Tesis sobre el tema "Floods"
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Thieken, Annegret Henriette. "Floods, flood losses and flood risk management in Germany". Thesis, Universität Potsdam, 2009. http://opus.kobv.de/ubp/volltexte/2009/2916/.
Texto completoThis thesis deals with different aspects of flood risk in Germany. In twelve papers new scientific findings about flood hazards, factors that influence flood losses as well as effective private precautionary measures are presented. The seasonal distribution of flooding is shown for the whole of Germany. Furthermore, possible impacts of climate change on discharge and flood frequencies are estimated for the catchment of the river Rhine. Moreover, it is simulated at reaches of the Lower Rhine, which effects may result from levee breaches. Flood losses are the focus of the second part of the thesis: After the flood in August 2002 approximately 1700 households were interviewed by telephone. By this, it was possible to quantify the influence of different factors such as flood duration or the contamination of the flood water with oil on the extent of financial flood damage. On this basis, a new model was derived, by which flood losses can be calculated on a large scale. On the other hand, it was possible to derive recommendations for the improvement of private precaution. For example, the analysis revealed that insured households were compensated more quickly and to a better degree than uninsured. It became also clear that different groups like tenants and homeowners have different capabilities of performing precaution. This is to be considered in future risk communication. In 2005 and 2006, the rivers Elbe and Danube were again affected by flooding. A renewed pool among households and public authorities enabled us to investigate the improvement of flood risk management and the precaution in the City of Dresden. Several methods and finding of this thesis are applicable for water resources management issues and contribute to an improvement of flood risk analysis and management in Germany.
Bagwell, Anne Marina. "A synoptically guided approach to determining suburbanization's impacts on the hydrology of the Red and White Clay Creeks, Pennsylvania and Delaware /". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 169 p, 2008. http://proquest.umi.com/pqdweb?did=1459905411&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Texto completoCook, Brian Robert. "Knowledges, controversies and floods : national-scale flood management in Bangladesh". Thesis, Durham University, 2010. http://etheses.dur.ac.uk/371/.
Texto completoBauer, Donald R. "Floods to Floodwalls in Newport, Kentucky: 1884-1951". Xavier University / OhioLINK, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=xavier1274982457.
Texto completoO'Hara, M. "Floods, flood damage and flood risk assessment in tropical environments : A Jamaican case study". Thesis, University of Exeter, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.232974.
Texto completoO'Mara, Kaitlyn M. "The Effects of Floods on Estuarine Fisheries and Food Webs". Thesis, Griffith University, 2020. http://hdl.handle.net/10072/391521.
Texto completoThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Environment and Sc
Science, Environment, Engineering and Technology
Full Text
Medley, Erica. "Ancient Cataclysmic Floods in the Pacific Northwest: Ancestors to the Missoula Floods". PDXScholar, 2012. https://pdxscholar.library.pdx.edu/open_access_etds/581.
Texto completoGuinea, Barrientos Héctor Estuardo. "Institutional Aspects of Integrated Flood Management in Guatemala". Doctoral thesis, Uppsala universitet, Institutionen för geovetenskaper, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-234303.
Texto completoWest, Tracy L. "Flood mitigation and response comparing the Great Midwest Floods of 1993 and 2008". Thesis, Monterey, California. Naval Postgraduate School, 2010. http://hdl.handle.net/10945/4962.
Texto completoFloods are the nation's greatest natural disaster. According to the U.S. Geological Survey, floods cause an average of $6 billion of property damage, claim 140 lives, and prompt more Presidential disaster declarations per year than any other hazard. The Federal Emergency Management Agency (FEMA) is the lead for federal response to natural disasters. FEMA was the lead agency in 1993 when floods caused an estimated $1 8 billion in damage in the Midwest. The scope and damages of this historic disaster led FEMA to change its approach to floodplain management, flood protection, flood mitigation, disaster response, and recovery. FEMA and federal emergency response further evolved following the terrorist attacks on September 11, 2001 and Hurricane Katrina in 2005. The latest changes resulted in a national response framework for all levels of government to prepare and respond to all natural and manmade hazards. In 2008, the Midwest experienced its second "500-year flood" in fifteen years. This thesis examines whether changes to national disaster response and investments in flood mitigation over the last fifteen years have improved preparation, protection, and response capabilities at the federal, state, and local levels.
