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  Present-day West Antarctic ice-mass change estimate by the constrained inversion of GRACE and InSAR data

Sasgen, I., Martinec, Z., Bamber, J. (2008): Present-day West Antarctic ice-mass change estimate by the constrained inversion of GRACE and InSAR data, (Eos, Transactions, American Geophysical Union, Suppl.; 89, 53), AGU 2008 Fall Meeting. (San Francisco, USA 2008).

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_238006 Version Permalink: -
Genre: Conference Paper

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 Creators:
Sasgen, Ingo1, Author              
Martinec, Z.2, Author
Bamber, J.2, Author
1.3 Earth System Modelling, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, Author              
Affiliations:
1Deutsches GeoForschungsZentrum, ou_persistent13              
2External Organizations, ou_persistent22              

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Free keywords: 15-19 December 2008. Abstract C31B-0491
 DDC: 550 - Earth sciences
 Abstract: We estimate the ice-mass loss in West Antarctica from the Gravity Recovery and Climate Experiment (GRACE) using an inverse gravimetric approach. The inversion is constrained by the InSAR data to minimize the ambiguity of the resulting mass estimates. We determine the spatial resolution of GRACE over Antarctica and use it to calculate unconstrained (GRACE only) mass balance estimates for a reduced number of drainage basins. We compare InSAR, constrained and unconstrained mass change rates, estimate their uncertainties and discuss the influence of glacial-isostatic adjustment on our results.

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 Dates: 2008
 Publication Status: Finally published
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 Identifiers: eDoc: 12426
GFZPOF: 1.0 Globale Prozesse und Geomonitoring
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Title: AGU 2008 Fall Meeting. (San Francisco, USA 2008)
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Title: Eos, Transactions, American Geophysical Union, Suppl.; 89, 53
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