Analysis on Change Characteristics of Evaporation from Water Surface in Botou City from 1980 to 2015
HE Jian-xin;HA Jian-qiang;Shijiazhuang Hydrology and Water Resources Survey Bureau in Hebei Province;Cangzhou Hydrologyand Water Resources Survey Bureau in Hebei Province;
Based on the evaporation data of Jiedi Meteorological Station from 1980 to 2015,the seasonal and annual change characteristics of evaporation from water surface and the drought condition of Botou City were analyzed.The results showed that,the maximum evaporation occurred in June and the minimum evaporation occurred in January,the evaporation changed slightly year by year. The drought index of Botou City was 1.96,so Botou City belonged to semi-humid region.
【CateGory Index】： P333.1