Bibliografie tematiche / Southern Vosges

Letteratura scientifica selezionata sul tema "Southern Vosges"

Autore: Grafiati

Pubblicato: 22 giugno 2024

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Articoli di riviste sul tema "Southern Vosges":

Maass, Rudolf. "The Southern Vosges in Variscan time". Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 1988, n. 10 (17 novembre 1988): 611–38. http://dx.doi.org/10.1127/njgpm/1988/1988/611.

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Guillot, François, Olivier Averbuch, Michel Dubois, Cyril Durand, Pierre Lanari e Arnaud Gauthier. "Zircon age of vaugnerite intrusives from the Central and Southern Vosges crystalline massif (E France): contribution to the geodynamics of the European Variscan belt". BSGF - Earth Sciences Bulletin 191 (2020): 26. http://dx.doi.org/10.1051/bsgf/2020027.

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To provide a better picture of the active geodynamics along the Variscan suture zones during the late collisional stage (particularly regarding the evolution of the orogenic system towards HT conditions), we focused here on vaugnerites, which consist of mafic ultra-potassic magmatic rocks, intrusive into the granite-gneiss sequences of the Variscan Vosges crystalline massif. Those rocks, though subordinate in volume, are frequently associated with late-collisional granites. In the Central-Southern Vosges, they appear either as (1) pluton margin of the Southern Vosges Ballons granite complex or (2) composite dykes intrusive into migmatite and metamorphic sequences classically referred to as granite-gneiss unit (Central Vosges). Both types correspond to melanocratic rocks with prominent, Mg-rich, biotite and hornblende (20–40% vol., 64 < mg# < 78), two-feldspar and quartz. Those Vosges vaugnerites display geochemical signatures characteristic of ultra-potassic mafic to intermediate, metaluminous to slightly peraluminous rocks. Zircon U-Pb ages were obtained by Laser Ablation Inductively Coupled Plasma Mass Spectrometry. Zircon grains were extracted from a sillimanite-bearing gneiss from the granite-gneiss unit hosting the Central Vosges vaugnerites. They yielded an age at 451 ± 9 Ma, indicating a pre-Variscan Upper Ordovician protolith for the host sequence. Zircon from the four vaugnerite intrusives display U-Pb ages (± 2σ) of 340 ± 2.5 Ma (Ballons), 340 ± 25 Ma, 340 ± 7 Ma and 336 ± 10 Ma (Central Vosges). Synchronous within uncertainty, vaugnerite age data suggest a relatively early emplacement during the Late Variscan collisional history (i.e. Middle Visean times). These results are in line with previously published ages from the Southern Vosges volcano-sedimentary sequences (Oderen-Markstein) and the nearby ultra-potassic granite complexes from the Central and Southern Vosges (Ballons, Crêtes) thereby arguing for a magmatic event of regional significance. Recent petrological studies on vaugnerites suggest that they derive from partial melting of a metasomatized mantle contaminated to some different degrees by elements of continental crust. We propose here that the major ultra-potassic magmatic pulse at 340–335 Ma is a consequence of a significant change into the dynamics of the Rhenohercynian subduction system below the Central-Southern Vosges. In the light of recent thermo-mechanical modelling experiments on mature continental collision, magmatism could result from a syn-collisional lithospheric delamination mechanism involving (1) first, continental subduction evolving towards (2) the underthrusting of the Avalonian continental margin lower crust and (3) the initiation of lithospheric delamination within the supra-subduction retro-wedge (Saxothuringian-Moldanubian continental block). This delamination would drive the emplacement of an asthenospheric upwelling, initially localized along the Variscan suture zones, and gradually propagating towards the southern front of the belt during the Late Carboniferous, as the delamination front migrated at the base of the crust.

Montenari, Michael, Ursula Leppig e Dieter Weyer. "Heterocorallia from the Early Carboniferous of the Moldanubian Southern Vosges Mountains (Alsace, France)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 224, n. 2 (24 maggio 2002): 223–54. http://dx.doi.org/10.1127/njgpa/224/2002/223.

