overlapping and prominent themes emerged from the interview data: community and identity, enchantment, and politics. Thematic analyses of the findings revealed that U2’s concerts gave individuals a sense of belonging to a global community of fans. They also provided an enchanting, liminal space, which offered transcendent experiences and increased fans’ awareness of certain socio political issues, although this was highly regulated and choreographed. Despite the temporary and episodic nature of U2’s shows, the community was real for many of the fans, and was perpetuated online. This research contributes to re defining an re theorizing the spectacle in the context of rock music events. Consequently, any contemporary attempts to define modern spectacles in the context of rock music events need to include the notions of community, enchantment, and politics, and account for visual, artistic, spiritual and spatial aspects as well as scale.
Books on the topic "Eventi rock"
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I giorni del rock: Gli eventi che hanno fatto la storia della musica. Milano, Italia: Edizioni White Star, 2016.
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Marcello, Nitti, ed. ' 80, new sound, new wave: Vita, musica ed eventi nella provincia italiana degli anni '80. Taranto: Geophonìe, 2007.
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Ghesquière, Gaëlle. All access events. Paris: Vade-Retro, 2005.
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The rock cried out. Jackson: University Press of Mississippi, 2012.
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McCarthy, Jim. Voices of Latin rock: People and events that created this sound. Milwaukee, WI: Hal Leonard Corporation, 2004.
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L, Swanson P., ed. Accuracy and precision of microseismic event locations in rock burst studies. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1992.
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Upon this rock: The life of St. Peter. New York: Macmillan, 1987.
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McCarthy, Jim. Voices of Latin rock: People and events that created this sound. Milwaukee, WI: Hal Leonard Corporation, 2005.
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Riefenberg, Jennifer S. A simplex-method-based algorithm for determining the source location of microseismic events. Washington, DC: Dept. of the Interior, 1989.
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Riefenberg, Jennifer S. A simplex-method-based algorithm for determining the source location of microseismic events. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1989.
Find full textBook chapters on the topic "Eventi rock"
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Offerhaus, Anke. "„Nena rockt die Einheitsfeier“." In Urbane Events, 141–57. Wiesbaden: VS Verlag für Sozialwissenschaften, 2011. http://dx.doi.org/10.1007/978-3-531-92902-6_9.
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Benfield, Richard W. "Events and festivals." In New directions in garden tourism, 98–115. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789241761.0098.
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Abstract This chapter is dedicated to the study of garden-related events and festivals. Most gardens have festivals and events to drive attendance, with the secondary reason to bring in new visitors and perhaps cater to, or attract new, membership. The chapter highlights a selection of these events and special attractions from around the garden world. Examples are chosen from art events, rock concerts, urban events, and the bizarre and different.
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Benfield, Richard W. "Events and festivals." In New directions in garden tourism, 98–115. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789241761.0007.
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Abstract This chapter is dedicated to the study of garden-related events and festivals. Most gardens have festivals and events to drive attendance, with the secondary reason to bring in new visitors and perhaps cater to, or attract new, membership. The chapter highlights a selection of these events and special attractions from around the garden world. Examples are chosen from art events, rock concerts, urban events, and the bizarre and different.
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Adler, Pierre M., Jean-François Thovert, and Valeri V. Mourzenko. "PercolationPercolation , and FaultsFault and Fractures in RockFractures in rock." In Extreme Environmental Events, 717–30. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-7695-6_38.
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Anikolenko, Valery A., and Vladimir A. Mansurov. "Invariant Kinetic Approach to the Description of a Rock Fracture Process and Induced Seismic Events." In Induced Seismic Events, 367–75. Basel: Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9204-9_12.
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Zhang, Zhiyong. "Characterization and Monitoring of an Unstable Rock Face by Microseismic Methods." In Civil and Environmental Engineering for the Sustainable Development Goals, 97–108. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99593-5_8.
