Estimation and Assessment of Drought in North China based on Evapotranspiration Drought Index and Remote Sensing Data

被引：0
|
作者：
Zhang, Jiahua [1 ,2 ]
Yao, Fengmei [3 ]
Shao, Xiaolu [3 ]
机构：
[1] Yangtze River Univ, Coll Geosci, Wuhan 413000, Peoples R China
[2] Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China
[3] Chinese Acad Sci, Key Lab Computat Geodynam, Beijing 100049, Peoples R China
来源：
PROCEEDINGS OF THE AASRI INTERNATIONAL CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (IEA 2015) | 2015年 / 2卷
关键词：
actual evapotranspiration; evapotranspiration drought index; North China; remote sensing; SOIL-MOISTURE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Daily actual evapotranspiration is estimated based on surface net radiation, vegetation index, average air temperature and daily air temperature range using satellite remote sensing data and routine meteorological data. Also, the estimated actual evapotranspiration (ET) is compared and validated with measured ET using eddy covariance method at luancheng station. Besides, the temporal and spatial variation of actual evapotranspiration and its impact factors are analysed qualitatively. According to the evapotranspiration through the ET model correlates well with the measured ET and the estimation is acceptable for assessing the drought conditions at large area of scales. In addition, the EDI anomaly can reflect a higher spatial resolution of drought pattern and is reliable in the indication and judgment of drought.
引用
收藏
页码：456 / 459
页数：4
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