Sökning: "paleoclimate"
Visar resultat 1 - 5 av 23 avhandlingar innehållade ordet paleoclimate.
1. Latest Miocene – Early Pliocene Paleoclimate and Phytoplankton Productivity
Sammanfattning : Paper IPre-Quaternary paleoclimate studies in Australia mainly focus on terrestrial records from the southeastern part of the continent. IODP Expedition 356 drilled on the northwestern Australian shelf, yielding Miocene-Pleistocene paleoclimate records in an area where climate archives are scarce. LÄS MER
2. Understanding West African Monsoon Variability : Insights from Paleoclimate Modelling of Past Warm Climates
Sammanfattning : The Sahel, a water-vulnerable region in West Africa, relies heavily on rainfed agriculture. The region experienced pronounced droughts during the 20th Century, emphasising the socio-economic importance of understanding the drivers of the rainfall variability. LÄS MER
3. Modelling the early to mid-Holocene Arctic climate
Sammanfattning : In the recent past it has become evident that the Earth's climate is changing, and that human activity play a significant role in these changes. One of the regions where the ongoing climate change has been most evident is in the Arctic: the surface temperature has increased twice as much in this region as compared to the global average, in addition, a significant decline in the Arctic sea-ice extent has been observed in the past decades. LÄS MER
4. Solar Activity Changes at the End of the Last Ice Age - Influences on Climate and Applications for Dating
Sammanfattning : Throughout its history Earth experienced a variety of natural climate changes. By investigating their spatial and temporal evolution we can increase the understanding of the mechanisms and dynamics underlying natural climate change and improve our general comprehension of the climate system. LÄS MER
5. Remobilization of terrestrial carbon across temporal and spatial scales deduced from the Arctic Ocean sediment record
Sammanfattning : Arctic warming is expected to trigger large-scale environmental change including remobilization of terrestrial organic carbon (terrOC). Permafrost and peatland systems contain more than twice as much carbon as the atmosphere, and may upon destabilization expose large amounts of their carbon to microbial decomposition and release climate-forcing greenhouse gases (GHG). LÄS MER