1. Institute of Arid Meteorology,China Meteorological Administration, Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province / Key Laboratory of Arid Climatic Change and Disaster Reduction of China Meteorological Administration, Lanzhou 730020,China;
2. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science and Technology,Nanjing 210044,China
CHEN Fei,YANG Shenbin,WANG Chunling,WANG Runyuan,WANG Heling, QI Yue. Spatial and Temporal Distribution of Spring Drought in Northwest China Based on Standardized Precipitation Evapotranspiration Index[J]. Journal of Arid Meteorology, DOI: 10.11755/j.issn.1006-7639(2016)-01-0034.