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Portail d'information géographique

Résultats de la recherche (65 résultats)

Palaeoclimatic inferences from Loch Lomond Advance glaciers in Studies in the Lateglacial of North-West Europe.

Palaeoclimatic inferences from Loch Lomond Advance glaciers in Studies in the Lateglacial of North-West Europe.

Geology and palaeontology of Pleistocene sediments at Punta Hermengo area (Miramar, Province of Buenos Aires, Argentina): some palaeoclimatic aspects in Quaternary of South America Antarctic peninsula. Volume 1.

Geology and palaeontology of Pleistocene sediments at Punta Hermengo area (Miramar, Province of Buenos Aires, Argentina): some palaeoclimatic aspects in Quaternary of South America Antarctic peninsula. Volume 1.

Upper Cenozoic of the Southern North Sea basin: palaeoclimatic and palaeogeographic evolution

Upper Cenozoic of the Southern North Sea basin: palaeoclimatic and palaeogeographic evolution

The soils as palaeoclimatic indicators. A few sequences of paleosols in the Fiume Santo area (Sassari, Sardinia). Preliminary observations

The soils as palaeoclimatic indicators. A few sequences of paleosols in the Fiume Santo area (Sassari, Sardinia). Preliminary observations

Holocene carbonate precipitates on Precambrian bedrock in the High Arctic : age and potential for palaeoclimatic information

Holocene carbonate precipitates on Precambrian bedrock in the High Arctic : age and potential for palaeoclimatic information

Vergletscherung der Kap-Ketten im Pleistozän. Glaciation de la chaîne du Cap au Pléistocène

and a critical discussion of the palaeoclimatic conclusions on the basis of an interpretation of present-day climatic data collected by the A. - (EG)

Palaeoclimatic information from stable water isotopes of Holocene ice wedges on the Dmitrii Laptev Strait, northeast Siberia, Russia

Palaeoclimatic information from stable water isotopes of Holocene ice wedges on the Dmitrii Laptev Strait, northeast Siberia, Russia
The stable isotopic composition (andO 18, andD, d) of 3 Holocene-age ice wedges at the Dmitrii Laptev Strait was studied at high resolution in order to develop palaeoclimatic records. AMS C 14 ages of organic matter in the ice prove the Late

Methodology of loess palynology

Basic climatic indexes for loess deposits may be determined by the floristic method of palaeoclimatic reconstruction. Spectra of loess pollen are selective, thus may or may not reflect adequately the original composition of the vegetation. In order

Floodplain sediments on the divide between Huang He and Chang Jiang, Gansu province, NW China

, sedimentation dynamics and palaeoclimatic implications.

Fossiler kryogener Formenschatz des südlichen Südamerika

A register of fossil cryogenic forms is made to establish a neogenic climatostratigraphical order based on the most important traces left behind by the cryomeres. The cryogenic characteristics, studied in order to reconstruct the palaeoclimatic

Essai de corrélation des séquences climatiques du Paléolithique supérieur de Belgique et du Sud-Ouest de la France

Recent studies carried out independently in Belgium and in south-western France have provided detailed palaeoclimatic sequences for the Upper Palaeolithic in the two regions. The confrontation of those regional sequences, obtained using totally

Physiological significance of low atmospheric CO2 for plant-climate interactions

for any future refinements to pollen-based palaeoclimatic reconstructions.

Pronival (protalus) ramparts : a review of forms, processes, diagnostic criteria and palaeoenvironmental implications

, their position in a continuum of talus-derived landforms and their palaeoclimatic significance.

Relict periglacial slope deposits in the Hex River Mountains, South Africa : observations and palaeoenvironmental implications

-Pleistocene conditions for this area. The morphometric and sedimentology of openwork boulder deposits at Matroosberg are described and evaluated here in terms of their palaeoclimatic significance.

Moraine systems in the Faroe Islands: glaciological and climatological implications

This study intends, by means of a geomorphological analysis, to extract palaeoclimatic information from this part of the North Atlantic region. Moraine systems were found at several localities, some of which are described in this paper. The ages

Palaeoclimate signals as inferred from stable-isotope composition of ground ice in the Verkhoyansk Foreland, Central Yakutia

In this study, the AA. present stable-isotope data from ice-wedges of Weichselian and Holocene ages from the foreland of the Verkhoyansk Mountains, as well as from Central Yakutia, and discuss their palaeoclimatic implications.

Geomorphological evidence for fluvial change during the Roman period in the lower Rhone valley (southern France)

. analyse the palaeohydrological functioning of the lower Rhone valley between the 2nd century BC and the 2nd century AD as well as discuss its palaeoclimatic significance in relation to the upper and middle river valley.

Paleomonsoon variability in the southern fringe of the Badain Jaran Desert, China, since 130 ka BP

In this study, the palaeoclimatic information preserved in the Chagelebulu stratigraphic profile was recovered using stratigraphical, sedimentological, geomorphological and petrographical methods; based on this information the paleomonsoon

Isotopic composition of syngenetic ice wedges and palaeoclimatic reconstruction, western Taymyr, Russian Arctic

Isotopic composition of syngenetic ice wedges and palaeoclimatic reconstruction, western Taymyr, Russian Arctic

Glacier reconstruction and mass-balance modelling as a geomorphic and palaeoclimatic tool

Glacier reconstruction and mass-balance modelling as a geomorphic and palaeoclimatic tool