SUBGLACIAL TOPOGRAPHIC SURVEYS IN THE KERNEL AREA OF THE GROVE MOUNTAINS, ANTARCTICA

doi:10.13679/j.jdyj.2014.4.399

ADVANCES IN POLAR SCIENCE ›› 2014, Vol. 26 ›› Issue (4): 399-404.DOI: 10.13679/j.jdyj.2014.4.399

SUBGLACIAL TOPOGRAPHIC SURVEYS IN THE KERNEL AREA OF THE GROVE MOUNTAINS, ANTARCTICA

Wang Zemin¹, Tan Zhi², Ai Songtao¹, Liu Haiyan¹, Wang Liying³

¹Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan 430079, China;

²Tianjin Institute of Surveying and Mapping, Tianjin 300381, China;
³National Marine Data and Information Service, Tianjin 3000171, China

Received:2013-07-08 Revised:2013-08-13 Online:2014-12-30 Published:2014-12-30
Contact: WANG Zemin

Abstract

Abstract: The Grove Mountains are located in a remote area of inland Antarctica between Zhongshan Station and Ice Dome A. China has organized five scientific investigations in the Grove Mountains, researching geological structure, ancient climate, and meteorites, monitoring ice movement, conducting basic mapping, meteorological observations, and other multi-disciplinary observational studies. During the 26th Chinese Antarctic Research Expedition in 2010, the Grove Mountains investigation team used specialized ground penetrating radar (GPR) for topographic mapping under the ice in the eastern kernel area of the Grove Mountains. In this paper, global positioning system (GPS) and GPR data are processed using professional graphics software to produce two subglacial topographic maps of the Grove Mountains kernel area. The maps revealed the structure of the nunataks and the bedrock in this area, and identified a possible sedimentary basin under the Pliocene epoch fossil ice. In addition, cross-sectional analysis of the area between Harding Hill and the Sakharov Ridge showed that the box valley shape between the two nunataks has already matured.

Key words: Grove Mountains, GPR, subglacial topography, surveying

Wang Zemin, Tan Zhi, Ai Songtao, Liu Haiyan, Wang Liying. SUBGLACIAL TOPOGRAPHIC SURVEYS IN THE KERNEL AREA OF THE GROVE MOUNTAINS, ANTARCTICA[J]. ADVANCES IN POLAR SCIENCE, 2014, 26(4): 399-404.

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SUBGLACIAL TOPOGRAPHIC SURVEYS IN THE KERNEL AREA OF THE GROVE MOUNTAINS, ANTARCTICA

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