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Interannual mass variations in West Antarctica

Interannual mass variations in West Antarctica. ENSO warm conditions are followed by positive accumulation anomaly. GRACE filtered. ECMWF. Important for interpretation of campaign-based GPS measurements in Antarctica. AGIA result: Sasgen et al. 2010, submitted., Earth Planet. Sci. Lett.

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Interannual mass variations in West Antarctica

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  1. Interannual mass variations in West Antarctica ENSO warm conditions are followed by positive accumulation anomaly GRACE filtered ECMWF • Important for interpretation of campaign-based GPS measurements in Antarctica AGIA result: Sasgen et al. 2010, submitted., Earth Planet. Sci. Lett.

  2. Ice-mass changes and GIA in North America GRACE: Statistical filter, WGHM (hydrology) corrected Adjusted models:Present-day ice-mass change (PD) + glacial-isostatic adjustment (GIA) AGIA result: Sasgen et al. 2010, in prep., SPP1257 special issue, J. Geodyn. WGHM model output by courtesy of A. Güntner (GFZ)

  3. Relative sea-level change constrained by GRACE Present-day ice-mass change (PD) Glacial-isostatic adjustment (GIA) PD+GIA GFZ RL04, August 2003 to August 2009. GIA: NAWI adjusted (GRACE), Huybrechts, 2002 for Antarctica. Present-day ice mass change:Alaska and Greenland (GRACE) AGIA objective for 3. Phase

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