Monday, 27 August 2007
1.PS-30

ROSSMAP: Ross Sea Digital Geophysical and Geological Maps

Stuart A. Henrys1, Chiara Sauli2, Terry J. Wilson3, Christopher C. Sorlien4, Bruce P. Luyendyk4, Nigel Wardell2, Philip J. Bart5, Fred Davey6, Roi Granot7, Christopher R. Fielding8, and Rossmap Group1. (1) GNS Science, 1 Fairway Drive, Avalon, Lower Hutt, New Zealand, (2) Istituto Nazionale Oceanografia e Geofisica Sperimentale, Borgo Grotta Gigante 42/c, Sgonico, Trieste, 34010, Italy, (3) School of Earth Sciences, Ohio State University, 125 S. Oval Mall, Columbus, OH 43210-1522, (4) Institute for Crustal Studies, UCSB, Santa Barbara, CA 93106, (5) Geology and Geophysics, Louisiana State University, E235 Howe Russell Building, Baton Rouge, LA 70803, (6) Institute of Geological and Nuclear Sciences, Lower Hutt, New Zealand, (7) Scripps Institution of Oceanography, La Jolla, CA 92093-0220, (8) Department of Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340

ROSSMAP is an IPY project to map paleo-climate and tectonic interactions on the Ross Sea continental shelf. ROSSMAP addresses basic questions relating to the behaviour of Antarctic ice sheets and the geological evolution of this sector of the Antarctic margin. The ACE ROSSMAP project was established for IPY to bring together researchers motivated to explore the geological history of the Ross Sea region. The Ross Sea basins are unique in preserving a record of environmental and tectonic forces at the engine room of global climate. ROSSMAP will test what interactions there are between tectonics, landscape and climate. This will involve developing a regional geological model based on available digital seismic reflection and bathymetric data, interpreted using a common framework. We anticipate ROSSMAP will define targets for future drilling initiatives in the region, and provide a legacy of web-based electronic databases that will be available to other researchers and the public.

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