The Application of Remote Sensing Monitoring during Severe Drought in 2006 summer in Chongqing area

被引：0
|
作者：
Yang, Shiqi [1 ]
Yi, Jia [2 ]
Gao, Yanghua [1 ]
Xu, Yongjin [3 ]
机构：
[1] Chongqing Inst Meteorol Sci, Chongqing 401147, Peoples R China
[2] Wuyi Univ, Dept Math & Comp Sci, Wuyishan 354300, Fujian, Peoples R China
[3] Southwest Univ, Sch Geog Sci, Chongqing 400715, Peoples R China
来源：
2010 INTERNATIONAL CONFERENCE ON DISPLAY AND PHOTONICS | 2010年 / 7749卷
关键词：
Chongqing; Drought; Remote sensing monitoring; MODIS; VSWI;
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：
According to the MODIS data from June 10 to September 21 in 2006, 12 phases of drought spatial distribution in Chongqing have been gotten based on vegetation supply water index (VSWI), which showed the whole evolution process of severe drought in 2006 in Chongqing from drought occurred - increased - relieved - increased again complete remission. To verify the monitor accuracy of VSWI in Chongqing severe drought in 2006, the soil moisture data in 170 soil moisture monitoring stations in the same period was used. The results are shown as three aspects: 1. Vegetation supply water index (VSWI) based on MOIDS data can monitor in real-time and feedback effectively summer drought in Chongqing. 2. VSWI and soil moisture have a good negative correlation. 3. The correlation index between VSWI and soil moisture also have certain relationships with elevation.
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页数：6
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