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AbstractUnstable rock slopes are likely to cause rockfalls, threatening human lives and properties, industrial activities, and transportation infrastructures in mountain areas. There is an increasing demand to forecast and mitigate the potential damage of rockfalls by developing a reliable early warning system. In this thesis, an unstable mountain slope in northern Italy was selected as the research target. A microseismic monitoring network has been operating since 2013 as a field research laboratory to study the microseismic monitoring technique in the perspective of developing rockfall early warning systems. Locating microseismic events is a basic step of this technique to obtain the location of developing cracks as possible precursors of rockfalls. However, it is still a challenging task due to the heterogeneity of fractured rock slopes. The main purpose of this thesis is to address the issues related to event localization for microseismic monitoring strategy applied to the unstable rock face. Graphical Abstract
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Feustel, Andrew J., Cezar-Ioan Trifu, and Theodore I. Urbancic. "Rock-mass Characterization Using Intrinsic and Scattering Attenuation Estimates at Frequencies from 400 to 1600 Hz." In Induced Seismic Events, 289–304. Basel: Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9204-9_7.
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Šílený, Jan, and Alexander Milev. "Mechanism of mining-associated seismic events recorded at Driefontein – Sibanye gold mine in South Africa." In Rock Mechanics and Engineering, 353–78. Leiden, The Netherlands; Boca Raton: CRC Press/Balkema, [2017]– |Includes bibliographical references and index. Contents: volume 1. Principles: CRC Press, 2017. http://dx.doi.org/10.1201/9781315364223-11.
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Machado, Annaelise Fritz, Bruno Sousa, Joice Lavandoski, Laurentina Vareiro, and Victor Figueira. "Music, Green Marketing and Sustainability Festivals: the Case of the Rock in Rio Tourist Event." In Festival and Event Tourism, 64–71. GB: CABI, 2022. http://dx.doi.org/10.1079/9781789248685.0007.
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Takdir, F., H. Gunawan, and L. M. Shaleh. "Impact of Slope Stability Radar (SSR) position on early warning detection for hazardous geotechnical event, study case: Bench-scale failure." In Rock Dynamics: Progress and Prospect, Volume 1, 74–79. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003359142-8.
Full textConference papers on the topic "Eventi rock"
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van Aswegen, Gerrie, and Olaf Meijer. "The mechanisms of seismic events around faults in mines." In Rock Mechanics in Petroleum Engineering. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/28103-ms.
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Welch, N. J., L. Huang, M. R. Gross, and S. Glubokovskikh. "Stratigraphic Analysis of Microseismic Signatures During Hydraulic Stimulation." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2258.
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ABSTRACT: This paper presents a novel workflow to enhance the interpretation of microseismic events by comparing the temporal evolution of the microseismic cloud between adjacent stages from two different wells. The stratigraphic properties of identified rock layers along with changes within the local stress field distribution may determine the propagation path and aperture of the hydraulic fracture. Hydraulic fractures however are largely aseismic, and thus microseismic signatures surrounding the hydraulic fracture may indicate important damage-zone fracture formation. A comparison of each microseismic event with the local rock stratigraphy of the hypocenter determined regions where rock composition and larger formation layers influenced the microseismic signals of events. This analysis allowed for classification of microseismic events by formation layers and can elicit different in-situ stress states during hydraulic stimulation. Principal Component Analysis of each formation microseismic cloud can quickly show dominating stresses in the microseismic signals. The changes in the microseismic cloud between the first and second stimulated wells during a zipper fracture stimulation shows the significant changes in formation stress from one well to another in a multi-well system. 1. INTRODUCTION The Hydraulic Fracture Test Site (HFTS-1) is a Public-Private partnership funded by the United States Department of Energy (DOE) with various industry and academic partners to expand our knowledge of the hydraulic stimulation of unconventional reservoirs. In the project 11 horizontal wells were drilled with over 400 stimulation stages completed with advanced monitoring deployed in multiple wells. The test site is located in the West Texas Permian (Midland) Basin targeting the upper and middle Wolfcamp formations. A total of 183 m (600 ft.) of core was recovered from a slanted investigation well drilled after stimulation to determine the extent of fracture propagation and proppant transport (Ciezobka et al., 2018; Courtier et al., 2017).
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Senfaute, G., P. Bigarré, J. P. Josien, and E. Mathieu. "Real-time microseismic monitoring: Automatic wave processing and multilayered velocity model for accurate event location." In Rock Mechanics in Petroleum Engineering. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/28106-ms.
