Ice-flow Features in the Grove Mountains Area Using SAR Data

ZHOU Chunxia; DENG Fanghui; CHEN Yiming; WANG Zemin

doi:10.13203/j.whugis20150258

Volume 40 Issue 11

Nov. 2015

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Geomatics and Information Science of Wuhan University > 2015 > 40(11): 1428-1433. > DOI: 10.13203/j.whugis20150258

ZHOU Chunxia, DENG Fanghui, CHEN Yiming, WANG Zemin. Ice-flow Features in the Grove Mountains Area Using SAR Data[J]. Geomatics and Information Science of Wuhan University, 2015, 40(11): 1428-1433. DOI: 10.13203/j.whugis20150258

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Ice-flow Features in the Grove Mountains Area Using SAR Data

1.
Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan 430079, China;
2.
Key Laboratory of Polar Surveying and Mapping, National Administration of Surveying, Mapping and Geoinformation, Wuhan University, Wuhan 430079, China

Funds: The Chinese Polar Environment Comprehensive Investigation & Assessment Programme, No. CHINARE2015-02-04;the National Basic Research Program of China (973 Program), No. 2013CBA01804;the Public Science and Technology Research Fund Project of Surveying, Mapping and Geoinformation, No. 201412009;the National Natural Science Foundation of China, Nos. 41376187, 41206177.

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Received Date: May 02, 2015
Published Date: November 04, 2015

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Abstract

Abstract

The Grove Mountains area is a key study area in Chinese PANDA section of East Antarctica. Envisat ASAR images of 35 days interval were utilized to map the ice velocity in the Grove Mountains with DInSAR and offset-tracking methods. An ice velocity map of Grove Mountains displays complex motion features influenced by the widespread distribution of rocks and nunataks. We found two large ice streams bounding the Grove Mountains area, with a maximum velocity of 40 m/a. Some small ice streams flow between the nunataks in the area. GPS measurements and ice velocity MEaSUREs were applied to evaluate the accuracy, confirming the reliability of our results. Comparing winter ice velocities for the years 2006, 2007 and 2009, we detected no obvious interannual ice velocity changes in the Grove Mountains.
- Grove Mountains,
- ice-flow velocity,
- DInSAR,
- offset tracking

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