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Drought distribution and its effects on wheat yields in China using MODIS data

文献类型: 会议论文

第一作者: Shuhe Zhao

作者: Shuhe Zhao 1 ; Qiangfei Fang 1 ; Kexun He 1 ; Zhihao Qin 2 ;

作者机构: 1.School of Geographic & Oceanographic Sciences, Nanjing University, 163 Xianlin Ave, Qixia District, Nanjing 210023, China

2.Institute of Agro-Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Zhongguancun South Street 12, Beijing 100081, China

关键词: Remote sensing

会议名称: IEEE International Geoscience and Remote Sensing Symposium

主办单位:

页码: 5015-5018

摘要: Drought is a natural disaster caused by the lack of rain and water shortage in the atmosphere, and it happens frequently and widely in all the world. This paper studied the relationship between the agricultural drought and wheat yields in China. It used nearly ten years of MODIS data and the yields data of wheat in every province among the wheat-growing areas of China. Then, it gave the drought distribution using the improved agricultural drought index and the drought changes in wheat growing season. Finally, it analyzed the effect of drought on wheat yields. The results showed that the effect of drought on wheat yields in northern of China is bigger than that in southern of China.

分类号: tp7-53

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