基于ETM+影像辐射传导方程算法的地表温度反演  

Retrieving Land Surface Temperature from the ETM+ Image Radioactive Transfer Equation

作　　者：游绚[1] 晏路明[1] 

机构地区：[1]福建师范大学地理科学学院,福建福州350007

出　　处：《科技情报开发与经济》2009年第27期134-136,138,共4页Sci-Tech Information Development & Economy

摘　　要：阐述了辐射传导方程算法原理及技术路线,并用实例研究结果验证与分析,指出辐射传导方程算法反演的地表温度与亮度温度相比,总体趋势比较接近,且辐射传导方程算法反演的各地物地表温度均温与亮度温度均温的差值大约在3℃以内。This paper introduces the theory and technical route of radiation transfer equation, proves the results with cases, and points out that comparing radiation transfer equation of surface temperature to brightness temperature, the overall trend is closer, and the result proves the difference between average temperature of the radiation transfer equation inversion for material around the surface temperature and the average temperature brightness temperature is within 3℃.

关 键 词：地表温度 辐射传导方程 6S 比辐射率 

分 类 号：P423.7[天文地球—大气科学及气象学]