Evatt, Geoffey William. "Jokulhlaups and sub-glacial floods". Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496870.
Texto completoMichelson, Katelyn Rachel. "Examining the Spatial Characteristics of Pluvial Flooding Through Citizen Science in Portland, Oregon". PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4548.
Texto completoDietz, Brian C. "Some new approaches to measuring willingness to pay : a case study of flood risk reduction in Roanoke, Virginia /". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12232009-020407/.
Texto completoKhan, Imran. "Towards Sustainable Flood Management in upper Sindh, Pakistan : A case study of District Sukkur". Thesis, Mittuniversitetet, Avdelningen för ekoteknik och hållbart byggande, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-19553.
Texto completoDeutsch, Mathias. "Untersuchungen zu Hochwasserschutzmassnahmen an der Unstrut (1500-1900)". Göttingen : Goltze, 2007. http://catalog.hathitrust.org/api/volumes/oclc/175651941.html.
Texto completoGul, Marium. "Mitigating floods : reconstructing Lives : rehabilitating Thatta". Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65548.
Texto completoPage 87 blank. Cataloged from PDF version of thesis.
Includes bibliographical references (p. 82-86).
Pakistan was struck by floods in July 2010, the effects of which left 20.36 million people affected and 1.9 million homes damaged or destroyed'. In the province of Sindh in Pakistan, most of the affected population of the historic city of Thatta took refuge by fleeing to Makli Hill, a necropolis with mausoleums dating as far back as 1352A.D. The capital of three successive dynasties Thatta is famed for its cultural heritage and Makli Hill. Some four hundred thousand flood victims camped out on the hill most lacking any form of shelter. This thesis develops a framework for refugee camps and resettlement strategies that respond to and integrate the migratory trends of deltaic communities in the case of a flood event in an area with great cultural heritage. Taking into account different scenarios of flood disasters and recovery it aims to present an incremental, sustainable and transitional shelter program that local populations residing in flood prone areas of the Indus deltaic region of Thatta District can adopt in order to mitigate the effect of floods and hence reduce risk and vulnerability. The case of the Indus delta is particularly interesting because it requires a combined design strategy for the local phenomena of natural hazards and the global issue of climate change. The geographical importance of the site has been analyzed with respect to surrounding communities and primarily areas of relatively higher elevation, heterogeneous soil and water resources, and concentrated cultural heritage. The urban development of Makli Hill because of its geographic location and topographical characteristics is a highly likely and viable one as can be concluded from the transformation of Makli Hill to a site of refuge when floods affected the region. The thesis concludes with the proposal of the developmental growth of villages through small scale local productive landscapes so that communities can be partially self-sufficient and sustainable especially in times of flooding. The project is conceptualized in Thatta as a model approach that is transitional in nature and may be adapted by low-income communities residing in vulnerable locations in other deltaic/coastal regions in Pakistan, and wherever there is a conjunction of natural hazards, cultural heritage, and safe building opportunities worldwide.
by Marium Gul.
S.M.
Haddad, Khaled. "Design flood estimation for ungauged catchments in Victoria : ordinary and generalised least squares methods compared". Thesis, View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/30369.
Texto completoKamwi, Innocent Silibelo. "Fitting extreme value distributions to the Zambezi river flood water levels recorded at Katima Mulilo in Namibia". Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&.
Texto completoMarks, Daniel. "An Urban Political Ecology of the 2011 Bangkok Floods". Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15749.
Texto completoStorck, Pascal. "Trees, snow, and flooding : an investigation of forest canopy effects on snow accumulation and melt at the plot and watershed scales in the Pacific Northwest /". Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/10103.
Texto completoHaddad, Khaled. "Design flood estimation for ungauged catchments in Victoria ordinary & generalised least squares methods compared /". View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/30369.
Texto completoA thesis submitted towards the degree of Master of Engineering (Honours) in the University of Western Sydney, College of Health and Science, School of Engineering. Includes bibliographical references.
