Chinese Journal of Polar Research

Chinese Journal of Polar Research ›› 2020, Vol. 32 ›› Issue (4): 571-585.DOI: 10. 13679/j.jdyj.20190060

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Research progress on ice sheet mass balance in Antarctica and Greenland

Ye Yue1, Cheng Xiao1,2,3,4, Liu Yan1,3,4, Yang Yuande4,5, Zhao Liyun1,3,4, Lin Yijing1, Qu Yutong1   

  1. 1.State Key Laboratory of Remote Sensing Science, and College of Global Change and Earth System Science,
    Beijing Normal University, Beijing 100875, China;
    2.School of Geospatial Engineering and Science, Sun Yat-Sen University, Zhuhai 519082, China;
    3.Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China;
    4.University Corporation for Polar Research, Beijing 100875, China;
    5.Wuhan University, Wuhan 430070, China

  • Received:2019-10-25 Revised:2020-04-20 Online:2020-12-30 Published:2020-12-24

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Abstract:

Ice sheet mass balance is the biggest source of uncertainty in predicting sea level rise and has a large impact on global sea level. With the rapid development of satellite remote sensing, great progress has been made in ice sheet mass balance studies. This paper discusses the methods of estimating ice sheet mass balance and the development of satellite data, with detailed analysis of the uncertainty and sources of error for each method, and provides references for future ice sheet mass balance studies. The results of satellite altimetry, satellite gravimetry techniques, the input and output method, and the reconciled estimate method are also discussed. Ice sheet mass balance will remain a focus of global change research. Moreover, improving satellite performance to reduce the uncertainty of observation data, innovating estimation methods to reduce the uncertainty of results, and strengthening ground observation verification are expected to be future research hotpots.