Drought monitoring and analysis in China based on the Integrated Surface Drought Index (ISDI)》.pdf

International Journal of Applied Earth Observation and Geoinformation 41 (2015) 23–33 Contents lists available at ScienceDirect International Journal of Applied Earth Observation and Geoinformation j o u rn al h omepage: w w w. elsev /locate/jag Drought monitoring and analysis in China based on the Integrated Surface Drought Index (ISDI) Jianjun Wu a , Lei Zhou b,∗ , Xinyu Mo a , Hongkui Zhou a , Jie Zhang c , Ruijing Jia d a Academy of Disaster Reduction and Emergency Management, MOCA/MOE, Beijing Normal University, Beijing 100875, China b China National Environmental Monitoring Center, Beijing 100012, China c Department of Geographical Sciences, University of Maryland, College Park, MD 20742, United States d Beijing Community Service Center for Science and Technology, Beijing 100088, China a r t i c l e i n f o a b s t r a c t Article history: Timely and accurate monitoring of the onset and evolution of drought in China are important to reduce Received 15 January 2015 losses from drought. The Integrated Surface Drought Index (ISDI) which originally established in mideast Accepted 10 April 2015 China shows a large potential for real-time regional drought monitoring. However, ISDI is still at the devel- Available online 27 April 2015 opmental stage, and the applicability of the index requires further examination especially for China with vast area, climatic conditions, complex topography, and land cover. Furthermore, ISDI model depends on Keywords: