Temporal and Spatial Variability of Reference Evapotranspiration in Xinj iang
The research of the temporal and spatial characteristics of reference evapotranspiration is helpful to understand the distribu-tion and variability of the agricultural and ecological water requirement.Based on the daily meteorological data of than 68 stations all over Xinjiang,every year reference evapotranspiration was estimated by using the Penman-Monteith equation.Analyzed the different climate partitions different years the change of ET0 .The spatial distribution of ET0 was obtained by GIS and method was used for spatial interpolation.The results show that All stations ET0 variation in 660~1 800 mm,the spatial distribution of overall perform-ance for the southern Xinj iang is greater than the northern Xinj iang,the east is greater than the west,the distribution pattern of ba-sin is greater than the mountains.
reference evapotranspirationclimate partitionstemporal and spatial variability