摘要
以光学植被盖度为基本原理,依据像元点亮度值和反射率的关系推导基于ASTER数据1、2、3波段反射率的地表土壤水分模型,并将模型实际应用于研究区域,反演研究区土壤水分含量,将反演结果与从美国国家冰雪中心下载的AMSR-E地表土壤水产品进行对比分析,结果表明本次研究模型可以适用于大范围区域土壤水分遥感监测。
On the basis of optics vegetation coverage, searching the soil moisture model based on the reflectance of ASTER band 1, 2 and 3 by transforming the relationship of luminance and reflectance of the pixel, then using the model on the study area to compute the soil moisture, and contrasting the results with the AMSR-E soil moisture products that were downloaded from American Snow and Ice Data Center to test such new method quantitatively of computing soil moisture rate based on ASTER image data, the results showed that the model could be used for monitoring soil moisture of wide range.
出处
《农业网络信息》
2009年第10期21-23,27,共4页
Agriculture Network Information
基金
"十一五"国家科技支撑计划重大项目的子专题(编号:2006BAB01A03-1-2)
