Bed elevation under grounded ice was derived by subtracting the ice thickness from the combined ice surface dataset. Bathymetry beneath ice shelves were reinterpolated from BEDMAP (version 1), and new data plus Recovery basin modification are included.

Originators: http://doi.pangaea.de/10.1594/PANGAEA.734145

Publisher: Le Brocq, A. M., Payne, A. J., and Vieli, A.: An improved Antarctic dataset for high resolution numerical ice sheet models (ALBMAP v1), Earth Syst. Sci. Data, 2, 247-260, doi:10.5194/essd-2-247-2010, 2010.

Publication date: 2010

References: Lythe, M. B., Vaughan, D. G.. and the BEDMAP Consortium: BEDMAP: A new ice thickness and subglacial topographic model of Antarctica, J. Geophys. Res.-Sol. Ea., 106(B6), 11335-11351, 2001.

Nitsche, F.O., Jacobs, S., Larter, R. D., and Gohl, K.: Bathymetry of the Amundsen Sea continental shelf: Implications for geology, oceanography, and glaciology, Geochem. Geophy. Geosy., 8, Q10009, doi:10.1029/2007GC001694, 2007.

Le Brocq, A. M., Hubbard, A., Bentley, M. J., and Bamber, J. L.: Subglacial topography inferred from ice surface terrain analysis reveals a large un-surveyed basin below sea level in East Antarctica, Geophys. Res. Lett., 34, L16503, doi:10.1029/2008GL034728, 2008.

Editors
Glaciology

Catherine Ritz
catherine.ritz@univ-grenoble-alpes.fr

Anne LeBrocq
A.LeBrocq@exeter.ac.uk