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Yoshida, Hidekazu, Shoji Nishimoto, and Richard Metcalfe. "Altered Crystalline Rock Distributed Along Groundwater Conductive Fractures and the Retardation Capacity in the Orogenic Field of Japan." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16332.
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In the orogenic field Japanese islands, there are wide areas of crystalline rocks that inevitably contain groundwater conductive fractures associated with alteration zones. However, little attention has been given to the formation process and possible influence on the radionuclides migration from radioactive waste repository that might be sited within crystalline rock. In particular, the influences of alteration minerals and microfractures, due to chemical sorption and/or physical retardation are required to assess the realistic barrier function. In order to understand the alteration process and the retardation capacity, detailed mineralogical and physico-chemical characterization of altered crystalline rocks have been carried out. Mineralogical analysis reveals that the altered crystalline rocks have been formed through basically two stages of water-rock interaction during and after uplift. Physico-chemical characteristics including laboratory sorption experiments show that altered crystalline rock has a certain volume of accessible porosity, particularly in plagioclase grains, which would influence on nuclide retardation more than the accessible porosity in other minerals present, such as biotite. These results provide confidence that even altered and fractured parts of any crystalline rock that might be encountered in a site for the disposal of high-level radioactive waste may still play a role of barrier function.
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Morris, J. P., B. Clary, Y. Kanarska, B. J. Isaac, A. L. Nichols, and K. Knight. "Modeling Thermomechanical Failure and Entrainment of Structural and Geological Materials into a Nuclear Fireball." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2290.
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ABSTRACT: Understanding how the fireball from a nuclear detonation interacts with its environment is essential to predicting the post-detonation environment, including fallout composition and form. Realistic scenarios for nuclear events inevitably involve complex environments, such as urban settings, however the majority of data informing fallout processes come from environments devoid of relevant buildings or other structures. This paper summarizes recent developments in simulations of above-ground nuclear explosions as part of a broader effort to better characterize conditions within a fireball that may influence the chemical evolution of bomb materials and other materials entrained from the local explosion environment. We discuss our recent improvements in modeling of the coupling of radiation transport and mechanical deformation, as well as the transition from intact materials (e.g., rock, concrete, etc.) into airborne particulates. The entrainment process is particularly important to our investigations because entrained materials are a predominant influence on the chemistry and form of resultant fallout. 1. INTRODUCTION This paper discusses recent efforts as part of an internal research project at Lawrence Livermore National Laboratory to improve our understanding of the post nuclear detonation environment, including the chemical evolution of species within the fireball, addressing both bomb debris and entrained material. The motivation is to be able to provide actionable information for both forensic (e.g., establishing responsibility for an event) and consequence management (e.g., predicting the activity of respirable particles). Our goal is to be able to simulate complex scenarios that involve conditions outside of historical testing experience, including, for example, an event at street level in an urban environment. Modeling of such scenarios involves capturing a number of physical and chemical processes that span a range of spatial and temporal scales. Fig. 1 shows the approximate sequence of events and associated processes. At early time, the outgoing shockwave and radiation cause damage and vaporization of immediate geologic materials and structure prior to entrainment into the evolving fireball. It is critically important to capture the geomechanical processes at this stage of fireball evolution. The vaporization, pulverization, and comminution of the geologic materials will determine how much mass introduced into the fireball at early time. This entrained material plays at least two critical roles. First, the entrained mass will cool the fireball, leading to more rapid condensation of materials from the plasma state. Second, the entrained material introduces additional chemical species that contribute to subsequent fallout formation. As the fireball expands and radiates, the initial plasma state cools and individual atoms and molecules can develop. During this phase, it is important to be able to predict what specific molecules develop, because some molecules are more refractory than others. For example, depending upon how much oxygen is available, different oxidation states will be achieved with different melting points. Consequently, modeling the mixing of the fireball with both entrained materials and with the atmosphere is key to predicting the initial formation of fallout relevant radionuclide species. With further cooling, nucleation and condensation of particles occurs, and they are subsequently transported to the surrounding environment.
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Schuller, Volker, Andras Zamolyi, Eirik Stueland, István Dunkl, Michael Kettermann, and Zsolt Schleder. "Fault Rock Property Prediction On Jurassic Clastics Of The Barents Sea/Norway." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206290-ms.
