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Portail d'information géographique

Résultats de la recherche (331 résultats)

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  • Correlations among charcoal records of fires from the past 16,000 years in Indonesia, Papua New Guinea, and Central and South America
  • Atmospheric circulation ; Central America ; Charcoal ; Climatic variability ; El Niño ; Fire ; Human impact ; Indonesia ; Ocean atmosphere interaction ; Palaeo-ecology ; Papua New Guinea ; Quaternary ; South America ; Stratigraphic correlation
  • 2001
  • Damage control : restoring the physical integrity of America's rivers
  • Dam ; Ecological equilibrium ; Ecosystem ; Environmental management ; Fluvial dynamics ; Habitat ; Riparian vegetation ; Stream ; United States of America ; Watershed
  • Technological development of America's rivers, including the installation of more than 80,000 dams, has segmented the streams and fragmented their watersheds. A vision for the nation's rivers requires science and public policy that emphasize
  • 2001
  • Paleoclimatic reconstruction using the correlation in δ O 18 of Hackberry carbonate and environmental water, North America
  • Carbonate ; Climatic index ; Colorado ; Correlation ; Global change ; Holocene ; Isotope analysis ; Nevada ; Oxygen 18 ; Palaeoclimatology ; Palaeotemperature ; United States of America
  • 2001
  • Late Quaternary climate and hydrology of tropical South America inferred from an isotopic and chemical model of Lake Titicaca, Bolivia and Peru
  • Bolivia ; Climatic variation ; Geochemistry ; Isotope analysis ; Lake ; Lake level ; Model ; Oxygen 18 ; Palaeoclimate ; Palaeohydrology ; Peru ; Quaternary ; Salinity ; South America ; Tropical zone
  • 2001
  • Geographic research ; Midwest ; Research ; United States of America ; University
  • 2001
  • Belgium ; Europe ; International migration ; Mediterranean States ; Middle East ; Migratory flow ; Origin-destination ; Social structure ; United States of America ; World
  • 2001
  • Canada ; Entrepreneurship ; Historical geography ; Industrial district ; Industrial space ; Industrialization ; Industry ; Nineteenth Century ; North America ; Suburbanization ; Twentieth Century ; United States of America ; Urban area ; Urban
  • 2001
  • Canada ; Centrality ; Employment ; North America ; Polarization ; Spatial structure ; Suburbs ; United States of America ; Urban area
  • 2001
  • Alberta ; Canada ; Geochronology ; Glacial features ; Montana ; Moraine ; North America ; Palaeo-environment ; Palaeomagnetism ; Palaeosol ; Quaternary ; Sedimentology ; United States of America
  • 2001
  • Aerial photography ; Geotechnics ; Glacial features ; Kettle ; Model ; Moraine ; North America
  • Hummocky or disintegration moraine is a widespread late Wisconsin glacial terrain type across the glaciated Great Plains of mid-continent North America. This terrain consists of chaotic hummocks and enclosed kettle hollows that are widely underlain
  • 2001
  • Agriculture ; Enquiry ; Farmer ; Organic farming ; Research ; Rural geography ; Sustainable development ; United States of America
  • 2001
  • Demographic change ; Employment ; Induced effect ; Regional development ; Regional economy ; Statistics ; United States of America
  • 2001
  • Enclave ; Gated community ; Private space ; Real estate development ; Residence ; Residential area ; Segregation ; United States of America ; Urban area ; Urban society
  • 2001
  • Communication ; Geography ; Information ; Internet ; United States of America ; Web site
  • 2001
  • Geographical periodical ; Practice of geography ; Société de géographie ; United States of America
  • 2001
  • Afforestation ; Historical geography ; Nineteenth Century ; Oklahoma ; Tree ; United States of America ; University ; Urban development
  • 2001
  • Children ; Methodology ; Participation ; United States of America
  • 2001
  • Historical geography ; Massachusetts ; Organization ; Practice of geography ; Research ; United States of America
  • 2001
  • Blacks ; Community ; Historical geography ; Kentucky ; Participation ; Project ; United States of America
  • 2001
  • Blacks ; Community ; Cultural landscape ; Historical geography ; Kentucky ; Research ; United States of America ; University
  • 2001