%0 Journal Article %A YANG Guoqing %A WANG Jiazhen %A SUN Mengmeng %T Spatial and Temporal Characteristics of Drought in Cangzhou of Hebei Province Based on Standardized Precipitation Index#br# %D 2019 %R 10.11755/j.issn.1006-7639(2019)-02-0218 %J Journal of Arid Meteorology %P 218-225 %V 37 %N 2 %X %U http://www.ghqx.org.cn/EN/10.11755/j.issn.1006-7639(2019)-02-0218