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Abstract We analysed the fault rocks of a compartmentalized field in the Barents Sea, in an area with several tectonic elements, which formed at different tectonic events. Standard Fault Seal Analysis (FSA) was conducted to predict the shale content of the fault rock (SGR). A static cellular model based on well data, seismic data and geological concepts served as input. The fault rock calibration workflow required various data acquired by different methods. We analysed the Mid-Triassic to Upper Jurassic clastic deposits to reconstruct the tectonic history. Apatite fission track and (U-Th)/He thermochronology were used to determine the maximum burial depths and exhumation history. The results of high-resolution shale ductility analysis (BIB-SEM), a compaction trend study, kinematic analysis and structural modelling (section balancing) served as additional input constraints for fault rock calibration. The evaluation of the results helped to reconstruct the following tectonic evolution: The orthogonal faults of the analysed area developed at an early stage, during Late Triassic to Early Jurassic times at relatively shallow depth, below 1000 m. Ongoing subsidence created accommodation space for Upper Jurassic to Cenozoic deposits with a maximum burial depth of 2000 m for the analysed Mid-Jurassic rocks. Exhumation of the area started around 10 Ma and continued through to Quaternary times. The calculated values for fault rock permeability show a wide range when using poorly constrained input for fault rock calibration: 10 to 1000 mD for SGR values around 0.08 at reservoir/reservoir juxtaposition. Fault rock calibration using above described results concluded in reliable values for fault rock permeability and ultimately, for transmissibility multipliers. The reason for the sensitivity of the fault rock calibration is a combination of multiple factors: highly permeable reservoir sandstone, shallow depth of initial faulting, maximum burial depth and low shale content at the primary reservoir level. The study shows that an accurate reconstruction of the geohistory provides essential parameters for fault rock calibration and fault rock permeability calculation. The range of values can widely scatter if preconditions are not acknowledged. Well-constrained fault rock calibration reduces the uncertainty on possible flow scenarios, increases the reliability on production forecasts and helps to determine the most efficient drainage strategy.
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Mercer, Kenneth, and Thomas Stacey. "A Generalised Time and Event Dependent Deformation Model for Unsupported Rock Slopes." In First Southern Hemisphere International Rock Mechanics Symposium. Australian Centre for Geomechanics, Perth, 2008. http://dx.doi.org/10.36487/acg_repo/808_102.
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Al-Farisi, Omar, Hadi Belhaj, Fatmah Yammahi, Abdulla Al-Shemsi, and Hocine Khemissa. "Carbonate Rock Type Matrix RocMat, The Ultimate Rock Properties Catalogue." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10589.
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Rock typing is one of the most important steps in reservoir modeling, and it’s the main task in reservoir characterization. In carbonate, the rock typing work that’s been performed during the last two decades had a little progress in term of providing reliable estimation of reservoir behavior. However, the development of Conjunction Rock Properties Convergence, CROPC, a carbonate rock typing concept that provided an important and easy solution to the carbonate rock typing gaps, has a major breakthrough, even though, CROPC methodology was developed to capture the single pore network through the conjunction of Lithology, permeability, capillary pressure and water saturation. Therefore, the need to identify more complex carbonate pore network had led to the initiation of developing the Carbonate Rock Type Matrix RocMat, which will be detailed in this paper, as part of a Master of Science research project. In this novel concept the carbonate rocks were classified into homogeneous, single pore network, and heterogeneous rocks, dual and triple pore network with the utilization of the effective petrophysical properties of permeability, capillary pressure, saturation, porosity and height above free water level, all were classified in a conjunction matrix that honors these properties and at the same time enables generating sub groups as down scaling and estimation for unseen groups with infinite rock complexity capturing, at the same time it enables the ease to lump the groups and generates upscale-groups that make it easier for utilization by the geologist and reservoir engineers to achieve the objective of better reservoir performance prediction, the work was performed and then tested in two carbonate offshore fields data. This RocMat was structured to be the ultimate catalog for carbonate rock types.
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Vacek, J., and S. Hrachová-Sedláčková. "Rock burst mechanics as a time dependent event." In UNDERGROUND SPACES 2008. Southampton, UK: WIT Press, 2008. http://dx.doi.org/10.2495/us080171.
