Combined GRACE and InSAR estimate of West Antarctic ice mass loss
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F10%3A10051617" target="_blank" >RIV/00216208:11320/10:10051617 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Combined GRACE and InSAR estimate of West Antarctic ice mass loss
Original language description
We estimate the mass balance of eight drainage basins in West Antarctica from the Gravity Recovery and Climate Experiment (GRACE) data (GFZ RL04, GSM Level 2) using a constrained inverse?gravimetric approach. We consider InSAR observations of ice surfacevelocity as an indication of mass change, assuming that large mass loss occurs in areas of fast glacier flow. From these mass distribution functions we construct forward models of the geoid height change and their spatial correlations for each drainagebasin. Then the difference between the GRACE data and the forward model is minimized by adjusting the total amount of mass change within each drainage basin. To overcome the ambiguity inherent in this inverse problem, we constrain its solution by including a priori estimates based on the InSAR mass?budget method. However, unconstrained (GRACE only) mass?change estimates can be recovered for three to four combined drainage basins.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DE - Earth magnetism, geodesy, geography
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Geophysical Research
ISSN
0148-0227
e-ISSN
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Volume of the periodical
115
Issue of the periodical within the volume
10
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
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UT code for WoS article
000283547000003
EID of the result in the Scopus database
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