Rathburn, Sara L. "Pleistocene glacial outburst flooding along the Big Lost River, east-central Idaho". Thesis, The University of Arizona, 1989. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0127_sip1_w.pdf&type=application/pdf.
Texto completoOrchard, Kenneth Lynn. "Paleoflood hydrology of the San Juan River, southeastern Utah, USA". Thesis, The University of Arizona, 2001. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0025_m_sip1_w.pdf&type=application/pdf.
Texto completoCollins, Adrian Loric. "The use of composite fingerprints for tracing the source of suspended sediment in river basins". Thesis, University of Exeter, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307312.
Texto completoVafeidis, Anthanasios. "Regional estimation of post-fire erosion using remote sensing and GIS : an example from Greece". Thesis, King's College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248186.
Texto completoHofer, Thomas. "Floods in Bangladesh : a highland-lowland interactions ? /". Berne : University of Berne Institute of Geography, 1998. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.
Texto completoDíaz, Loaiza Manuel Andrés. "Drought and flash floods risk assessment methodology". Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/325143.
Texto completoLes inundacions i les sequeres són alguns dels desastres més catastròfics per a la humanitat, promitjant anualment al voltant d'1 a 5 x 10³ milions de dòlars i 6 a 8 x 10³ milions de dòlars en pèrdues econòmiques respectivament. Per combatre aquests fenòmens, la ciència de la "gestió del riscs" ha anat desenvolupant al llarg dels últims anys, permetent-nos quantificar el risc i els possibles beneficis en el cas que algunes mesures siguin implementades (tals com mesures de mitigació/adaptació etc.). En el present document es presenta una metodologia per a la quantificació del risc considerant la implementació de mesures no-estructurals (NSM). Així mateix, es va desenvolupar una anàlisi d'incertesa per identificar les fonts de variància sobre els resultats en el càlcul del risc. Amb l'indicador EAD (Expected Annual Damage), es va realitzar una anàlisi per determinar el període de tornada òptima en el disseny de mesures estructurals, com a resultat del mateix, es proposa un nou indicador: l "Optimal Expected Annual Damage" (OEAD). En el present document s'exposen els resultats per a la quantificació del risc pluvial. Aquests resultats inclouen mesures estructurals i no-estructurals d'acord amb la metodologia desenvolupada per a la conca d'Arenys de Munt a Catalunya-Espanya. Per incloure en el càlcul del risc a les mesures no-estructurals, es van desenvolupar coeficients de mitigació els quals són explicats dins de la metodologia. Igualment, es defineixen els passos a seguir per a l'optimització en la implementació d'aquestes mesures. En aquesta investigació, s'il·lustra que les pèrdues potencials econòmiques disminueixen si una mesura estructural és implementada (canalització per Box Culvert de 14 M€), des de 6.6 M€ a 3 M€ (T=500 anys), i si s'implementen mesures no-estructurals en combinació amb la mesura estructural, les pèrdues potencials poden disminuir-se fins a 0.7 M€ per al període de tornada de 500 anys. Sobre les pèrdues potencials de vides humanes, la mitigació obtinguda segueix el mateix comportament que les pèrdues potencials econòmiques, disminuint des d'11 possibles víctimes a 8 amb la mesura estructural i a 2 en combinació amb la mesura no estructural. Pel fenomen de la sequera, es va desenvolupar una metodologia per relacionar la "Sequera Meteorològica" amb les pèrdues potencials econòmiques en cultius de secà. En la mateixa, es proposa un mètode per a la quantificació de la perillositat (mitjançant els índexs de Palmer) i la vulnerabilitat. La susceptibilitat d'un cultiu de secà a un esdeveniment de sequera (vulnerabilitat) es va relacionar fent una classificació d'acord a dos estats fenològics: l'època de sembra i de recol·lecció. El cas d'estudi es va enfocar a la conca del riu Llobregat-Espanya, de la qual es va disposar d'informació hidrometeorològica i de les estadístiques de producció de diferents tipus de cultius de secà. De l'anàlisi realitzada sobre la conca, es va observar que al llarg dels 16 anys d'estadístiques en els cultius, van ocórrer dos períodes importants de sequera (2000/2001 i 2005/2006). Aquests períodes de sequera van deixar respectivament pèrdues potencials econòmiques d'aproximadament 40.13 M€ i 55.84 M€ per a les comarques associades a la conca del riu Llobregat. La metodologia desenvolupada, demostra eficàcia en la detecció d'esdeveniments importants de sequera, així mateix, il·lustra una coherència en la quantificació de les pèrdues individuals en els tipus de cultiu, en les que cultius com l'oliva (classificat com a cultiu llenyós), demostra més resistència a la sequera respecte a altres cultius com l'enciam, tomàquets etc.. Finalment, com a complement a la metodologia desenvolupada, es proposa a les corbes de pèrdua d'eficiència de cultiu, com a indicadors per a la gestió del risc de sequeres en cultius de secà.
