利用SAR数据研究南极Grove山地区冰流运动特征

周春霞; 邓方慧; 陈一鸣; 王泽民

doi:10.13203/j.whugis20150258

利用SAR数据研究南极Grove山地区冰流运动特征

周春霞^1,2,
邓方慧^1,2,
陈一鸣^1,2,
王泽民^1,2

1.
武汉大学中国南极测绘研究中心, 湖北武汉, 430079;
2.
武汉大学极地测绘科学国家测绘地理信息局重点实验室, 湖北武汉, 430079

基金项目: 南北极环境综合考察与评估专项资助项目(CHINARE2015-02-04);国家973计划资助项目(2013CBA01804);测绘地理信息公益性行业科研专项资助项目(201412009);国家自然科学基金资助项目(41376187,41206177)。

详细信息

作者简介:
周春霞,博士,教授,主要从事雷达干涉测量、极地环境遥感研究。E-mail:zhoucx@whu.edu.cn

中图分类号: P228.41;TP751
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出版历程
- 收稿日期: 2015-05-02
- 发布日期: 2015-11-04

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.

摘要

摘要: Grove山地区是我国南极PANDA断面考察的重点研究区域之一。本文利用35 d时间间隔的Envisat ASAR数据,分别采用DInSAR、偏移量跟踪以及两者相结合的方法提取了该区域冰面流速信息,描述了该区域复杂的冰流运动特征,并对Grove山核心区的冰流运动特征进行分析。利用GPS实测数据和MEaSUREs流速进行精度分析,说明了结果的可靠性,并利用2006、2007和2009年三期南极冬季SAR数据提取了Grove山地区冰流速,发现该区域冰流速无明显年际变化。
- Grove山 /
- 冰流速 /
- DInSAR /
- 偏移量跟踪
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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参考文献(17)

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利用SAR数据研究南极Grove山地区冰流运动特征

作者简介: 周春霞,博士,教授,主要从事雷达干涉测量、极地环境遥感研究。E-mail:zhoucx@whu.edu.cn

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出版历程

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

期刊类型引用(10)

其他类型引用(5)

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作者简介:
周春霞,博士,教授,主要从事雷达干涉测量、极地环境遥感研究。E-mail:zhoucx@whu.edu.cn