关中平原近十年来渭河水环境演变研究

近十年来水环境日趋恶化,严重威胁关中地区的农业和经济发展。本文通过对关中地区、重点是渭河的水环境现状及演变过程的调查分析,根据渭河13个断面近十年来的监测数据,详细分析了关中地区水环境的水污染状况,指出渭河水环境的主要污染指标为高锰酸盐指数、COD、BOD5、非离子氨及石油类,属有机型污染,并重点分析了主要污染物的演变过程、演变特点和演变规律、对关中地区水环境污染的成因作了初步分析,提出了相应的水环境保护措施。

Water Environment Changes of Wei River in Guanzhong Plain in Recent Years

Water environment of the study area has worsenned day by day in the past ten years and threaten the agriculture and economic development of the area.This research focused on point water environmental current situation of Wei River and investigated and analyzed the course.According to the monitoring data in the past ten years of 13 sections of Wei River,the water pollution states of the regional water environment of area were analyzed in detail.It was pointed out that the main pollutants were COD,BOD_(5),ion ammonia and petroleum type,and belonged to the organic type of pollution.The main development course of pollutant,develop characteristic and develop law were analyzed,the corresponding environmental protective measures of water were put forward.