Geographical Report of the GeoArk expeditions to North-East Greenland 2007 and 2008 Sabine Ø, North East Greenland, August 2008 May 2009 Aart Kroon, Bjarne Holm Jakobsen, Jørn Bjarke Torp Pedersen, Laura Addington, Laura Kaufmann, Bjarne Grønnow, Jens Fog Jensen, Mikkel Sørensen, Hans C Gullov, Mariane Hardenberg, Anne Brigitte Gotfredsen, Morten Melgaard To this edition of the report This is the preliminary edition and will be published in the Report series of SILA, The Greenland Research Centre at the National Museum of Denmark in spring 2009 under Report nr. 29. Questions or comments about the report can be addressed to: Department of Geography and Geology, University of Copenhagen Øster Voldgade 10 1350 Copenhagen, Denmark Aart Kroon, e-mail:
[email protected] Bjarne Holm Jakobsen, e-mail:
[email protected] Jørn Bjarke Torp Pedersen, e-mail:
[email protected] Acknowledgements The GeoArk team greatly acknowledges all the support they have had during the expeditions in 2007 and 2008. Special thanks go to Danish Polar Center, National Environmental Research Institute and Greenland Commando (‘Forsvaret, Grønlands Kommando’: ‘Vædderen’ and ‘Slædepatruljen Sirus’) for their logistic support. The financial support of the Commission for Scientific Research in Greenland and several private funds are highly appreciated. Contents i 1. Introduction 1 2. Description of the expedition area: Clavering Ø, Wollaston Forland, Sabine Ø and Hvalros Ø 5 2.1 Introduction 5 2.2 Geology 5 2.3 Geomorphology 7 2.4 Climate 8 2.5 Ice coverage and polynya 11 3. Geographical topics in the Geoark project 15 3.1 Morphology and morphodynamics of coastal environments 15 3.2 Relative sea level variations, paleo climate and climatic changes in the Holocene 23 4.