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Krecher, Marc. "Sedimentation, tectonics and geological structure of the Southern Vosges Mountains". Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Vereins 105 (17 maggio 2023): 191–223. http://dx.doi.org/10.1127/jmogv/105/0009.

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Bichain, Jean-Michel, e Julien Ryelandt. "News from the western front: occurrence of Mediterranea depressa (Sterki, 1880) (Mollusca: Gastropoda: Oxychilidae) in the Vosges and Jura Mountains (north-eastern France)". Folia Malacologica 29, n. 4 (6 dicembre 2021): 191–203. http://dx.doi.org/10.12657/folmal.029.024.

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We report here the first record of Mediterranea depressa (Sterki, 1880) in the north-eastern quarter of France, in the Vosges and Jura massifs. After the fortuitous discovery of some shells attributed to M. depressa in the southern Vosges Mts., an extensive sampling campaign was carried out both in the Vosges and in the Jura Mts. In total, about 20 shells and seven live specimens were found at eight localities, which, according to the present state of our knowledge, represent its north-western range limit. The species was found exclusively under stones of rocky slope screes on siliceous and calcareous substrates. Some of these habitats could be described as Mesovoid Shallow Substratum. It is not clear whether the rarity of the species is an effect of under-sampling or of its small size and unusual habitat or/and to intrinsic rarity due to isolated populations at the distribution limits of the species. The extreme north-eastern quarter of France constitutes an oceanic-continental transition zone where about thirty gastropod species from Central and Eastern Europe are currently documented at the western limit of their ranges.

Gouriveau, Emilie, Pascale Ruffaldi, Loïc Duchamp, Vincent Robin, Annik Schnitzler e Anne-Véronique Walter-Simonnet. "Holocene vegetation history in the Northern Vosges Mountains (NE France): Palynological, geochemical and sedimentological data". Holocene 30, n. 6 (10 febbraio 2020): 888–904. http://dx.doi.org/10.1177/0959683620902229.

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Palynological data from the Northern Vosges Mountains (NVM) are very rare, unlike for the Southern and Central Vosges Mountains, where the past vegetation history is relatively well known. As a consequence, the beginning of human activities has never been clearly identified and dated in the NVM. In order to reconstruct the evolution of vegetation in this region, multiproxy studies (pollen, non-pollen palynomorphs, sedimentological and geochemical analyses) were conducted in two peatlands. Overall, the results, extending from about 9500 cal. BP to recent times, show a classical vegetation succession with local particularities resulting from human activities. In the La Horn peatland, a strong human impact related to pastoralism is attested from the late Bronze Age onwards. The second phase of human occupation, mainly characterized by crop cultures, begins during the Hallstatt period. The geochemical results (x-ray fluorescence) also highlight the presence of metallic elements, which, combined with significant quantities of carbonized particles, point to potential metal working. In the Kobert-Haut peatland, human occupation began much later (1500 cal. BP), but lasted from the Gallo-Roman period to the beginning of the Modern Period. Unlike for the vegetation history of the rest of the Vosges, Pinus remains a prevailing taxon throughout the Holocene in the NVM. Another particularity is the early establishment of Picea, long before the 18th to 19th century plantations.

Weckwerth, Tammy M., Lindsay J. Bennett, L. Jay Miller, Joël Van Baelen, Paolo Di Girolamo, Alan M. Blyth e Tracy J. Hertneky. "An Observational and Modeling Study of the Processes Leading to Deep, Moist Convection in Complex Terrain". Monthly Weather Review 142, n. 8 (1 agosto 2014): 2687–708. http://dx.doi.org/10.1175/mwr-d-13-00216.1.