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Praveena Das, Jennifer, V. R. Balasubramaniam, Kantepudi Goverdhan, and G. P. Ganapathy. "Overview of seismic monitoring and assessment of seismic hazard based on a decade of seismic events." In Recent Advances in Rock Engineering (RARE 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/rare-16.2016.90.
Full textReports on the topic "Eventi rock"
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Hardy, R. D. Event triggered data acquisition in the Rock Mechanics Laboratory. Office of Scientific and Technical Information (OSTI), March 1993. http://dx.doi.org/10.2172/10177063.
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Hardy, R. D. Event triggered data acquisition in the Rock Mechanics Laboratory upgrades and revisions. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/505267.
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Michaels, Michelle, Theodore Letcher, Sandra LeGrand, Nicholas Webb, and Justin Putnam. Implementation of an albedo-based drag partition into the WRF-Chem v4.1 AFWA dust emission module. Engineer Research and Development Center (U.S.), January 2021. http://dx.doi.org/10.21079/11681/42782.
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Employing numerical prediction models can be a powerful tool for forecasting air quality and visibility hazards related to dust events. However, these numerical models are sensitive to surface conditions. Roughness features (e.g., rocks, vegetation, furrows, etc.) that shelter or attenuate wind flow over the soil surface affect the magnitude and spatial distribution of dust emission. To aide in simulating the emission phase of dust transport, we used a previously published albedo-based drag partition parameterization to better represent the component of wind friction speed affecting the immediate soil sur-face. This report serves as a guide for integrating this parameterization into the Weather Research and Forecasting with Chemistry (WRF-Chem) model. We include the procedure for preprocessing the required input data, as well as the code modifications for the Air Force Weather Agency (AFWA) dust emission module. In addition, we provide an example demonstration of output data from a simulation of a dust event that occurred in the Southwestern United States, which incorporates use of the drag partition.
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Huntley, D., D. Rotheram-Clarke, R. Cocking, J. Joseph, and P. Bobrowsky. Current research on slow-moving landslides in the Thompson River valley, British Columbia (IMOU 5170 annual report). Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331175.
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Interdepartmental Memorandum of Understanding (IMOU) 5170 between Natural Resources Canada (NRCAN), the Geological Survey of Canada (GSC) and Transport Canada Innovation Centre (TC-IC) aims to gain new insight into slow-moving landslides, and the influence of climate change, through testing conventional and emerging monitoring technologies. IMOU 5107 focuses on strategically important sections of the national railway network in the Thompson River valley, British Columbia (BC), and the Assiniboine River valley along the borders of Manitoba (MN) and Saskatchewan (SK). Results of this research are applicable elsewhere in Canada (e.g., the urban-rural-industrial landscapes of the Okanagan Valley, BC), and around the world where slow-moving landslides and climate change are adversely affecting critical socio-economic infrastructure. Open File 8931 outlines landslide mapping and changedetection monitoring protocols based on the successes of IMOU 5170 and ICL-IPL Project 202 in BC. In this region, ice sheets, glaciers, permafrost, rivers and oceans, high relief, and biogeoclimatic characteristics contribute to produce distinctive rapid and slow-moving landslide assemblages that have the potential to impact railway infrastructure and operations. Bedrock and drift-covered slopes along the transportation corridors are prone to mass wasting when favourable conditions exist. In high-relief mountainous areas, rapidly moving landslides include rock and debris avalanches, rock and debris falls, debris flows and torrents, and lahars. In areas with moderate to low relief, rapid to slow mass movements include rockslides and slumps, debris or earth slides and slumps, and earth flows. Slow-moving landslides include rock glaciers, rock and soil creep, solifluction, and lateral spreads in bedrock and surficial deposits. Research efforts lead to a better understanding of how geological conditions, extreme weather events and climate change influence landslide activity along the national railway corridor. Combining field-based landslide investigation with multi-year geospatial and in-situ time-series monitoring leads to a more resilient railway national transportation network able to meet Canada's future socioeconomic needs, while ensuring protection of the environment and resource-based communities from landslides related to extreme weather events and climate change. InSAR only measures displacement in the east-west orientation, whereas UAV and RTK-GNSS change-detection surveys capture full displacement vectors. RTK-GNSS do not provide spatial coverage, whereas InSAR and UAV surveys do. In addition, InSAR and UAV photogrammetry cannot map underwater, whereas boat-mounted bathymetric surveys reveal information on channel morphology and riverbed composition. Remote sensing datasets, consolidated in a geographic information system, capture the spatial relationships between landslide distribution and specific terrain features, at-risk infrastructure, and the environmental conditions expected to correlate with landslide incidence and magnitude. Reliable real-time monitoring solutions for critical railway infrastructure (e.g., ballast, tracks, retaining walls, tunnels, and bridges) able to withstand the harsh environmental conditions of Canada are highlighted. The provision of fundamental geoscience and baseline geospatial monitoring allows stakeholders to develop robust risk tolerance, remediation, and mitigation strategies to maintain the resilience and accessibility of critical transportation infrastructure, while also protecting the natural environment, community stakeholders, and Canadian economy. We propose a best-practice solution involving three levels of investigation to describe the form and function of the wide range of rapid and slow-moving landslides occurring across Canada that is also applicable elsewhere. Research activities for 2022 to 2025 are presented by way of conclusion.
