478 Gobi desert (Photo: Alfred-Wegener-Institut) Lake & Sea ice algae Lake & Sea-ice algae The seasonal extent and properties of Arctic ice on land and in the ocean determine the efficacy of the albedo [...] of sedimentary DNA as a proxy for ice cover changes on millennial time-scales (last 6000 years) by analysing the taxonomic and functional community composition in ice, water column and sediment-surface [...] changes in Antarctica High-resolution reconstruction of regional climate changes in Antarctica - Glaciological and isotope-geochemical studies on the Antarctic Peninsula and the West Antarctic Ice Sheet This