摘要
该文从土壤的热性质出发，阐述了目前国内外用气象卫星监测土壤湿度的研究中存在的问题，并提出了解决的方法，在解热传导方程的基础上，引入了“遥感土壤水分最大信息层”概念，并以此为理论依据建立了多时相的综合土壤湿度统计模型。为了在业务中有效地使用所有卫星资料，还提出获得日较差的几种方法。
Meteorological satellite data have been widely used to study soil moisture, butthere exist many problems。 Solutions of these problems are put forward in the paper.Based on soil thermai characteristics and the concept of “maximum information laver inremote sensing of soil moisture”which is introduced in the paper, a multitemporalintegiated soil moisture statistical model is established.In order to put this model inoperation,several methods to estimate daily range of temperature are also discussed.
出处
《应用气象学报》
CSCD
北大核心
1994年第3期312-318,共7页
Journal of Applied Meteorological Science
基金
国家抗旱指挥部的经费支持
关键词
土壤水分
气象卫星
遥感监测
Soil moisture
Daily range of temperature
Remote sensing monitoring
