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Portail d'information géographique

Résultats de la recherche (71 résultats)

Postglacial vegetation history of the Mariana Lake region, Alberta

Alberta ; Aridity ; C 14 dating ; Canada ; Holocene ; Palaeogeography ; Palynology ; Peat ; Pollen diagram ; Quaternary ; Vegetation
1994

Late Quaternary (stage 2 and 3) meltwater and Heinrich events, Northwest Labrador Sea

Atlantic Ocean ; Core sampling ; Glaciation ; Isotope analysis ; Meltwater ; North-West Atlantic Ocean ; Oxygen 18 ; Palaeogeography ; Quaternary
1994

Elevational shifts of Coleogyne ramossissima in the Mojjave Desert during the Little Ice Age

California ; Climatic variation ; Desert ; Little ice age ; Nevada ; Palaeo-ecology ; Palaeogeography ; Precipitation ; United States of America ; Vegetation
1994

Tropical climatic variation on the Pacific slopes of the Ecuadorian Andes based on a 25,000-year pollen record from deep-sea sediment core Tri 163-31B

Climatic variation ; Core sampling ; Ecuador ; Isotope analysis ; Marine sediment ; Oxygen ; Palaeogeography ; Pollen analysis ; Tropical zone
1994

Remanence characteristics of different magnetic grain size categories at Xifeng, Central Chinese Loess Plateau

China ; Grain size distribution ; Guizhou ; Loess ; Palaeoclimatology ; Palaeogeography ; Palaeomagnetism ; Palaeosol ; Pedogenesis ; Plateau
1994

Evidence for a large earthquake and tsunami 100-400 years ago on western Vancouver Island, British Columbia

British Columbia ; C 14 dating ; Canada ; Earthquake ; Global tectonics ; Palaeogeography ; Stratigraphy ; Subduction ; Subsidence ; Tsunami
1994

Extent and timing of the last glacial maximum in Southwestern Alaska

Alaska ; C 14 dating ; Glaciation ; Lacustrine sediment ; Lateglacial ; Moraine ; Palaeogeography ; Stratigraphy ; Tephrochronology
1994

Holocene paleomeanders along the Sejm River, Russia

Climatic variation ; Fluvial processes ; Holocene ; Meander ; Palaeogeography ; River bed ; Russia ; Stream flow
1994

Explanations for biogeographic tracks across the Pacific Ocean: a challenge for paleogeography and historical biogeography

Biogeography ; Ecology ; Flora ; Fossil fauna ; Global tectonics ; Model ; Palaeogeography ; Sea-floor spreading ; Spatial distribution ; Taxonomy
1994

Division intégrée de l'oblast de Moscou en régions paléogéographiques et géomorphologiques

European part of Russia ; Geomorphology ; Moscow ; Oblast ; Palaeogeography ; Region ; Thematic mapping
1994

Würm glaciation of Lake Issyk-Kul area, Tian Shan Mts.: a case study in glacial history of Central Asia

Asia ; Central Asia ; Glaciation ; Model ; Moraine ; Palaeogeography ; Quaternary ; Snow line ; Tien Shan ; Wurm
1994

Present and Pleistocene glaciation on the north-western margin of Tibet between the Karakorum main ridge and the Tarim Basin, supporting the evidence of a Pleistocene inland glaciation in Tibet

China ; Fluvioglacial features ; Glacial valley ; Glaciation ; Moraine ; Palaeogeography ; Quaternary ; Scientific expedition ; Snow line ; Tibet
1994

Dendrochronology for the last 1400 years in eastern Tibet

China ; Climatic variation ; Dendrochronology ; Dendroclimatology ; Dendrology ; Drought ; Palaeogeography ; Thematic mapping ; Tibet
1994

A methodology to interpret downvalley lake sediments as records of Neoglacial activity: Coast Mountains, British Columbia, Canada

British Columbia ; Canada ; Glacial features ; Grain size distribution ; Holocene ; Lacustrine sediment ; Methodology ; Organic materials ; Palaeogeography ; Sediment budget ; Sedimentology ; Varves
1994

Allgemeine und historische Quartärgeologie

Climatic geomorphology ; Europe ; Fluvial dynamics ; Geology ; Glacial flow ; Glaciation ; Glacier ; Glacier dynamics ; Interglacial ; Loess ; Moraine ; Mountain ; Palaeogeography ; Palynology ; Periglacial landform ; Prehistory ; Quaternary ; Sea
1994

Zur Entwicklung der postglazialen Sedimentation im Bereich des Liefdefjordes, NW-Spitsbergen

Arctic Region ; C 14 dating ; Coastal environment ; Fjord ; Holocene ; Isostasy ; Lacustrine sediment ; Marine sediment ; Palaeogeography ; Pool ; Quaternary ; Spitsbergen ; Svalbard
1994

Zur jungquartären Vereisungsgeschichte und landschaftsentwicklung in NW-Spitzbergen (Leide-, Bock- und Woodfjord)

Arctic Region ; Glaciation ; Moraine ; Palaeogeography ; Periglacial features ; Quaternary ; Regional geology ; Spitsbergen ; Svalbard
1994

The problem of the Warsaw ice-dammed lake drainage through the Warsaw-Berlin Pradolina at the last ice-sheet maximum

Chronostratigraphy ; Drainage ; Fluvial terrace ; Glacial lake ; Glaciation ; Lake ; Meltwater ; Palaeogeography ; Poland
1994

Stagnant ice features in the eastern Baltic

Cold area ; Estonia ; Finland ; Glacial features ; Glacial tectonics ; Glaciation ; Lithuania ; Palaeogeography ; Quaternary ; Stratigraphy
1994

Dead-ice features at the maximum extent of the last glaciation in northeastern Poland

Glacial features ; Glacial tectonics ; Glaciation ; Moraine ; Palaeogeography ; Poland ; Stratigraphy
1994