Melone, Anthony Michael. "Extreme floods in the Pacific coastal region". Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/27143.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Sun, Hongyong. "Investigation of flood probability and regionalization". Ohio : Ohio University, 1992. http://www.ohiolink.edu/etd/view.cgi?ohiou1173275342.
Texto completoGaume, Eric. "Eĺéments d'analyse sur les crues éclair". Paris, ENGREF, 2002. https://pastel.archives-ouvertes.fr/pastel-00002654.
Texto completoFlash floods (i. E. Floods produced by severe thunderstorms of limited areal extent) are certainly the most destructive natural hazard in France. They also give rise to numerous questions but no systematic studies have been conducted in the past on such events. In the first part of this document, a post flood investigation methodology is proposed and tested on five case studies. The first results obtained are hopeful and reveal some original aspects of the rainfall-runoff relationship during flash floods : 1) the watershed response to the intense storm bursts is late and relatively sudden, 2) a large amount of rainwater (150 to 200 millimeters in the present case studies) is retained on the catchments and does not contribute to the flood flow, 3) no significant effects of the land use type could be identified. The second part of the document, is devoted to the theoretical analysis of the flood peak distributions. The potential of the so called derived distribution methods consisting in coupling a stochastic rainfall simulator and a mathematical ``rainfall-runoff'' model is assessed. It appears that, due to the properties of the ``rainfall-runoff'' process, flood peak distributions (FPD) belong most probably to none of the three extreme value distibution types. The asymptotic behaviour of the FPD is controlled by the maximum rainfall intensities measured over a duration characteristic of the studied watershed
Khondaker, Mohammad S. "Perception of and response to floods in Bangladesh". Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277489.
Texto completoWalfish, Michael Howard. "Defending networked resources against floods of unwelcome requests". Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/43054.
Texto completoIncludes bibliographical references (p. 172-189).
The Internet is afflicted by "unwelcome requests'" defined broadly as spurious claims on scarce resources. For example, the CPU and other resources at a server are targets of denial-of-service (DOS) attacks. Another example is spam (i.e., unsolicited bulk email); here, the resource is human attention. Absent any defense, a very small number of attackers can claim a very large fraction of the scarce resources. Traditional responses identify "bad" requests based on content (for example, spam filters analyze email text and embedded URLs). We argue that such approaches are inherently gameable because motivated attackers can make "bad" requests look "good". Instead, defenses should aim to allocate resources proportionally (so if lo% of the requesters are "bad", they should be limited to lo% of the scarce resources). To meet this goal, we present the design, implementation, analysis, and experimental evaluation of two systems. The first, speak-up, defends servers against application-level denial-of-service by encouraging all clients to automatically send more traffic. The "good" clients can thereby compete equally with the "bad" ones. Experiments with an implementation of speak-up indicate that it allocates a server's resources in rough proportion to clients' upload bandwidths, which is the intended result. The second system, DQE, controls spam with per-sender email quotas. Under DQE, senders attach stamps to emails. Receivers communicate with a well-known, untrusted enforcer to verify that stamps are fresh and to cancel stamps to prevent reuse. The enforcer is distributed over multiple hosts and is designed to tolerate arbitrary faults in these hosts, resist various attacks, and handle hundreds of billions of messages daily (two or three million stamp checks per second). Our experimental results suggest that our implementation can meet these goals with only a few thousand PCs.
