摘要
台风是一种路径和强度变化不确定性很大的、短暂的、能量很强的灾害性天气系统。卫星遥感特别是星载微波遥感不仅具有大范围、快速重复观测的特点,而且具备全天候和全天时的优点,受恶劣天气影响较小,可以对台风活动路径进行较好的监测和预警,是分析台风的一种有效手段。本文结合3种微波卫星载荷:高级微波扫描辐射计(AMSR)、TOPEX&Jason-1微波高度计和WindSat全极化微波辐射计的数据,初步分析了台风对海洋动力环境的影响,结合与台风相关的海洋参数的卫星遥感测量结果,给出了目前常用的微波散射计和微波辐射计海洋风场遥感的比较。对于多云情况下的海表面温度测量,微波辐射计比红外辐射计更有优势。全极化微波辐射计还具有在恶劣天气条件下海洋风场测量能力。
Typhoon is a disastrous weather system which has a great change of path and intensity with ephemeral and strong collapsing force. Satellite remote sensing, especially satellite microwave imaging sensors, not only have the advantages of large scaled, dynamic, synchronous, fast observation etc., but also can work 24 hours all-weather, which can be used for monitoring and early warning of typhoon path and thus is considered as an efficient tool to analyze typhoon. Based on the data of three independent sensors including microwave satellite Advanced Microwave Scanning Radiometer(AMSR), TOPEX&Jason-1 altimeter and WindSat radiometer, the influence of typhoon on ocean is analyzed. The satellite measurement of ocean parameters relevant to typhoon is described, and finally the comparison of wind field ocean remote sensing results with currently used radiometers and scatterometers is shown. The conclusions are given as following: compared with infra radiometer, microwave radiometers have an observable advantage;and full polarization radiometers have the potential of measuring ocean wind field in bad weather conditions.
作者
朱厦
殷晓斌
ZHU Sha;YIN Xiaobin(R&D Center,Institute of Beijing Remote Sensing Information,Beijing 100192,China;Oceanography Department,Shenzhen PIESAT Information Technology Co.Ltd,Shenzhen Guangdong 518067,China)
出处
《太赫兹科学与电子信息学报》
北大核心
2020年第4期610-615,共6页
Journal of Terahertz Science and Electronic Information Technology
基金
广东省级促进经济发展专项资金(海洋经济发展用途)资助项目(GDME-2018B001)。
