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估算区域蒸发蒸腾量的遥感模型对比分析
引用本文:张晓涛,康绍忠,王鹏新,佟玲.估算区域蒸发蒸腾量的遥感模型对比分析[J].农业工程学报,2006,22(7):6-13.
作者姓名:张晓涛  康绍忠  王鹏新  佟玲
作者单位:1. 西北农林科技大学旱区农业水土工程教育部重点实验室,杨凌,712100
2. 中国农业大学农业水问题研究中心,北京,100083;西北农林科技大学旱区农业水土工程教育部重点实验室,杨凌,712100
3. 中国农业大学信息与电气工程学院,北京,100083
摘    要:蒸发蒸腾量是地球表面水量和能量平衡中的重要分量。蒸发蒸腾通过水文循环影响着区域乃至全球的气候、生态及农业生产。与传统的地面点观测手段相比,利用遥感监测区域蒸发蒸腾具有快捷、宏观、经济等优势和特点。该文在阐述利用遥感研究蒸发蒸腾的基本原理和方法的基础上,综述了国内外常用的遥感蒸发蒸腾模型,并着重对SEBAL、VITT等模型进行了评述和对比分析,指出了利用遥感研究区域蒸发蒸腾中存在的问题。

关 键 词:区域蒸发蒸腾  遥感  单层模型  双层模型
文章编号:1002-6819(2006)07-0006-08
收稿时间:7/1/2005 12:00:00 AM
修稿时间:2005-07-012005-11-01

Comparative analysis of regional evapotranspiration estimation models using remotely sensed data
Zhang Xiaotao,Kang Shaozhong,Wang Pengxin and Tong Ling.Comparative analysis of regional evapotranspiration estimation models using remotely sensed data[J].Transactions of the Chinese Society of Agricultural Engineering,2006,22(7):6-13.
Authors:Zhang Xiaotao  Kang Shaozhong  Wang Pengxin and Tong Ling
Institution:1. Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas of Ministry of Education, Northwest Agricultural and Forestry University, Yangling 712100, China ; 2. Center for Agricultural Water Research in China, China Agricultural University, Beijing 100083, China ; 3. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
Abstract:Evapotranspiration plays a significant role in the earth's water and energy balance system. It affects regional and global climate, ecological environment and agricultural yield through the hydrological cycle. Remote sensing technique, which can provide representative regional surface parameters, has proven to be the only suitable approach to the estimation of large-area ET. This article summarizes and evaluates widely used models that were applied for predicting regional ET using satellite remotely sensed data and routine meteorological data, such as SEBAL and VITT. It is evident that quantitative ET retrieval with remotely sensed data at large scale has manifested its great prospect.
Keywords:SEBAL  VITT
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