[1]于红博,包玉海,李和平,等.锡林河流域蒸散量遥感反演[J].水土保持研究,2014,21(01):224-228.
　YU Hong-bo,BAO Yu-hai,LI He-ping,et al.Remote Sensing Retrieval of Evapotranspiration in Xilin River Watershed[J].Research of Soil and Water Conservation,2014,21(01):224-228.
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锡林河流域蒸散量遥感反演

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年01期 页码: 224-228 栏目: 出版日期: 2014-02-28
Title:
Remote Sensing Retrieval of Evapotranspiration in Xilin River Watershed
作者:
于红博1,2, 包玉海1, 李和平3, 王军3
1. 内蒙古师范大学 遥感与地理信息系统重点实验室, 呼和浩特 010022;
2. 内蒙古师范大学 地理科学学院, 呼和浩特 010022;
3. 中国水利水电科学研究院 牧区水利科学研究所, 呼和浩特 010020
Author(s):
YU Hong-bo1,2, BAO Yu-hai1, LI He-ping3, WANG Jun3
1. Inner Mongolian Key Laboratory of Remote Sensing and Geography Information System, Inner Mongolia Normal University, Hohhot 010022, China;
2. College of Geography Science, Inner Mongolia Normal University, Hohhot 010022, China;
3. Institute of Water Resources for Pastoral Area, IWHR, Hohhot 010020, China
关键词:
锡林河流域; 蒸散量; 遥感
Keywords:
Xilin River watershed; evapotranspiration; remote sensing
分类号:
P334.92
摘要:
以锡林河流域为研究区，利用遥感对合成的MODIS影像数据进行处理，结合同期气象资料估算出流域日蒸散量。结果表明，反演得到的日蒸散量分布与地表状况比较吻合，上游地区日蒸散量高于中下游地区，其中低湿地植被、草甸草原蒸散量较大，锡林河流经区域的地段形成的湿地植被日蒸散量较大，植被密集的地方如耕地蒸散值较大，明显高于植被稀疏的地区。日蒸散量分布曲线基本为正态分布，主值区间为2～7 mm/d，流域平均蒸散量为4.51 mm/d。运用FAO推荐式进行了验证，误差在允许范围之内，说明该遥感方法具有一定的适用性。
Abstract:
The study area is the Xilin River watershed. Remote sensing approach was used to retrieve instantaneous evapotranspiration based on the estimation of land surface fluxes from MODIS image in 2012, and the auxiliary environmental data from the same time periods. Daily evapotranspiration was estimated by scaling. The result of evapotranspiration distribution was consistent with land surface conditions. The daily evapotranspiration in the upper reaches was higher than in the middle and lower reaches. The daily evapotranspiration of wetland vegetation and meadow grassland was higher. The daily evapotranspiration of dense vegetation such as farmland was higher than the sparse one. The distribution curve of daily evapotranspiration was characterized as Gaussian distribution. The main value was between 2 and 7 mm/d and the average value was 4.51 m/d. Results were verified by using the FAO method. This level of uncertainty was acceptable; therefore, the method that we developed was applicable.

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备注/Memo

收稿日期:2013-05-05;改回日期:2013-06-25。
基金项目:水利部公益性行业科研专项经费项目（201001039）；内蒙古自然科学基金项目（2013MS0611）
作者简介:于红博(1977-),女(满族),内蒙古呼和浩特人,博士,副教授,主要从事生态建模与遥感图像处理方面的研究。E-mail:yuboge2003@sohu.com
通讯作者:包玉海(1965-),男(蒙古族),内蒙古呼和浩特人,博士,教授,从事遥感与地理信息系统研究。E-mail:baoyuhai@imnu.edu.cn

更新日期/Last Update: 1900-01-01