Accuracy evaluation of the CCI remote sensing soil moisture for revealing drought in Northeast China

4th International Conference on Agricultural and Biological Sciences

农业科学;生物科学

Yao, X.L.^1,2 ; Sun, S.Y.^2 ; Li, X.J.^1 ; Liu, R.^2

College of Resource Environment and Tourism, Capital Normal University, No. 105 XiSanhuan North Road, Beijing

100048, China^1

China Science Map-universe Technology Co., Ltd, No., Jia 11 Anxiangbeili, Beijing

100875, China^2

关键词: Accuracy evaluation;    Agricultural drought;    Coincidence degree;    European Space Agency;    Pearson coefficient;    Rain fed agriculture;    Region of northeast chinas;    Remote sensing data;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/185/1/012040/pdf
DOI  :  10.1088/1755-1315/185/1/012040

来源: IOP

【 摘 要 】

The validation research is the basis of application of remote sensing data. This study using soil surface measured data for 10 cm in Northeast China in 1992-2013 to verify the European space agency soil moisture data set (ESA CCI SM). In this study, two methods evaluating CCI data for revealing drought was used: common Pearson coefficient method and drought judgement method for coincidence degree of drought. This verification study is located in the main grain producing areas of Northeast China, which is dominated by rain-fed agriculture. After the result analysis, CCI remote sensing soil moisture is feasible for assessment research on agricultural drought. Through the evaluation of this study, this remote sensing soil water can be used as an effective indicator of agricultural drought in the main grain-producing region of Northeast China.