Essays about: "Arktis"

Showing result 46 - 49 of 49 essays containing the word Arktis.

1. 46. Ice advance-retreat sediment successions along the Logata River, Taymyr Peninsula, Arctic Siberia

   University essay from Lunds universitet/Geologiska institutionen

   Author : Martin Bernhardson; [2013]
   Keywords : Sibirien; Tajmyrhalvön; Weichselian glaciation; Ice advance-retreat stages; Russia; Taymyr Peninsula; Siberia; Ryssland; isframstötar-isreträtter; Weichselistiden; Earth and Environmental Sciences;

   Abstract : A number of sites were investigated in river sections along the Logata River on the Taymyr Peninsula, Russia, and its adjacent areas to shed more light on the glaciation history over the last glacial cycles. The sediments exposed at the investigated sites are correlated and put into a local stratigraphic scheme divided into five main units. READ MORE

3. 47. The potential impact of changing vegetation on thawing permafrost : effects of manipulated vegetation on summer ground temperatures and soil moisture in Abisko, Sweden

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Eric Torkelsson; John Bengtsson; [2012]
   Keywords : vegetation manipulation experiment; permafrost; climate change; physical geography; geography; Abisko; sub-arctic; naturgeografi; geografi; klimatförändring; manipulation av vegetation; subarktis; Earth and Environmental Sciences;

   Abstract : The Arctic region has experienced significant warming in the past decades and according to predictions further increases in air temperatures and precipitation will occur during the 21st century. Recent changes in climate have had widespread implications for the permafrost around the Arctic. READ MORE

4. 48. Grazing in the Arctic : can it mitigate the impacts of climate change? : case study: Zackenberg, northeast Greenland

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Caroline Jonsson; [2012]
   Keywords : Arctic; climate change; warming; grazing; ecosystem responses; muskox; herbivores; grazing optimization hypothesis; CO₂-fluxes; Greenland; Zackenberg; Earth and Environmental Sciences;

   Abstract : Climate change has affected ecosystem structure and composition in the Arctic during the last few decades. Researchers have observed a greening trend as the active layer depth is increasing due to rising air- and soil temperatures. READ MORE

5. 49. Increasing ground temperatures at Abisko in subarctic Sweden 1956-2006

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Theres Svensson; [2008]
   Keywords : Abisko; ground temperatures; geography; physical geography; subarctic Sweden; Earth and Environmental Sciences;

   Abstract : Populärvetenskaplig sammanfattning: Global uppvärmning ökar marktemperaturen : en studie från Abisko i nordligaste Sverige. Forskare har rapporterat om ökande marktemperaturer runt omkring hela Arktis. I Abisko i nordligaste Sverige finns en femtio år lång mätserie (1956-2006), som aldrig tidigare hade blivit analyserad. READ MORE