中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Evaluation of a crop water stress index for detecting water stress in winter wheat in the North China Plain

文献类型:期刊论文

作者Yuan, Guofu; Luo, Yi; Sun, Xiaomin; Tang, Dengyin
刊名Agricultural Water Management
出版日期2004
卷号64期号:N/A页码:29-40
英文摘要

Canopy temperature measured with infrared thermometers or other remote infrared sensors is an important tool for detecting crop water stress. The crop water stress index (CWSI) is the most often used index which is based on canopy temperature to detect crop water stress. This study evaluates the application of three different forms of CWSI for winter wheat water stress monitoring in the North China Plain (NCP): the Idso empirical model, the Jackson theoretical model, and the new Alves model,
which replaces the radiometric surface temperature with a surface “wet bulb” temperature, thereby avoiding the evaluation of the surface  esistance of the crop. The results show that the CWSI based on Jackson’s definition and Alves’ definition are better than the empirical CWSI for monitoring winter wheat water stress in NCP. Both definitions are useful tools to evaluate winter wheat water stress in NCP, but the CWSI based on Alves’ definition is more practical for monitoring winter wheat water stress in NCP, mainly due to not having to estimate the crop surface resistance, while the CWSI based on Jackson’s definition is more reasonable for quantifying winter wheat water stress in NCP.

语种英语
源URL[http://ir.igsnrr.ac.cn/handle/311030/184430]  
专题生态系统网络观测与模拟院重点实验室_外文论文
作者单位Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, PR China
推荐引用方式
GB/T 7714
Yuan, Guofu,Luo, Yi,Sun, Xiaomin,et al. Evaluation of a crop water stress index for detecting water stress in winter wheat in the North China Plain[J]. Agricultural Water Management,2004,64(N/A):29-40.
APA Yuan, Guofu,Luo, Yi,Sun, Xiaomin,&Tang, Dengyin.(2004).Evaluation of a crop water stress index for detecting water stress in winter wheat in the North China Plain.Agricultural Water Management,64(N/A),29-40.
MLA Yuan, Guofu,et al."Evaluation of a crop water stress index for detecting water stress in winter wheat in the North China Plain".Agricultural Water Management 64.N/A(2004):29-40.

入库方式: OAI收割

来源:地理科学与资源研究所

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