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Hadlari, T. Geo-mapping for Energy and Minerals program: activities in the Sverdrup Basin, Canadian Arctic Islands. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/326088.
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Advancements in the establishment of the geological framework of the Sverdrup Basin resulting from the Geo-mapping for Energy and Minerals program can be grouped under the main topics of tectonostratigraphy, crosslinking of biostratigraphy and chronostratigraphy, integration of igneous records with newly refined stratigraphy, and effects of global climatic environments on hydrocarbon source rocks in geological time. New discoveries of volcanic ash beds throughout much of the Triassic stratigraphic section required new tectonic interpretations involving a magmatic arc northwest of the basin that was likely involved in the opening of the Amerasia Basin. Modern approaches to biostratigraphy calibrated by radiometric age dating of volcanic ash beds made global correlations to chronostratigraphic frameworks and tectonic models possible. Correlation of the stratigraphy and recent geochronology of the High Arctic large igneous province (HALIP) places the main pulse of mafic magmatism in a postrift setting. Finally, the depositional setting of source rocks in the Sverdrup Basin is explained in terms of oceanographic factors that are related to the global environment. All of these advancements, including hints of undefined and relatively young structural events, lead to the conclusion that the hydrocarbon potential of the Sverdrup Basin has not been fully tested by historical exploration drilling.
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Gadd, M. G., J. M. Peter, T A Fraser, and D. Layton-Matthews. Paleoredox and lithogeochemical indicators of the environment of formation and genesis of the Monster River hyper-enriched black shale showing, Yukon. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328004.
Full textAbstract:
Northern Yukon hosts occurrences of Middle Devonian hyper-enriched black shale (HEBS) Ni-Mo-Zn-platinum-group element-Au-Re mineralization, including the Monster River showing in the Ogilvie Mountains. This mineralization has been documented predominantly in the Paleozoic Richardson trough; however, the Monster River showing is atypical, occurring within the Blackstone trough, more than 200 km to the west on the southern margin of the Yukon block. The ambient paleoredox conditions of the marine water column and sediments may be primary controlling factors in HEBS formation. We use major and trace element lithogeochemistry to better understand ambient paleoenvironmental redox conditions through the application of robust redox proxies to HEBS mineralization and host rocks. Uniformly negative Ce anomalies (0.6-0.9) indicate that the water column was predominantly suboxic throughout the deposition interval, even during HEBS mineralization. Although there is a strong terrigenous influence on the rare earth element-yttrium (REE-Y) abundances of the sedimentary rocks, superchondritic Y/Ho ratios (>27) indicate that seawater contributed REE-Y to the host rocks and HEBS. High (>10) authigenic Mo/U ratios indicate that a Fe-Mn particulate shuttle operated in the water column; this is corroborated by negative Ce anomalies and high Y/Ho ratios. The data indicate that metalliferous sedimentary rocks formed by hydrogenous metal enrichment (e.g. Ni, Mo, Pt) caused by ferromanganese oxyhydroxide particulate shuttling as chemical sediments; moreover, the REE- and Mo-based paleoenvironmental indicators suggest a complexly redox-stratified depositional environment with an abundant supply of metals, metalloids, and sulfur.
