How to make a palsa: a field experiment on permafrost formation
This paper presents a natural scale field experiment on palsa formation. In this study only one parameter, which was thought to be critical one in this environment for the formation of permafrost is varied. The factor was snow depth, which
Thermoluminescence dating of aeolian sands has been carried out in NE-Nigerian dune fields with the aim of more precise informations about periods of dune formation. The measured ages, however, don't agree with certain arid phases referred
of the southern declivity of the Easten Hymalayas from paddy rice cultivation in the valleys to various maize-millet combinations, field-pasture shifting cultivation land and grazing land at the subalpine level. The A. studies the influence of human impact