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GOCE+ ANTARCTICA

UNIVERSITY OF KIEL (DE)

Summary

The overarching objective of this activity is to explore the potential of GOCE to improve lithospheric modelling over Antarctica, to reduce uncertainties in bedrock topography and to study the implication on GIA modelling based on the derived information. This ismotivated by recent scientific developments, applications and new products that have emerged from ESA’s GOCE mission. In particular,a new data set, provided through the GOCE+ Theme 2 activity (Bouman et al 2014), should enable geophysical application and modelling over Antarctica with the goal to better understand and model the Earth’s interior and its dynamic processes, contributing to new insights into the geodynamics associated with the lithosphere, mantle composition and rheology. This activity shall investigate the potential to determine bedrock topography of the grounded part of the ice sheet with high spatial resolution and accuracy. Furthermore, the activity shall determine – with additional geophysical data and information – the thermal structure or composition of the upper mantle, and hereby to link crust and upper mantle. This will in turn allow to study Earth’s rebound (glacial isostatic adjustment, GIA) over Antarctica from the several kilometre thick ice sheets that covered Antarctica.

Related News

  • Deep below Antarctica with GOCE
    December 10, 2019

      A paper, published recently in the Journal of Geophysical Research: Solid Earth, describes how scientists used gravity data from the GOCE satellite mission along with seismological models to reveal unprecedented insight into the crust and upper mantle, otherwise known as the lithosphere, below this frozen continent. Read the full story and find out about …

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  • GOCE gravity gradients reveal relics of ancient continents under Antarctica
    November 7, 2018

    The combination of seismological and satellite gravity gradient imaging enhance our knowledge of Earth’s structure, especially in remote areas like the Antarctic continent, where even basic knowledge of lithospheric scale features is incomplete. A research team from Kiel University and the British Antarctic Survey exploited the satellite gravity gradients measured from 2009 to 2013 by …

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  • Earth’s squishy interior gives rapid rise to Antarctica
    June 22, 2018

    Parts of Earth’s crust are rising very slowly owing to post-glacial rebound, but using GPS, researchers have found that West Antarctica is rising faster than almost anywhere else in the world. And, ESA’s GOCE gravity mission has, in turn, helped them to understand that the mantle below is unusually fluid. Read the full story.  

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Scientific Papers

Information

Website
http://www.bas.ac.uk/project/goceantarctica/
Domain
Science
Prime contractor
UNIVERSITY OF KIEL (DE)
Subcontractors
  • BRITISH ANTARCTIC SURVEY (GB)
  • TU DELFT (NL)
  • Technical University of Denmark (DK)
Antarctica GOCE polar science cluster science

All projects