1. Department of Geology-Quaternary Sciences; Lund University; Lund Sweden
2. Division of Hydrologic Sciences; Desert Research Institute; Reno NV USA
3. Climate and Environmental Physics; University of Bern; Bern Switzerland
4. Australian Antarctic Division, Channel Highway; Kingston Tas Australia
5. Antarctic Climate and Ecosystem Cooperative Research Centre; University of Tasmania; Hobart Tas Australia
6. Institute for Marine and Antarctic Studies; University of Tasmania; Hobart Tas Australia
7. Laboratory of Environmental Chemistry; Paul Scherrer Institute; Villigen Switzerland