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Advances in Earth Science >

2016 , Vol. 31 >Issue 2: 206 - 212

DOI: https://doi.org/10.11867/j.issn.1001-8166.2016.02.0206.

Orginal Article

Change Analysis of Three Major Antarctic Ice Shelves Based on Multi-source Remote Sensing Data

  • Chenxi Wu ,
  • Shijie Liu ,
  • Yixiang Tian ,
  • Xiaohua Tong
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  • 1.College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China
    2.Center for Spatial Information Science and Sustainable Development, Tongji University, Shanghai 200092, China

First author:Wu Chenxi(1991-), female, Nantong City, Jiangsu Province, Master student. Research areas include polar remote sensing research.E-mail:13_wuchenxi@tongji.edu.cn

Corresponding author:Liu Shijie(1982-), male, Loudi City, Hu’nan Province, Lecturer. Research areas include high resolution remote sensing and its applications.E-mail:liusjtj@tongji.edu.cn

Received date: 2015-11-30

  Revised date: 2016-01-19

  Online published: 2016-02-10

Supported by

Project supported by the National Key Basic Research Program of China “Precise quantitative study of mechanisms of polar ice and sea-level change of global and typical areas over the past century”(No.2012CB957701) and “Global sea level rising impact on typical regional sea level of China”(No.2012CB957704)

Copyright

地球科学进展 编辑部, 2016,
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Abstract

In recent years, melting and calving happen in the Antarctic ice shelves. In this paper, seven periods of coastlines were applied to provide an analysis of the ice front changes of Ross, Filchner-Ronne and Amery ice shelves with the inclusion of 1997 and 2000 Radarsat products, 2003/2004 and 2008/2009 MODIS products and 2006, 2012, 2015 coastline which were extracted from MODIS images. Change area, SCE (Shoreline Change Envelope) and NSM (Net Shoreline Movement) were applied to analyze the variation of the ice shelf front. The results shows that, the ice front of Amery ice shelf has advanced since 1997 and the total outward extension distance of the ice front was about 20 to 25 km while the advance area reached 3.03×103 km2. Ross ice shelf and Filchner-Ronne ice shelf continued to advance after ice calving events under the driver action of glacier. However, the advance area was less than the retreat area and the net change area is respectively -9.39×103 km2 and -5.86×103 km2. The retreat distance of the collapse area were up to 53 km and 39 km in the two biggest ice shelves.

Key words： Antarctica; Ice shelf; Coastline; Change analysis.

Cite this article

Chenxi Wu , Shijie Liu , Yixiang Tian , Xiaohua Tong . Change Analysis of Three Major Antarctic Ice Shelves Based on Multi-source Remote Sensing Data[J]. Advances in Earth Science, 2016 , 31(2) : 206 -212 . DOI: 10.11867/j.issn.1001-8166.2016.02.0206.

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