基于卫星观测的2003-2013年北极海冰体积变化估算

付敏; 毕海波; 杨清华; 张林; 王云鹤; 张泽华; 黄海军

doi:10.3969/j.issn.0253-4193.2018.11.002

基于卫星观测的2003-2013年北极海冰体积变化估算

doi: 10.3969/j.issn.0253-4193.2018.11.002

1.
国家海洋环境预报中心, 北京 100081
2.
中国科学院海洋研究所, 山东青岛 266071;中国科学院大学, 北京 100049;中国科学院海洋大科学研究中心, 山东青岛 266071
3.
中山大学大气科学学院广东省气候变化与自然灾害研究重点实验室, 广东珠海 519082
4.
中国科学院海洋研究所, 山东青岛 266071;中国科学院大学, 北京 100049
5.
中国科学院海洋研究所, 山东青岛 266071;中国科学院海洋大科学研究中心, 山东青岛 266071

基金项目: 国家重点研发计划（2018YFC1407205，2016YFC1402705，2016YFC1402707）

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出版历程
- 收稿日期: 2018-01-19
- 修回日期: 2018-05-03

Estimation of the Arctic sea ice volume based on satellite observations during 2003-2013

1.
National Marine Environmental Forecasting Center, Beijing 100081, China
2.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy Sciences, Beijing 100049, China;Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
3.
Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, School of Atmospheric Sciences, Sun Yat-sen University, Zhuhai 519082, China
4.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy Sciences, Beijing 100049, China
5.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China

摘要

摘要: 北极海冰正处于快速减退时期，北极海冰体积变化是全球气候变化的重要指示因子。本文利用两种卫星高度计数据（ICESat和CryoSat-2）反演得到的海冰厚度数据，结合星载辐射计提取的海冰密集度数据以及海冰年龄数据，估算了近期的北极海冰体积以及一年冰和多年冰体积变化。CryoSat-2观测时段（2011-2013年）与ICESat观测时段（2003-2008年）相比，北极海冰体积在秋季（10-11月）和冬季（2-3月）分别减少了1 426 km³和412 km³。其中，秋季和冬季的一年冰的体积增加了702 km³和2 975 km³。相反，多年冰分别减少了2 108 km³和3 206 km³。多年冰的大量流失是造成北极海冰净储量下降的主要原因。
- 海冰体积变化 /
- 北极 /
- 卫星遥感 /
- ICESat /
- CryoSat-2
Abstract: Arctic sea ice is undergoing a rapid decline, and the Arctic sea ice volume is an important indicator of global climate change. Sea ice thickness data from two kinds of satellite altimetry data (ICESat and CryoSat-2), together with sea ice concentration data and sea ice age data derived from space borne radiometers, the total and the first-year/multi-year Arctic sea ice volume from 2003 to 2013 were estimated. Comparison between the ICESat period from 2003 to 2008 and the CryoSat-2 period from 2011 to 2013, the Arctic sea ice volume had been decreased by 1 426 km³ and 412 km³in autumn (October-November) and winter (February-March), respectively. These changes are mainly caused by significant reduction of the multi-year sea ice volume in these ten years, the ice volume in autumn and winter had been decreased by 2 108 km³ and 3 206 km³, respectively. Therefore, the dramatic depletion of multi-year sea ice is the main factor of causing Arctic sea ice volume loss.
- sea ice volume changes /
- Arctic /
- satellite remote sensing /
- ICESat /
- CryoSat-2

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参考文献(19)

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