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Salcido, Charles, Patrick Wilson, Justin Tweet, Blake McCan, Clint Boyd, and Vincent Santucci. Theodore Roosevelt National Park: Paleontological resource inventory (public version). National Park Service, May 2022. http://dx.doi.org/10.36967/nrr-2293509.
Full textAbstract:
Theodore Roosevelt National Park (THRO) in western North Dakota was established for its historical connections with President Theodore Roosevelt. It contains not only historical and cultural resources, but abundant natural resources as well. Among these is one of the best geological and paleontological records of the Paleocene Epoch (66 to 56 million years ago) of any park in the National Park System. The Paleocene Epoch is of great scientific interest due to the great mass extinction that occurred at its opening (the Cretaceous–Paleogene extinction event), and the unusual climatic event that began at the end of the epoch (the Paleocene–Eocene Thermal Maximum, an anomalous global temperature spike). It is during the Paleocene that mammals began to diversify and move into the large-bodied niches vacated by dinosaurs. The rocks exposed at THRO preserve the latter part of the Paleocene, when mammals were proliferating and crocodiles were the largest predators. Western North Dakota was warmer and wetter with swampy forests; today these are preserved as the “petrified forests” that are one of THRO’s notable features. Despite abundant fossil resources, THRO has not historically been a scene of significant paleontological exploration. For example, the fossil forests have only had one published scientific description, and that report focused on the associated paleosols (“fossil soils”). The widespread petrified wood of the area has been known since at least the 19th century and was considered significant enough to be a tourist draw in the decades leading up to the establishment of THRO in 1947. Paleontologists occasionally collected and described fossil specimens from the park over the next few decades, but the true extent of paleontological resources was not realized until a joint North Dakota Geological Survey–NPS investigation under John Hoganson and Johnathan Campbell between 1994–1996. This survey uncovered 400 paleontological localities within the park representing a variety of plant, invertebrate, vertebrate, and trace fossils. Limited investigation and occasional collection of noteworthy specimens took place over the next two decades. In 2020, a new two-year initiative to further document the park’s paleontological resources began. This inventory, which was the basis for this report, identified another 158 fossil localities, some yielding taxa not recorded by the previous survey. Additional specimens were collected from the surface, among them a partial skeleton of a choristodere (an extinct aquatic reptile), dental material of two mammal taxa not previously recorded at THRO, and the first bird track found at the park. The inventory also provided an assessment of an area scheduled for ground-disturbing maintenance. This inventory is intended to inform future paleontological resource research, management, protection, and interpretation at THRO. THRO’s bedrock geology is dominated by two Paleocene rock formations: the Bullion Creek Formation and the overlying Sentinel Butte Formation of the Fort Union Group. Weathering of these formations has produced the distinctive banded badlands seen in THRO today. These two formations were deposited under very different conditions than the current conditions of western North Dakota. In the Paleocene, the region was warm and wet, with a landscape dominated by swamps, lakes, and rivers. Great forests now represented by petrified wood grew throughout the area. Freshwater mollusks, fish, amphibians (including giant salamanders), turtles, choristoderes, and crocodilians abounded in the ancient wetlands, while a variety of mammals representing either extinct lineages or the early forebearers of modern groups inhabited the land. There is little representation of the next 56 million years at THRO. The only evidence we have of events in the park for most of these millions of years is isolated Neogene lag deposits and terrace gravel. Quaternary surficial deposits have yielded a few fossils...
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Elmore, R. D., and M. H. Engel. A study of hydrocarbon migration events: Development and application of new methods for constraining the time of migration and an assessment of rock-fluid interactions. Final report, September 9, 1993--August 31, 1996. Office of Scientific and Technical Information (OSTI), December 1996. http://dx.doi.org/10.2172/548638.
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Elmore, R. D., and M. H. Engel. A study of hydrocarbon migration events: Development and application of new methods for constraining the time of migration and an assessment of rock-fluid interactions. Final report, September 1, 1991--August 31, 1994. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/677081.
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Bécu, V., M. G. Houlé, V. J. McNicoll, X. M. Yang, and H P Gilbert. New insights from textural, petrographic, and geochemical investigation of the gabbroic rocks of the Bird River intrusive event within the Bird River greenstone belt, southeastern Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/296133.
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