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Abstract A case study of orographic convection initiation (CI) that occurred along the eastern slopes of the Vosges Mountains in France on 6 August 2007 during the Convective and Orographically-Induced Precipitation Study (COPS) is presented. Global positioning system (GPS) receivers and two Doppler on Wheels (DOW) mobile radars sampled the preconvective and storm environments and were respectively used to retrieve three-dimensional tomographic water vapor and wind fields. These retrieved data were supplemented with temperature, moisture, and winds from radiosondes from a site in the eastern Rhine Valley. High-resolution numerical simulations with the Weather Research and Forecasting (WRF) Model were used to further investigate the physical processes leading to convective precipitation. This unique, time-varying combination of derived water vapor and winds from observations illustrated an increase in low-level moisture and convergence between upslope easterlies and downslope westerlies along the eastern slope of the Vosges Mountains. Uplift associated with these shallow, colliding boundary layer flows eventually led to the initiation of moist convection. WRF reproduced many features of the observed complicated flow, such as cyclonic (anticyclonic) flow around the southern (northern) end of the Vosges Mountains and the east-side convergent flow below the ridgeline. The WRF simulations also illustrated spatial and temporal variability in buoyancy and the removal of the lids prior to convective development. The timing and location of CI from the WRF simulations was surprisingly close to that observed.

Bégeot, Carole. "Lateglacial and early Holocene environmental history of the southern Vosges mountains, North-East France". Quaternary International 279-280 (novembre 2012): 45. http://dx.doi.org/10.1016/j.quaint.2012.07.195.

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Faure, Michel, Eugène Be Mezeme, Alain Cocherie, Jérémie Melleton e Philippe Rossi. "The South Millevaches Middle Carboniferous crustal melting and its place in the French Variscan belt". Bulletin de la Société Géologique de France 180, n. 6 (1 ottobre 2009): 473–81. http://dx.doi.org/10.2113/gssgfbull.180.6.473.

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AbstractSeveral episodes of crustal melting are now well identified in the Variscan French Massif Central. Middle Devonian (ca 385-375 Ma) migmatites are recognized in the Upper and Lower Gneiss Units involved in the stack of nappes. Late Carboniferous migmatites (ca 300 Ma) are exposed in the Velay Massif only and Middle Carboniferous migmatites crop out in the Para-autochthonous Unit and southern Fold-and-Thrust Belt. In the SW part of the Massif Central, the South Millevaches massif exposes migmatites developed at the expense of ortho- and paragneiss. They form kilometer-sized septa within the foliated Goulles leucogranitic pluton, which is in turn intruded by the non-foliated Glény two micas granite pluton. Monazite grains extracted from these three rock-types have been dated by the EPMA chemical method. Three samples of migmatite yield a late Visean age (ca 337-328 Ma), the Goulles and Glény granitic plutons yield ages at 324-323 Ma and 324-318 Ma, respectively. These new results enlarge the evidence of a Middle Carboniferous crustal melting imprint that up to now was only reported in the eastern part of the French Massif Central, in the northern Cévennes and in the Montagne Noire axial zone. At the scale of the French Variscan massifs, the Visean crustal melting event is conspicuously developed since it is recognized from the Massif Armoricain (Vendée and south coast of Brittany) to the Central Vosges. This episode is synchronous with the huge thermal event responsible for the “Tuffs anthracifères” magmatism of the northern Massif Central and Vosges, and took place immediately after the last thickening phase recorded both in Montagne Noire and Ardennes, that is on the southern and northern outer zones of the Variscan Belt, respectively. However, the geodynamic significance of this major event is not fully understood yet.

Florineth, Duri, e Christian Schlüchter. "Alpine Evidence for Atmospheric Circulation Patterns in Europe during the Last Glacial Maximum". Quaternary Research 54, n. 3 (novembre 2000): 295–308. http://dx.doi.org/10.1006/qres.2000.2169.

