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PORTAIL D'INFORMATION GÉOGRAPHIQUE

Résultats de la recherche (41 résultats)

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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Palynological evidence for Late- and Postglacial environmental change in central Colorado
  • C 14 dating ; Colorado ; Lateglacial ; Palaeo-environment ; Palaeoclimate ; Palynology ; Postglacial ; Quaternary ; Stratigraphy ; United States of America
  • A sediment core recovered from Lost Park provides palynological evidence for postglacial vegetational and environmental change in the central Front Range of Colorado. The A. identifies an interval within the Lost Park core where the pollen spectra
  • 1998
  • Palynological evidence of climatic and oceanographic changes in the North Sea during the last deglaciation
  • Atlantic Ocean ; Climatic variation ; Deglaciation ; Lateglacial ; Marine quaternary ; Marine sediment ; North Sea ; Palaeo-environment ; Palynology ; Pollen diagram
  • Palynological analyses performed on cores from the Norwegian Channel (Troll 8903) led to reconstruction of the late-glacial variations in sea-surface conditions using dinoflagellate cyst data and permitted direct correlation with the vegetation
  • 1998
  • Australia ; C 14 dating ; Charcoal ; Coastal environment ; Estuary ; Holocene ; New South Wales ; Palaeo-environment ; Palynology ; Pollen analysis ; Sea level
  • Palynological and geochemical analyses (radiocarbon dates) were used to reconstruct the history of these 2 sites. The results indicate a dynamic past environment, with an overall tendency towards drier conditions. This evidence is supported, in part
  • 1998
  • Archeological site ; Climatic variation ; Cultivated plants ; Geochemistry ; Holocene ; Maize ; Mexico ; Palaeo-ecology ; Palynology ; Pollen diagram ; Precipitation ; Quaternary ; Yucatán
  • The AA. present paleoecological data from the archaeological site of Cobá, which provides evidence bearing on lowland Maya development. Palynological and geochemical data record multidecadal precipitation cycles. Maize cultivation allowed the Maya
  • 1998
  • Atmospheric circulation ; Carbon ; Clay mineral ; Holocene ; Isotope analysis ; Lacustrine sediment ; Monsoon ; Oxygen 18 ; Palaeogeography ; Palaeolake ; Palynology ; Saudi Arabia ; Yemen
  • Paleoecology and paleohydrology of the Ramlat as-Sab'atayn are reconstructed from a comparative study including sedimentology, mineralogy, stable isotope ratios of carbonates, and palynology of lacustrine sediments recovered from the al-Hawa
  • 1998
  • Épidémiologie des pollinoses et facteurs météorologiques dans le Centre-est de la France : le cas de la Haute-Bourgogne (1996-1998)
  • Burgundy ; Correlation ; France ; Health ; Meteorology ; Palynology
  • 1998
  • Dating ; European part of Russia ; Glaciation ; Palaeogeography ; Palynology ; Pleistocene ; Stratigraphy ; Vologda
  • 1998
  • C 14 dating ; Erratic boulder ; European part of Russia ; Fluvioglacial features ; Historical geography ; Ladoga Lake ; Lake ; Palaeogeography ; Palaeolimnology ; Palynology ; Pollen analysis ; Quaternary ; Sedimentary structure ; Theory
  • 1998
  • Asian part of Russia ; Fluvial terrace ; Geochemistry ; Grain size distribution ; Holocene ; Organic materials ; Palaeo-ecology ; Palynology ; Pedogenesis ; Pollen diagram ; Siberia
  • 1998
  • C 14 dating ; Climatic variation ; Lateglacial ; Oregon ; Palaeo-environment ; Palynology ; Pollen diagram ; Quaternary ; United States of America
  • 1998
  • Deglaciation ; Diatom ; Lacustrine sediment ; Malagasy Republic ; Palaeo-environment ; Palaeoclimate ; Palynology ; Pollen diagram ; Quaternary ; Tropical zone ; Water balance
  • 1998
  • C 14 dating ; Glaciolacustrine ; Palaeo-ecology ; Palaeo-environment ; Palynology ; Quaternary ; Sand ; United States of America ; Wisconsin
  • 1998
  • Amazon Basin ; Brazil ; C 14 dating ; Lateglacial ; Lithology ; Mineralogy ; Palaeo-environment ; Palaeoclimate ; Palynology ; Quaternary ; Sedimentology ; Tropical rain forest
  • 1998
  • C 14 dating ; Evapotranspiration ; Holocene ; Lake ; Lake level ; Model ; Palynology ; Precipitation ; Rill wash ; Sweden
  • 1998
  • Biodiversity ; C 14 dating ; Colombia ; Ecosystem ; Holocene ; Human impact ; Lacustrine sediment ; Palaeo-environment ; Palaeobiogeography ; Palynology ; Pollen diagram ; Tropical rain forest
  • 1998
  • Aeolian features ; C 14 dating ; Grain size distribution ; Holocene ; Palynology ; Sand ; Scotland ; Sedimentology ; Surface deposits ; United Kingdom
  • 1998
  • Canada ; Ecology ; Fishing resources ; Gulf ; Holocene ; Marine biology ; Marine sediment ; Palynology ; Postglacial ; Quebec ; Saint-Laurent ; Taxonomy
  • 1998
  • Agriculture ; Agroforestry ; Andes ; C 14 dating ; Holocene ; Human impact ; Impact ; Lacustrine sediment ; Land use ; Palaeo-environment ; Palynology ; Peru ; Pollen diagram
  • 1998
  • Asian part of Russia ; Baikal ; Holocene ; Lacustrine sediment ; Lake ; Lateglacial ; Palynology ; Pollen diagram ; Quaternary ; Sedimentology ; Siberia
  • 1998