Regions: Inuvialuit Settlement Region, Gwich'in Settlement Area
Tags: physical sciences, fossils, permafrost thaw, mammals, biochemical cycling
Principal Investigator: | Murton, Julian B (8) |
Licence Number: | 17083 |
Organization: | University of Sussex |
Licensed Year(s): |
2022
|
Issued: | Jul 07, 2022 |
Project Team: | Hazel Reade, Rhiannon Stevens, Simon Bottrell |
Objective(s): To establish the causes of the major changes in sulphur isotopes recorded in fossil bones of mammals at the end of the ice age and to test our working hypothesis that major changes in fossil bone collagen sulphur are linked to changing biogeochemical cycling caused by permafrost thaw.
Project Description: This licence has been issued for the scientific research application No.5255. The main objective of the project is to establish the causes of the major changes in sulphur isotopes recorded in fossil bones of mammals at the end of the ice age. To achieve this, the research team will test the working hypothesis that major changes in fossil bone collagen sulphur are linked to changing biogeochemical cycling caused by permafrost thaw. Fieldwork will establish the relationship between soil and plant sulphur isotopes and permafrost thaw across a transect of sampling sites spanning continuous and discontinuous landscapes in Northwest Canada. Samples of soil (100-200 g), vegetation (<500 g), water (<200 ml) and ice (<200 ml) will be collected at multiple localities from three regions. In each region soil profiles 1-2m deep and naturally exposed by erosion along the river bank, coastal bluff or in landslides will be ... Show more