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  Geoid-height change and vertical crustal motion due to present and past glacial changes in Antarctica

Sasgen, I., Hagedoorn, J., Klemann, V., Martinec, Z., Wolf, D. (2004): Geoid-height change and vertical crustal motion due to present and past glacial changes in Antarctica, (EOS, Transactions, American Geophysical Union, 85(17), Suppl.), CGU-AGU-SEG-EEGS 2004 Joint Assembly (Montreal 2004) (Montreal, Canada).

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_231175 Version Permalink: -
Genre: Conference Paper

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Sasgen, Ingo1, Author              
Hagedoorn, Jan2, Author              
Klemann, Volker1, Author              
Martinec, Z.3, Author
Wolf, D.3, Author
1.3 Earth System Modelling, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, Author              
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, Author              
Gravity Field and Gravimetry -2009, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum, Author              
Affiliations:
1Deutsches GeoForschungsZentrum, ou_persistent13              
21.3 Earth System Modelling, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146027              
3External Organizations, ou_persistent22              

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 DDC: 550 - Earth sciences
 Abstract: We present results based on forward modelling of signatures related to present and past variations of the Antarctic Ice Sheet. Our calculations are organized according to the time scale of the ice-mass change. First, we implement seasonal and secular ice-mass imbalances acting on an elastic earth. Then, the elastic earth is replaced by a viscoelastic earth, and the glacial-isostatic adjustment due to global Pleistocene deglaciation scenarios is calculated. We predict the resulting geoid-height change and vertical crustal motion for Antarctica and discuss whether the signals generated are sufficiently large to be detected by the GRACE satellite gravity mission and terrestrial GPS stations, respectively.

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 Dates: 2004
 Publication Status: Finally published
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 Identifiers: eDoc: 5483
GFZPOF: 1.0 Globale Prozesse und Geomonitoring
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Title: CGU-AGU-SEG-EEGS 2004 Joint Assembly (Montreal 2004)
Place of Event: Montreal, Canada
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Title: EOS, Transactions, American Geophysical Union, 85(17), Suppl.
Source Genre: Series
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