(cont) The enforcer occupies a novel design point: a set of hosts implement a simple storage abstraction but avoid neighbor maintenance, replica maintenance, and mutual trust. One connection between these systems is that DQE needs a DoS defense-and can use speak-up. We reflect on this connection, on why we apply speak-up to DoS and DQE to spam, and, more generally, on what problems call for which solutions.
by Michael Walfish.
Ph.D.
Walter, Fabian. "Seismic activity on Gornergletscher during Gornersee outburst floods /". Zürich : Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie, ETH Zürich, 2009. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000263370.
Texto completoAmponsah, William. "Stream power and geomorphic effects of flash floods". Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3426210.
Texto completoLe piene improvvise (flash flood) sono fra i processi naturali più devastanti e sono responsabili di rilevanti e subitanei effetti morfologici, nonché della perdita di vite umane e di gravi danni economici. Le piene improvvise sono caratterizzate dalla forte variabilità spazio-temporale delle precipitazioni innescanti, cui consegue una forte variabilità delle portate e della potenza della corrente. Gli effetti geomorfologici delle piene improvvise dipendono sia dal controllo che l’assetto geologico esercita sulla geometria del canale e sulle caratteristiche del sedimento, sia dall’intensità della piena. Gli effetti geomorfologici delle piene improvvise si manifestano attraverso processi sia erosivi che deposizionali che determinano variazioni nell’assetto del canale rispetto alle condizioni antecedenti l’evento. La questione centrale di questa tesi è valutare perché piene improvvise di simile intensità producano talvolta effetti morfologici nettamente differenti. L’uso dei valori istantanei massimi di variabili di tipo idraulico, quali la portata, la velocità, lo sforzo tangenziale e la potenza della corrente, si è spesso rivelato non conclusivo nel quantificare i cambiamenti morfologici. Questa tesi mira a studiare come fattori quali la geometria del canale, il substrato, l’intensità e la durata dell’evento possano interagire e influenzare l’azione morfologia delle piene improvvise. Un’analisi combinata, basata rilievi post-evento e sulla modellazione idrologica, ha consentito di caratterizzare sette importanti eventi di piena improvvisa verificatisi fra il 2007 e il 2014 in diverse regioni dell’Europa centrale e meridionale. Nei bacini mediterranei gli elevati valori delle portate di picco, uniti alla durata relativamente lunga degli eventi, hanno determinato le condizioni favorevoli a significativi impatti geomorfologici. I valori della potenza della corrente sono generalmente coerenti con i cambiamenti morfologici osservati. Inoltre, i canali in roccia mostrano i valori di dispendio energetico più elevati ma senza erosioni apprezzabili, mente ingenti fenomeni di erosione sono stati osservati in canali alluvionali. Gli andamenti dei processi geomorfologici nei canali semi alluvionali richiedono il riconoscimento di situazioni locali che aumentano la resistenza del letto del canale e delle sponde all’erosione, o di condizioni specifiche di un particolare evento. Piene di breve durata causano talvolta abbondante trasporto solido, peraltro non associato a significativi allargamenti del canale nella maggior parte degli alvei semi-alluvionali. Otto corsi d’acqua, individuati fra quelli maggiormente interessati da tre delle piene studiate sono stati scelti per ulteriori analisi e per la modellazione della variazione longitudinale dei valori della potenza della corrente. Funzioni di potenza interpretano adeguatamente l’aumento verso valle delle portate di picco, mentre funzioni quadratiche si sono dimostrate più soddisfacenti delle relazioni esponenziali comunemente utilizzate per rappresentare la variazione longitudinale della pendenza dell’alveo. Le prestazioni dei modelli empirici per la variazione longitudinale della potenza della corrente per unità di larghezza dell’alveo (unit stream power) evidenziano il fondamentale controllo esercitato dalla pendenza dell’alveo. La disponibilità di immagini satellitari ad elevata risoluzione riprese prima e dopo gli eventi oggetto di studio ha permesso di valutare le modifiche del canale lungo sette di questi canali. Analisi statistiche hanno indicato che le sole variabili idrauliche non sono sufficienti per interpretare il tasso di allargamento del canale, che è principalmente influenzato dal grado di confinamento del canale stesso. Insieme al confinamento laterale, la potenza della corrente per unità di larghezza dell’alveo appare un valido predittore dell’allargamento in alvei ad elevata pendenza, mentre l’energia complessiva della corrente calcolata per l’intero evento fornisce prestazioni migliori nell’interpretare la variabilità dell’allargamento dell’alveo in canali a pendenza moderata. L'uso di differenti soglie di resistenza all’erosione per quantificare i cambiamenti geomorfologici degli alvei supporta la conclusione che la determinazione di tali cambiamenti è molto più difficile della determinazione delle variabili idrauliche coinvolte.
