The article analyzes the rule of the spatiotemporal distribution and annual change of evaporation amount in Anhui. The statistic shows the amount of evaporation on surface water is decreasing.

• 摘要文章分析了安徽省蒸发量的时空分布规律及年际变化特点。统计资料结果表明，水面蒸发量呈明显减少趋势。