星载微波遥感观测海表温度的研究进展

Research on Observing Sea Surface Temperature (SST) based on Microwave Remote Sensing by Satellite

随着卫星遥感技术的快速发展,星载微波遥感作为观测海温的手段之一,受到越来越多的关注。总结了国内外星载微波遥感观测海温的发展历程和微波遥感反演海温的理论基础,归纳了多元线性回归算法和非线性迭代算法两种主要的算法类型,在此基础上介绍了国外的TMI和AM-SR-E以及国内FY-3和HY-2等卫星上搭载的先进微波传感器仪器的运行参数、通道特征及其相应的反演算法,最后分析了微波遥感反演海温的影响因素,指出了目前研究中存在的问题,并对今后的研究方向进行了展望。

With the rapid development of remote sensing technology, it is possible to observe sea surface temperature （SST）. As one of the major methods of observing SST,microwave remote sensing by satellite has received increasing attention. The course of development on microwave remote sensing for SST obser vations and the advantages compared with infrared observations are summarized, basic retrieval theory and two major retrieval algorithms. Multiple Linear Regression Algorithm and Non-Linear Iterative Algorithm are concluded, moreover, operating parameters and the channel characteristics and other advanced micro wave radiometers carried on of TMI,AMSR-E FY-3 and HY-2 are introduced with the retrieval algorithms for each sensor,finally,the effective factors of SST retrieval are analyzed,the problems at present are lis ted,and subsequent studies are prospected.