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The configuration of Alpine accumulation areas during the last glacial maximum (LGM) has been reconstructed using glacial–geological mapping. The results indicate that the LGM ice surface consisted of at least three major ice domes, all located south of the principal weather divide of the Alps. This implies that the buildup of the main Alpine ice cover during oxygen isotope stage (OIS) 2 was related to precipitation by dominant southerly atmospheric circulation, in contrast to today's prevalent westerly airflow. Such a reorganization of the atmospheric circulation is consistent with a southward displacement of the Oceanic Polar Front in the North Atlantic and of the associated storm track to the south of the Alps. These results, combined with additional paleoclimate records from western and southern Europe, allow an interpretation of the asynchronous evolution of the different European ice caps during the last glaciation. δ18O stages (OIS) 4 and 3 were characterized by location of the Polar Front north of 46°N (Gulf of Biscay). This affected prevailing westerly circulation and thus, ice buildup in western Scandinavia, the Pyrénées, Vosges, and northern Alps. At the LGM, however, the Polar Front lay at ∼44°N, causing dominating southerly circulation and reduced precipitation in central and northern Europe.

Più fonti

Tesi sul tema "Southern Vosges":

Bourgeois, David. "La mine, un fait urbain ? : traces du capitalisme médiéval dans le Rhin supérieur (XIVe-XVe siècles)". Electronic Thesis or Diss., Mulhouse, 2024. http://www.theses.fr/2024MULH8915.

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Le développement de l’exploitation des mines de métaux polymétalliques non-ferreux dans la partie méridionale du massif des Vosges, à partir du XIVe siècle a considérablement transformé l’économie du Rhin supérieur. La fin de l’époque médiévale, au cours de la seconde moitié du XVe siècle voit l’accélération de ce mouvement sous l’impulsion des forces économiques du Rhin supérieur. Les marchands bâlois comptent parmi les principaux protagonistes de cet élan qui voit les puits de mines s’ouvrir des territoires Habsbourg vers le Comté de Bourgogne. Cet épisode minier est l’occasion de mettre en lumière les traces d’un capitalisme médiéval s’affirmant à Bâle, sur les bords du Rhin
The development of non-ferrous polymetallic metal mines in the southern part of the Vosges mountains, from the 14th century onwards, considerably transformed the economy of the Upper Rhine. The end of the medieval period, during the second half of the 15th century, saw the acceleration of this movement thanks to the economic strength of the Upper Rhine. Basel merchants were among the main protagonists of this momentum which saw mines opening from the Habsburg territories to the County of Burgundy. This mining episode is an opportunity to highlight the traces of medieval capitalism asserting itself in Basel, on the banks of the Rhine

Chhin, Sophan, G. Geoff Wang e Jacques Tardif. "Dendroclimatic Analysis of White Spruce at its Southern Limit of Distribution in the Spruce Woods Provincial Park, Manitoba, Canada". Tree-Ring Society, 2004. http://hdl.handle.net/10150/262614.

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We examined the radial growth - climate association of a disjunct population of white spruce (Picea glauca (Moench) Voss) at its southern limit of distribution. Forty-four white spruce tree islands were sampled over four mixed-grass prairie preserves in the Spruce Woods Provincial Park located in the forestprairie boundary of southwestern Manitoba. Reduced radial growth occurred during the 1910s, 1930s, early 1960s, and the late 1970s to the early 1980s and corresponded to periods of drought on the Canadian prairies, and the Great Plains of the United States. Correlation and response function coefficients indicated that conditions in the summer and fall of the previous year (t-1), and the summer of the current year (t) strongly influenced white spruce growth. Growth was positively correlated with August-September (t-1) and May-June-July (t) precipitation and moisture index (precipitation minus potential evapotranspiration). Radial growth was positively associated with June-July-August (t) river discharge. Growth was most correlated with maximum and mean temperature compared with minimum temperature. Precipitation and maximum temperature accounted for the greatest variation in radial growth (61%). The results suggest that white spruce growth is sensitive to climatic fluctuations because growth is restricted by moisture deficiency exacerbated by temperature-induced drought stress.

Capitoli di libri sul tema "Southern Vosges":

Probst, A., F. Lelong, D. Viville, P. Durand, B. Ambroise e B. Fritz. "Comparative Hydrochemical Behaviour and Element Budgets of the Aubure (Vosges Massif) and Mont-Lozère (Southern Massif Central) Norway Spruce Forested Catchments". In Forest Decline and Atmospheric Deposition Effects in the French Mountains, 203–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79535-0_8.