Smyth, Kenneth Jeffrey. "Debris torrent mechanisms". Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26739.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Ghorpade, Yashodhan. "Essays on household behaviour at the intersection of conflict and natural disasters : the 2010 floods in Pakistan". Thesis, University of Sussex, 2016. http://sro.sussex.ac.uk/id/eprint/61367/.
Texto completoZamora-Reyes, Diana. "Relevance of Flood Heterogeneity to Flood Frequency in Arizona". Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/347093.
Texto completoRossman, Edwin J. (Edwin John). "Individual Resources, Social Environment, and Flood Victimization". Thesis, University of North Texas, 1990. https://digital.library.unt.edu/ark:/67531/metadc330855/.
Texto completoMohammed, Abdel-Fattah Sayed Soliman. "Integrated Hydro-geomorphological Approach to Flash Flood Risk Assessment and Mitigation Strategies in Wadi Systems". Kyoto University, 2017. http://hdl.handle.net/2433/227604.
Texto completoWAI, THWE AUNG. "DEVELOPMENT OF FUNDAMENTAL THEORY ON UNSTEADY OPEN CHANNEL FLOWS". Kyoto University, 2019. http://hdl.handle.net/2433/244536.
Texto completoPandey, Ganesh Raj. "Regional estimation of floods and rainfalls for ungauged sites". Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40219.
Texto completoThe second part of the research deals with the estimation of floods at an ungauged site using regional physiographic and climatic variables. To this end, a detailed study was carried out to determine the best technique for estimating the parameters of the commonly used power-form flood regionalization model, and to identify the minimum number of physiographic and hydrometeorological variables which should be included in the model. The study was further elaborated by applying the linear and nonlinear covariance structural models. Results of a numerical example using hydrologic data from Quebec and Ontario have indicated the superior performance of the nonlinear optimization method. Further, it was found that the significant variables which should be considered in the estimation of floods, are the area of the basin, the basin slope and the total precipitation five days before the flood for Quebec, and the area of the basin, the area of forests, lakes, and marses and the slope of the main channel for Ontario.
The third part of the study proposed a new method of flood estimation based on the scaling of the statistical moments of the regional flood series with the basin area. Analysis of the physiographic and hydrologic data from Quebec and Ontario showed that the non-central moments of order from one to six are scaling with the basin area. This empirical evidence was used in defining the hydrologically similar basins (i.e., homogeneous flood regions), and in selecting a suitable regional distribution function for the estimation of flood quantiles. It was observed that the grouping of homogeneous basins as proposed in this study formed well-defined geographical regions with distinct climatic characteristics. Further, it was recommended that the selection of regional probability distribution and the corresponding parameter estimation method should be made such that the scaling properties of the flood series were preserved. The improved estimates of the statistical moments and flood quantiles for unguaged sites have indicated the superiority of the proposed approach as compared to those values given by existing methods.
Thomas, Sara. "Experimental design and scale-up methods for micellar floods". Thesis, University of Birmingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420520.
Texto completoRoberts, Matthew James. "Controls on supraglacial outlet development during glacial outburst floods". Thesis, Staffordshire University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392999.
Texto completoAlbright, Lydia T. "Hydraulic Modeling of Floods in an Open Conduit Cave". Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1596647829960682.
Texto completoKrauch, Amy Lynn. "Hazards assessment of St. Charles County - earthquakes and floods". Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/Krauch_09007dcc805e91c0.pdf.
