inscription
Portail d'information géographique

Résultats de la recherche (8 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • in the resistance of bedrock as downcutting continues), the type of movement as well as the location of an uplift block, the resistance of bedrock and the variability of climatic regime cannot also be neglected. The pattern of movements (faulting, folding) controls
  • -controlled relief comes into being. (d'après l'A.).
  • relief ; 3/ Reconstruction of landscape of past periods ; 4/ How matter in the geosystems being changed by the human intervention. - (DG)
  • deposits and landforms these variations are very clear; phases of higher flood frequency are dated 6600-6000, 5500-4750 and 3250-3000 BP. These phases coincide very well with sparse information on landslides, data on high lake levels in the early Subboreal
  • , phases of forest-ecosystem transformation and, finally, the reaction of human cultures to these changes. Their rhytmicity correlates well with records from the Alps and the Alpine foreland but poorly with those from Scandinavia. - (DG)
  • should take into consideration not only the subsequent rises in temperature, precipitation and carbon storage, but also secondary hydrologic variations, which differ spatially due to climatic zonation as well as to geography, lithology and other factors
  • A variety of factors include climatically induced changes of the river runoff and sediment load, glacial advances and rapid variations of the base level, as well as the influence of the tectonic factor. The first-order climatic cycles are reflected
  • The parallel study of past and present-day environmental changes helps in the better understanding of the relations between processes, their effects, and the long-term trends to them as well as in the recognition of the relations between various
  • Studies of fluvial forms sediments and their dating by 14C and dendrochronological method make possible to distinguish long-term fluctuations in the flood frequency as well as in some cases to distinguish following flood phases which correlate
  • that, beside the young glacial relief of northern poland, the periglacial cold phase with permafrost played a substantial role in transforming relief, something that has remained well expressed in sediments and relief up to the present time. - (BJ)