冰雷达探测数据处理方法研究——以南极冰盖Dome A地区的数据处理为例

doi:10.3724/SP.J.1084.2013.00197

极地研究 ›› 2013, Vol. 25 ›› Issue (2): 197-204.DOI: 10.3724/SP.J.1084.2013.00197

冰雷达探测数据处理方法研究——以南极冰盖Dome A地区的数据处理为例

王甜甜^1,2 孙波¹ 关泽群² 崔祥斌¹ 冯甜甜²唐学远¹ 张栋¹ 陈昀¹

¹中国极地研究中心，上海200136
²同济大学测绘与地理信息学院，上海200092

收稿日期:2012-10-18 修回日期:2013-01-15 出版日期:2013-06-30 发布日期:2013-06-30
通讯作者: 王甜甜
基金资助:
国家重点基础研究发展计划（973计划）;国家863计划;国家自然科学基金

RESEARCH ON RADIO-ECHO SOUNDING DATA PROCESSING: A CASE STUDY AT DOME A, EAST ANTARCTICA

Wang Tiantian^1,2, Sun Bo¹ ,Guan Zequn²,Cui Xiangbin¹,Feng Tiantian²,Tang Xueyuan¹,Zhang Dong¹,Chen Yun¹

¹Polar Research Institute of China, Shanghai 200136,China;
²College of Surveying and Geo-Informatics of Tongji University, Shanghai 200092,China

Received:2012-10-18 Revised:2013-01-15 Online:2013-06-30 Published:2013-06-30
Contact: Tiantian Wang

摘要/Abstract

摘要： 提出了冰雷达数据处理的流程，详细论述了冰雷达数据处理中常规修正的关键技术：静态校正、增益控制、带通滤波以及偏移处理等。以中国第24次南极科学考察（CHINARE 24）所获取的Dome A 地区30 km×30 km范围冰雷达原始数据处理作为实例，提取得到了该区域冰盖内部等时层埋深以及冰盖的冰厚数据。通过插值展现了冰盖等时层以及冰岩界面的三维空间形态。结合该区域ICESat冰盖表面高程数据，构建出了Dome A地区涵盖冰盖表面、冰盖等时层以及冰岩界面形态特征的三维模型。

关键词: 冰雷达, Dome A, 数据处理, 等时层, 三维模型

Abstract: A method of radio-echo sounding data processing is proposed, and several key techniques, such as static correction, gain control, band-pass filter and migration process, are described in detail. The radio-echo sounding data of a 900 km² area in Dome A, Antarctica obtained by CHINARE 24 is used as an example. We show that the depth of the isochronous layers and the ice thickness of the bedrock can be extracted from the data. Furthermore, a three-dimensional model of the isochronous layers and the bedrock is generated using a suitable interpolation method. Finally, an entire 3D model, including the isochronous layers and the bedrock at Dome A is constructed by combining radio-echo sounding data with ICESat data.

Key words: Radio-echo Sounding, Dome A, Data processing, Isochronous layer, 3D Modeling

王甜甜孙波关泽群崔祥斌冯甜甜唐学远张栋陈昀. 冰雷达探测数据处理方法研究——以南极冰盖Dome A地区的数据处理为例[J]. 极地研究, 2013, 25(2): 197-204.

Tiantian Wang. RESEARCH ON RADIO-ECHO SOUNDING DATA PROCESSING: A CASE STUDY AT DOME A, EAST ANTARCTICA[J]. ADVANCES IN POLAR SCIENCE, 2013, 25(2): 197-204.

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冰雷达探测数据处理方法研究——以南极冰盖Dome A地区的数据处理为例

RESEARCH ON RADIO-ECHO SOUNDING DATA PROCESSING: A CASE STUDY AT DOME A, EAST ANTARCTICA

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