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地球科学进展  2009, Vol. 24 Issue (4): 392-402    DOI: 10.11867/j.issn.1001-8166.2009.04.0392
综述与评述     
冰雷达探测研究南极冰盖的进展与展望
崔祥斌1,2,孙波2,田钢1,蒋芸芸2张向培2;郭井学2,唐学远2
1.浙江大学理学院地球科学系,浙江 杭州 310027; 2.中国极地研究中心,上海 200136
Progress and Prospect of Ice Radar in Investigating and Researching Antarctic Ice Sheet
Cui Xiangbin1,2,Sun Bo2,Tian Gang1,Jiang Yunyun2,Zhang Xiangpei2,Guo Jingxue2, Tang Xueyuan2
1.Department of Earth Science, Zhejiang University, Hangzhou 310027, China;2.Polar Research Institute of China, Shanghai 200136, China
 全文: PDF(2030 KB)  
摘要:

      南极冰盖是地球上最大的陆缘冰体,其物质收支和稳定性对全球气候变化和海平面升高有重要的影响。冰雷达,或称无线电回波探测,是冰川学家调查南极冰盖冰下特征的主要方法。在过去的50年里,冰雷达被广泛用于测量冰盖厚度、内部构造和冰下地貌,这些参数是计算冰盖体积和物质平衡、重建过去冰雪积累和消融率以及冰盖动力和沉积过程的基础。现在,冰雷达测量覆盖了南极绝大部分区域,极大地提升了人们对南极冰盖和全球系统间相互作用的理解。首先,简要介绍了冰雷达及其技术发展,然后着重评述了冰雷达在探测研究南极冰盖厚度和冰下地形、内部反射层、冰下湖和冰下水系、冰床粗糙度以及冰晶组构上的进展。最后,对未来冰雷达探测研究南极冰盖的前景进行了展望,并给出我国的现状。


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关键词: 冰雷达南极冰盖等时层冰下湖冰晶组构    
Abstract:

       The Antarctic ice sheet is the largest continental ice on the earth and its mass budget and stability has an important influence on global climate change and sea level rise. Ice radar, or radio-echo sounding (RES), constitutes the principal means by which glaciologists investigate the subsurface properties of the Antarctic ice sheet. In the past fifty years, ice radar has been widely applied to measure ice sheet thickness, internal structure and subglacial morphology. These parameters are fundamental for the calculation of ice volume and mass balance as well as the reconstruction of past snow accumulation and melting rates, ice dynamics and deposition process. Now, RES has covered most regions in Antarctica and provided significant understanding of the interactions between ice sheet and global system. We briefly introduced ice radar and its technical development firstly and then mainly reviewed the progress of ice radar in investigating and researching Antarctic ice sheet thickness and subglacial topography, internal reflecting horizons, subglacial lakes and water systems, subglacial bedrock roughness and crystal orientation fabrics(COF). Finally, the prospect of ice radar in investigating and researching Antarctic ice sheet in the future and our present situation was proposed.

Key words: Ice radar    Antarctica Ice sheet    Isochrons    Subglacial lake    Crystal orientation fabrics
收稿日期: 2008-07-25 出版日期: 2009-04-10
:  P225.1  
基金资助:

国际极地年中国行动计划项目“中山站至冰穹A冰盖结构与动力学过程研究”;中国高技术研究发展计划项目“面向极地表面与低空科考使命的机器人技术和系统研究”(编号:2006AA04Z206)和“基于电磁感应的海冰厚度监测关键技术与系统研究”(编号:2006AA09Z152)资助.

通讯作者: 崔祥斌     E-mail: cuixiangbin@pric.gov.cn
作者简介: 崔祥斌(1981-),男,山西朔州人,博士,主要从事冰雷达南极冰盖和气候演化研究. E-mail:cuixiangbin@pric.gov.cn
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引用本文:

崔祥斌,孙波,田钢,蒋芸芸,张向培,郭井学,唐学远. 冰雷达探测研究南极冰盖的进展与展望[J]. 地球科学进展, 2009, 24(4): 392-402.

Cui Xiangbin,Sun Bo,Tian Gang,Jiang Yunyun,Zhang Xiangpei,Guo Jingxue. Progress and Prospect of Ice Radar in Investigating and Researching Antarctic Ice Sheet. Advances in Earth Science, 2009, 24(4): 392-402.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2009.04.0392        http://www.adearth.ac.cn/CN/Y2009/V24/I4/392

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