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  • The spatial distribution of loess and loess-like sediments in the montain areas of Central and high Asia
  • Aeolian features ; Arid area ; Asia ; China ; Frost action ; Loess ; Microstructure ; Mongolia ; Mountain ; Plant cover ; Plateau ; Quartz ; Spatial distribution ; Tibet ; Wind
  • Results of observations and detailed profile studies of the distribution and compositions of loess and loess-like aeolian sediments in selected mountain areas of Central Asia are described. The accumulation of loess deposits in Central Asia
  • is restricted to areas with steppe vegetation, low surface-wind speeds and a low percentage of surface sand. SEM-analyses of quartz-grain surfaces show aeolian transport and frost weathering in these cold-arid mountain environments. In several samples
  • Thhe current geomorphological processes in the area are mainly of glacial, glaciofluvial and ablual nature. The glacier fronts are often situated near the costline, and this seems to favour the formation of push features in recent and subrecent
  • moraines. Thermal erosion may lead to strong morphological transformation of vast areas. Climate, and thus the production of meltwater, ground temperature changes and differences in the development of the active layer are the most important factors
  • Arctic Region ; Cold area ; Earth surface processes ; Pedogenesis ; Soil ; Soil map ; Spitsbergen ; Svalbard ; Taxonomy
  • Arctic Region ; Biogeography ; Cold area ; Phytosociology ; Plant cover ; Spatial variation ; Spitsbergen ; Svalbard ; Taxonomy ; Tundra ; Vegetation ; Vegetation map
  • Arctic Region ; Cold area ; Ecosystem ; Ecotope ; Indicator ; Plant cover ; Soil moisture ; Solifluction ; Spitsbergen ; Svalbard ; Vegetation
  • In the area of Germania Halvøya at Liefdefjorden three of four sheets of orthophotomaps 1:25 000 have been mapped geomorphologically. The mapping has been prepared by stereoscopic evaluation of various aerial photographs of 1966, 1970(BW) and 1990
  • Arctic Region ; Cold area ; Fjord ; Freezing ; Periglacial features ; Permafrost ; Soil moisture ; Spitsbergen ; Svalbard
  • The area of Germaniahalvøya consists of Caledonian metamorphic basement rocks (Hecla Hoek) and post-orogenic Old Red-sediments of the Devonian graben of NW-Spitsbergen.
  • Aeolian features ; Arid area ; Atmospheric circulation ; Calcrete ; Clay mineral ; Climatic variation ; Dating ; Desert ; Dune ; Heavy minerals ; Namibia ; Palaeo-environment ; Palaeoclimate ; Quaternary ; Thermoluminescence
  • Aeolian features ; Arid area ; Aridity ; Dune ; Egypt ; Holocene ; Palaeoclimate ; Palaeogeomorphology ; Pleistocene ; Salinity ; Sand ; Wind
  • ; deflation-moderating impact of irrigation varied in extent with 27 different soil samples. The experiments are capable of providing useful data for the initial stage of form development in wind-blown sand areas, as well.
  • Using 2 areas of young coastal dunes and beach ridges in Vorpommern (Northern Usedom and New Darss), the most important conditions for existence, and the principle of the complex geoecological analysis and of geoecological systematics are explained
  • Aeolian features ; Argentina ; Fluvioglacial features ; Glacial features ; Glacier advance ; Holocene ; Lateglacial ; Moraine ; Palaeo-environment ; Patagonia ; Pedogenesis ; Quaternary ; Semi-arid area
  • gives a comparative summary of the main results, based on the following study areas : sand shields and barchans of Famara (Lanzarote), crescentic ridges of Corralejo (NE-Fuerteventura), linear dunes on the leeward coastline of Jandía (S-Fuerteventura
  • Aeolian features ; Arid area ; Dune ; Palaeo-ecology ; Palaeo-environment ; Palaeoclimate ; Palaeosol ; Palynology ; Pollen analysis ; Quaternary ; Sebkha ; Syria
  • Arctic Region ; Chemical alteration ; Cold area ; Geochemistry ; Lithology ; Microstructure ; Mineralogy ; Pedogenesis ; Soil ; Spitsbergen ; Svalbard ; Weathering
  • Arctic Region ; Biogeochemistry ; Biomass ; Carbon dioxide ; Cold area ; Ecosystem ; Primary production ; Soil ; Soil properties ; Spitsbergen ; Svalbard ; Tundra ; Vegetation
  • Arctic Region ; Cold area ; Fluvial dynamics ; Glacial features ; Periglacial features ; Sediment budget ; Sediment transport ; Spitsbergen ; Svalbard ; Watershed
  • Aeolian deflation ; Aeolian features ; Arid area ; Desert ; Dune ; Egypt ; Fluvial processes ; Geomorphogenesis ; Grain size distribution ; Sedimentary structure