摘要
“海洋二号B”卫星(HY-2B)于2018年10月25日发射,是我国第二颗海洋动力环境探测卫星,其上搭载有包括扫描微波辐射计(SMR)在内的多个载荷,海表面温度(SST)是SMR的主要产品之一。本文分别利用NOAA提供的i Quam实测海温数据、CORIOLIS卫星WindSat反演的海温遥感产品、NCEP模式海温数据,在两个典型区域,对2020年1月1日至12月31日期间的HY-2B/SMR海温产品进行了验证,其中HY-2B/SMR与iQuam实测海温的Bias为0.004℃,RMSE约为0.65℃,CORR高于0.95。通过进一步分析,由区域A的分析结果总结了HY-2B/SMR海温产品精度随纬度变化的规律及其原因,同时,由区域B的分析结果计算出陆地、岛礁以及RFI对海温总体反演精度的影响约为0.1℃。
Haiyang-2B satellite(HY-2B)launched on October 25 of 2018 is the second marine dynamic environment satellite of China.Multiple loads including Scanning Microwave Radiometer(SMR)are mounted on HY-2B and sea surface Temperature(SST)is one of the main products of SMR.This study evaluated the SST of HY-2B/SMR in two typical ocean regions from January 1,2020 to December 31,2020 using NOAA i Quam in-situ SST,CORIOLIS/WindSat SST,and NCEP reanalysis SST.The Bias measured by HY-2B/SMR and i Quam is 0.004℃,the RMSE is about 0.65℃,and the CORR is higher than 0.95.Through further analysis,the results of region A reveal the reason of HY-2B/SMR SST product accuracy changing with latitude.Meanwhile,the results of region B reveal that the impact of land,island and RFI on the overall SST retrieval accuracy is about 0.1℃.
作者
周武
王士帅
林明森
ZHOU Wu;WANG Shishuai;LIN Mingsen(Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou),Guangzhou 511458,China;Key Laboratory of Space Ocean Remote Sensing and Application,Ministry of Natural Resources,Beijing 100195,China;National Satellite Ocean Application Service,Beijing 100081,China;The Piesat Information Technology Co.,Ltd.,Beijing 100195,China;Ocean University of China,Qingdao 266100,China)
出处
《海洋通报》
CAS
CSCD
北大核心
2022年第5期510-518,共9页
Marine Science Bulletin
基金
南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0302)。
关键词
海表温度
HY-2B
扫描微波辐射计
海温评估
sea surface temperature
HY-2B
scanning microwave radiometer
SST evaluation
