安庆市水资源开发利用现状及变化特征分析

Analysis on Present Situation and Change Characteristics of Water Resources Development and Utilization in Anqing City

基于安庆市近5年水资源公报中统计的供水量、用水量和耗水量数据,对全市供水量、用水量以及耗水量等要素进行了分析。结果表明, 2017年全市供水总量为25.38亿m?,供水水源主要以地表水源为主,占比接近99%;全市用水主要以农田灌溉和工业用水为主,分别占用水总量的53.4%和32.2%;全市平均耗水率为48.6%,城镇公共、农田灌溉、林牧渔畜和居民生活耗水均超过50%;安庆市农业节水潜力巨大,居民用水效率不高; 2013-2017年,全市农业灌溉用水和居民生活用水占比总体呈现下降趋势,工业用水占比总体呈现上升趋势。

Based on the statistics of water supply,water consumption and water consumption in Anqing Water Resources Bulletin in recent five years,the factors of water supply,water consumption and water consumption in the whole city are analyzed.The results show that the total water supply in 2017 is 2.538 billion m,and the water supply source is mainly surface water,accounting for nearly 99%;the water use in the city is mainly farmland irrigation and industrial water,accounting for 53.4% and 32.2% of the total water,respectively;the average water consumption rate of the city is 48.6%,and the water consumption of urban public,farmland irrigation,forestry,animal husbandry,fisheries and residents is more than 50%;and the agricultural water-saving diving in Anqing City is more than 50%.In 2013-2017,the proportion of agricultural irrigation water and residential domestic water in the whole city showed a downward trend,while the proportion of industrial water showed an upward trend.