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Camus, Pablo. "Chapter 6. Study abroad in the Southern Cone". In Study Abroad and the Second Language Acquisition of Sociolinguistic Variation in Spanish, 174–201. Amsterdam: John Benjamins Publishing Company, 2023. http://dx.doi.org/10.1075/ihll.37.06cam.

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In Chile and Argentina, voseo (the pronoun vos and/or its verb forms) is used as one of the primary forms of address for the second person singular. For students who embark on a study abroad (SA) program, recognizing or using these forms can be challenging since it requires a high degree of metalinguistic awareness (Pozzi, Escalante & Quan, 2019). This SA pilot study aims to understand the (1) learning of voseo by second language (L2) learners in Argentina and Chile; (2) the nature of sojourners’ social networks; and (3) whether social networks are linked to the development of voseo. To shed light on these issues, six Spanish L2 learners were recruited after completing a semester-long SA program. Results suggest that social networks can at least partially inform the learning of voseo.

Kilian-Hatz, Christa. "Serial Verb Constructions in Khwe (Central-Khoisan)". In Serial Verb Constructions, 108–23. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780199279159.003.0004.

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Abstract Khwe is one of about forty Khoisan languages which are characterized as ‘click languages of Southern Africa’. According to Vossen and Güldemann (2000: 102), the Khoisan grouping may be subdivided into five branches: the Non-Khoe languages, the Khoe languages (better known under the term Central-Khoisan languages), the undetermined Kwadi, and finally the two isolates Hadza and Sandawe in East Africa. The language Khwe belongs to the western Kalahari subgroup of the Central-Khoisan languages. There are about 8,000 speakers of Khwe, mainly living in the Caprivi strip in northeast Namibia. Some also live in the adjoining border parts of Botswana, Zambia, and Angola. Khwe has three dialect variants. The migrations during the Liberation War of Nambia in the 1980s are now causing a strong tendency for all three dialects to merge together.

Kloeppel, Brian D., e Barton D. Clinton. "Drought Impacts on Tree Growth and Mortality of Southern Appalachian Forests". In Climate Variability and Ecosystem Response in Long-Term Ecological Research Sites. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195150599.003.0009.

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The Coweeta LTER Program represents the eastern deciduous forests of the southern Appalachian Mountains in the United States. Coweeta Hydrologic Laboratory was established in 1934 and hence has a long record of climate measurement and vegetation response to both natural and human disturbance (Swank and Crossley 1988). The general climate of the area is classified as marine humid temperate because of high moisture and mild temperatures (Critchfield 1966; Swift et al. 1988). These conditions have favored the evolution of high species diversity in organisms in the southern Appalachians at many levels. In recent years, however, Coweeta has experienced several droughts that have caused significant tree growth reduction and increased mortality rates (Swift et al. 1990; Clinton et al. 1993; Vose and Swank 1994; McNulty and Swank 1995). In this chapter, we describe the general climate and features of Coweeta as well as the impact of droughts on tree growth and mortality. The timescale of this climate variability is annual, with the potential for preexisting soil moisture conditions either providing a buffer or further exacerbating the drought conditions. Mean annual precipitation at Coweeta Hydrologic Laboratory (latitude 35º14' N, longitude 83º26' W) varies from 1798 mm at the base climate station (686 m) to 2373 mm at the high-elevation Mooney Gap climate station (1364 m). Mean annual growing season precipitation, defined as May to October, is 782 mm at the base climate station (figure 3.1). Mean annual streamflow from watershed 18, a low-elevation reference watershed, is 1011 mm or 56% of precipitation (figure 3.1). Short-duration thundershowers at Coweeta are typical for midsummer and fall with occurrences of large rainfalls stimulated by tropical disturbances near the Atlantic or Gulf coasts. Forty-nine percent of the 133 storms each year have a total precipitation amount less than 5 mm, and 69% of the annual precipitation falls with an intensity less than 10 mm per hour. Snow is a minor part of the annual precipitation, averaging 2–5% depending on elevation. Snow cover rarely lasts for more than 3 or 4 days, even on the upper slopes.