A Comparison between Different Vegetation Water Indices in the Ability of Monitoring Water Status of Wheat in April

被引：0
|
作者：
Wang Pu [1 ]
Kong Fanming [1 ]
Ding Huiyan [1 ]
Zhao Liuhui [1 ]
Nie Jianliang [1 ]
机构：
[1] Beijing Normal Univ, Resources Coll, Beijing 100875, Peoples R China
来源：
2008 INTERNATIONAL WORKSHOP ON EARTH OBSERVATION AND REMOTE SENSING APPLICATIONS | 2008年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Using the data of wheat spectrum and water content in 6th April and 23rd April, we figure out the values of NDVI, NDWI, GVMI, PVI and WI, which are among the most frequently used water indices, and make correlation and regression analyze between these indices and EWT and FMC, two indices indicate the water content of wheat leaves. Through analysis and comparison, we find that FMC has a better correlation with water indices than EWT in this period, that in different period the best water index to monitor the water content of wheat is different, and that along with the growth of wheat, the effect of these indices in monitoring water content of wheat becomes much better.
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页码：243 / 248
页数：6
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