Texto completoVita. The entire thesis text is included in file. Appendixes B and C are on files. Title from title screen of thesis/dissertation PDF file (viewed January 21, 2009) Includes bibliographical references (p. 152-159) and appendixes.
Maia, Diego Corrêa [UNESP]. "Impactos pluviais na área urbana de Ribeirão Preto - SP". Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/104327.
Texto completoConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Nos últimos 15 anos as enchentes e a densidade demográfica de Ribeirão Preto aumentaram consideravelmente. As inundações em Ribeirão Preto são presentes na área urbana desde o início do século XX. As notícias de jornal veiculadas pela Folha Nordeste - SP e Folha Ribeirão, na ausência de dados climáticos e históricos sobre as enchentes, demonstraram ser uma fonte valiosa na análise dos impactos pluviais na área urbana de Ribeirão Preto. A análise das matérias demonstrou que as enchentes são veiculadas quando existe um grande prejuízo à população, como alagamento de casas e lojas, desaparecimento de pessoas, falta de transporte, queda de árvores e de energia elétrica etc. Em 2002 houve uma grande enchente, deixando Ribeirão Preto embaixo d'água, sob estado de calamidade pública. Em 17 anos de análise dos episódios de inundação na área urbana de Ribeirão Preto, conforme noticiado pelos jornais, mostram 45 ocorrências, ou seja, em média cerca de 3 inundações/ano, o que revela grande frequência do fenômeno. Os índices mostram que praticamente todo ano, entre os meses de outubro a março, têm-se enchentes na área urbana, com saldo de grandes prejuízos à população. De 1990 a 2006 existe uma tendência de aumento nas inundações na área urbana Ribeirão Preto, sendo que, na década de 90, do século XX, ocorreram 20 inundações e, nos 6 primeiros anos do século XXI, presenciou-se 24 inundações, ou seja, um aumento de 20%. Das 43 inundações ocorridas, foram descobertos 26 pontos de inundação, com destaque para duas regiões: a Vila Virgínia e a baixada, região comercial que se situa o mercado municipal, a rodoviária e o camelódromo. Com relação ao período diário da incidência das inundações, elas ocorrem, predominantemente, após o meio-dia. Em todas as enchentes ocorridas no período da análise, a circulação...
In the last 15 years, the floods and the demographic density in Ribeirão Preto municipality have considerably increased. Inundations in Ribeirão Preto municipality are present in the urban area since the beginning of the 20th century. Articles presented in Folha Nordeste-SP and Folha Ribeirão newspapers, in the absence of climatic and historical data about the floods, seemed to be a valuable source in the analysis of the pluvial impacts in Ribeirão Preto urban area. The analysis of the newspaper articles demonstrated that floods are presented in the media when there is a great damage to the population, such as houses inundations, people disappearance, lack of transportation, tree and electricity fall, etc. In 2002 there was a great flood in the city, leaving Ribeirão Preto under water and in public calamity state. The analysis of flood episodes in the Ribeirão Preto urban area, in 17 years, according to the articles presented by the newspapers, showed 45 occurrences, in other words, an average of 3 floods/year, which reveals a great frequency of this phenomenon. The indices show that almost during all the year, between October and March, there are floods in the urban are, with great damage to the population. From 1990 to 2006 there is an increasing tendency in the floods occurrence in Ribeirão Preto urban area, since that in the 90s decade of the 20th century, there were 20 inundations and in the first six years of the 21st century, there were 24 floods, in other words, an increase of 20%. From the 43 flood occurrences, 26 inundation sites were discovered, highlighting two regions: Virginia Village and a low area where it is situated the municipal market, the bus station and an informal commercial center (camelódromo). In relation to the daily period of flood incidence, they occur, mainly, after noon. In all the floods that occurred... (Complete abstract click electronic access below)
Cloud, Kimberly C. "Changes and trends in streamflow during floods and droughts in the urbanizing Christina River Basin". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 131 p, 2007. http://proquest.umi.com/pqdweb?did=1397904211&sid=9&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Texto completoMaia, Diego Corrêa. "Impactos pluviais na área urbana de Ribeirão Preto - SP /". Rio Claro : [s.n.], 2007. http://hdl.handle.net/11449/104327.
