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Portail d'information géographique

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  • Basic information on second housing of population in Czechia. Its structure was completed prior to the 90s. An empirical part deals with field and inquiry research into regional differentiation and results into a tentative typology of fields
  • 2005
  • Weather during the 2004 growing season in the Midwest produced exceptionally high yields of all crops with resulting record yields that were 10% to 25% above prior records, an exceptional increase. The inability to assess the magnitude of the 2004
  • 2005
  • or air content of pingo ice. Both pingos are characterized by conspicuous surface icings, with groundwater flow to the surface in late winter, prior to initiation of actve-layer thawing, suggesting derivation from a deep groundwater source.
  • 2005
  • study of planform change prior to dam construction. Photographs taken after commencement of flow regulation document the subsequent adjustment to the channel downstream. In conjunction, the temporal distribution of flows from the same period, 1938
  • 2005
  • In the past 2 decades, major flood events have occurred on the lower Colorado River, a dramatic shift from the low flows and moderate floods associated with prior decades of river regulation. This study uses repeat aerial photography and Geographic
  • 2005
  • depends on the assumed cosmogenic nuclide inheritance prior to the onset of erosion, the pattern of erosion is independent of this. Hence the observed pattern of cosmogenic nuclide concentrations provides constraints on spatial patterns of erosion
  • 2005
  • isotopic hydrological regime prior to reconstructing Quaternary environments from the isotopic proxies of the Great Cave of Niah.
  • 2005