北极星载微波辐射计海表温度遥感观测能力分析

孙伟富; 苗俊伟; 张杰; 孟俊敏; 马毅; 刘伊格

doi:10.3969/j.issn.0253-4193.2018.11.012

北极星载微波辐射计海表温度遥感观测能力分析

doi: 10.3969/j.issn.0253-4193.2018.11.012

1.
国家海洋局第一海洋研究所海洋物理与遥感研究室, 山东青岛 266061
2.
山东科技大学测绘科学与工程学院, 山东青岛 266590
3.
南京大学地理与海洋科学学院, 江苏南京 210023

基金项目: 国家重点研发计划（2018YFC1407202，2016YFA0600102）

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出版历程
- 收稿日期: 2018-01-19
- 修回日期: 2018-05-02

Analysis of the Arctic sea surface temperature observation capability using space borne microwave radiometer data

1.
Marine Physics and Remote Sensing Research Department, The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
College of Geomatics, Shandong University of Science and Technology, Qingdao 266590, China
3.
School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China

摘要

摘要: 本文利用2016年的AMSR2、GMI、WindSat和HY-2A RM等星载微波辐射计海表温度（SST）数据，分析了北极卫星遥感SST数据的时空覆盖和产品精度情况。结果表明：北极星载微波辐射计SST冬季覆盖率和有效覆盖天数要低于夏季，GMI的SST有效覆盖率较低，AMSR2较高，联合使用AMSR2、GMI、WindSat和HY-2A RM星载微波辐射计SST数据，2月份覆盖率在12%~15%之间，有效观测天数优于26 d，8月份覆盖率全月高于26%，有效观测天数优于29 d。北极地区星载微波辐射计SST数据的误差均要大于全球平均水平，AMSR2数据精度较好，WindSat与AMSR2的精度相当，GMI的均方根误差约是AMSR2的2倍，HY-2A RM数据精度低于其他星载微波辐射计水平。
- 北极 /
- 海表温度 /
- 卫星遥感 /
- 微波辐射计
Abstract: In this paper, SST data of AMSR2, GMI, WindSat and HY-2A RM in 2016 are used to analyze the space-time coverage and the accuracy of remote sensing SST in the Arctic. The results show that, the space borne microwave radiometer SST retrievals coverage rate and effective coverage days in winter are lower than that in summer, and the effective SST coverage rate of GMI is lower, and AMSR2 is higher. When AMSR2, GMI, WindSat and HY-2A RM space borne microwave radiometer SST data are combined used, the SST coverage rate can be between 12%-15% in February, and the number of effective observation days is better than 26 days. The SST coverage rate is higher than 26% in the whole August, and the number of effective observation days is better than 29 days. The error of the space borne microwave radiometer SST data in the Arctic is larger than that of the global average. The accuracy of AMSR2 data is the best one, the accuracy of WindSat data is close to that of AMSR2. The RMSE of GMI SST is about 2 times larger than AMSR2, and the accuracy of HY-2A RM data is lower than that of any other space borne microwave radiometer.
- Arctic /
- sea surface temperature /
- satellite remote sensing /
- radiometer

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参考文献(12)

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