Texto completoBanca: Antonio Carlos Tavares
Banca: Anderson Luis Hebling Christofoletti
Banca: Deise Fabiana Ely
Banca: Francisco Arthur Silva Vecchia
Resumo: Nos últimos 15 anos as enchentes e a densidade demográfica de Ribeirão Preto aumentaram consideravelmente. As inundações em Ribeirão Preto são presentes na área urbana desde o início do século XX. As notícias de jornal veiculadas pela Folha Nordeste - SP e Folha Ribeirão, na ausência de dados climáticos e históricos sobre as enchentes, demonstraram ser uma fonte valiosa na análise dos impactos pluviais na área urbana de Ribeirão Preto. A análise das matérias demonstrou que as enchentes são veiculadas quando existe um grande prejuízo à população, como alagamento de casas e lojas, desaparecimento de pessoas, falta de transporte, queda de árvores e de energia elétrica etc. Em 2002 houve uma grande enchente, deixando Ribeirão Preto embaixo d'água, sob estado de calamidade pública. Em 17 anos de análise dos episódios de inundação na área urbana de Ribeirão Preto, conforme noticiado pelos jornais, mostram 45 ocorrências, ou seja, em média cerca de 3 inundações/ano, o que revela grande frequência do fenômeno. Os índices mostram que praticamente todo ano, entre os meses de outubro a março, têm-se enchentes na área urbana, com saldo de grandes prejuízos à população. De 1990 a 2006 existe uma tendência de aumento nas inundações na área urbana Ribeirão Preto, sendo que, na década de 90, do século XX, ocorreram 20 inundações e, nos 6 primeiros anos do século XXI, presenciou-se 24 inundações, ou seja, um aumento de 20%. Das 43 inundações ocorridas, foram descobertos 26 pontos de inundação, com destaque para duas regiões: a Vila Virgínia e a baixada, região comercial que se situa o mercado municipal, a rodoviária e o camelódromo. Com relação ao período diário da incidência das inundações, elas ocorrem, predominantemente, após o meio-dia. Em todas as enchentes ocorridas no período da análise, a circulação... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: In the last 15 years, the floods and the demographic density in Ribeirão Preto municipality have considerably increased. Inundations in Ribeirão Preto municipality are present in the urban area since the beginning of the 20th century. Articles presented in Folha Nordeste-SP and Folha Ribeirão newspapers, in the absence of climatic and historical data about the floods, seemed to be a valuable source in the analysis of the pluvial impacts in Ribeirão Preto urban area. The analysis of the newspaper articles demonstrated that floods are presented in the media when there is a great damage to the population, such as houses inundations, people disappearance, lack of transportation, tree and electricity fall, etc. In 2002 there was a great flood in the city, leaving Ribeirão Preto under water and in public calamity state. The analysis of flood episodes in the Ribeirão Preto urban area, in 17 years, according to the articles presented by the newspapers, showed 45 occurrences, in other words, an average of 3 floods/year, which reveals a great frequency of this phenomenon. The indices show that almost during all the year, between October and March, there are floods in the urban are, with great damage to the population. From 1990 to 2006 there is an increasing tendency in the floods occurrence in Ribeirão Preto urban area, since that in the 90s decade of the 20th century, there were 20 inundations and in the first six years of the 21st century, there were 24 floods, in other words, an increase of 20%. From the 43 flood occurrences, 26 inundation sites were discovered, highlighting two regions: Virginia Village and a low area where it is situated the municipal market, the bus station and an informal commercial center (camelódromo). In relation to the daily period of flood incidence, they occur, mainly, after noon. In all the floods that occurred... (Complete abstract click electronic access below)
Doutor
Wohl, Ellen Eva. "Northern Australian paleofloods as paleoclimatic indicators". Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184418.
Texto completoHouse, Peter Kyle. "Reports on applied paleoflood hydrological investigations in western and central Arizona". Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/191206.
Texto completoDesilets, Sharon. "Flood Processes in Semi-arid Streams: Sediment Transport, Flood Routing, and Groundwater - Surface Water Interactions". Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/195652.
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