汛期对地表水与地下水水质影响规律浅析

水污染是我国水资源开发利用面临的主要问题之一。水污染业已成为导致水资源短缺的重要因素,尤其是我国北方天然水资源缺乏的地区。汛期降水是我国季风气候区地表及地下水资源的主要补给源,随着洁净的降水加入,势必影响地表及地下水水质。以沈阳市辽河支流为例,以水质监测数据为基础,运用物元可拓法综合分析评价汛前及汛后地表与地下水质,在此基础上分析汛期降水对地表及地下水质的影响。结果表明,汛期降水对地表水质具有普遍的改善作用,然而受各种因素影响,其改善程度有限;影响地下水质的因素较多,汛期来水既可改善地下水质,也可使污染地表水入渗到地下而恶化地下水质,其决定因素在于地下水的各补给水源的水量及水质。

The Effect of Flood Season on the Quality of Surface Water and Groundwater

Water pollution is one of the main problems during the development of water resources in our nation.It has become an important factor which leads to shortage of water,especially in North China.During the flood season,precipitation is the main recharge source of surface water and groundwater in monsoon areas in our country.With the fresh water joining in,the quality of surface water and groundwater will change.Taking the tributary of Liaohe River in Shenyang for example,the effect of flood season on the qual...