Ice velocities on the front of Amery Ice Shelf, East Antarctica, from static GPS observations

Shengkai Zhang; Dongchen E; Zemin Wang

doi:10.1117/12.712643

28 October 2006 Ice velocities on the front of Amery Ice Shelf, East Antarctica, from static GPS observations

Shengkai Zhang, Dongchen E, Zemin Wang

Proceedings Volume 6418, Geoinformatics 2006: GNSS and Integrated Geospatial Applications; 64180Q (2006) https://doi.org/10.1117/12.712643
Event: Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 2006, Wuhan, China

Abstract

The Lambert Glacier-Amery Ice Shelf (LAS) system is the largest glacier-ice-shelf system in East Antarctica, the Amery Ice Shelf (AIS) and its tributaries drain ice from the LAS system. During the austral summer season of 2002/03, the 19th Chinese National Antarctica Research Expedition (CHINARE) carried out the first expedition on the Amery Ice Shelf and set up 7 GPS sites, During the austral summer season of 2003/04, the 20th Chinese National Antarctica Research Expedition (CHINARE) cooperated with Australian National Antarctica Research Expedition (ANARE) visited the Amery Ice Shelf again, 5 GPS sites were reoccupied. The GPS data were processed using the GAMIT/GLOBK software, and the surface ice velocities was calculated. Results show that surface horizontal velocities at the 5 GPS sites at the front of the Amery Ice Shelf vary between 900m/y and 1600m/y. Such studies are fundamental to improving our knowledge of the Antarctic ice sheet mass balance and dynamical models of ice/ocean interaction.

Citation Download Citation

Shengkai Zhang, Dongchen E, and Zemin Wang "Ice velocities on the front of Amery Ice Shelf, East Antarctica, from static GPS observations", Proc. SPIE 6418, Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 64180Q (28 October 2006); https://doi.org/10.1117/12.712643

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