河南农村黑臭水体及影响因素调查与分析

农村黑臭水体的存在一直阻碍着农村经济发展以及农村居民生活质量的提升。通过实地调研与问卷调查相结合的方式,对河南省农村84个水体进行信息采集,参考了黑臭程度,水体面积,水体污染类型等指标。结果显示所调研水体内轻度黑臭53.57%、中度黑臭27.38%,重度黑臭19.05%,整体呈现轻至中度黑臭;分析5种污染类型地区占比和特点,发现了工业废水污染相较于其他4种污染类型与人口密度呈更高的正相关关系;水体面积与污染程度呈一定负相关关系。通过了解河南农村污染水体基础信息,推动河南省农村黑臭水体治理修复工作。

Investigation and Analysis of the Present Situation of Water Body in Rural Areas of Henan Province

The existence of black and odorous water body in rural areas has been hindering the development of rural economy and the improvement of rural residents'living quality.In this paper,information is collected from 84 water bodies in rural areas of Henan Province by means of field investigations and questionnaires.It refers to the black smelly degree,water area and pollution type.The black and odorous water in Henan Province in mild black smelly accounts for 27.38%,53.57%is moderate black smelly,heavy black smelly water accounts for 19.05%,the overall water presents light to moderate black odor characteristics.After analyzing five types of pollution area and the characteristic,it is found that industrial wastewater pollution has a higher positive correlation with population density than other four pollution types.There is a negative correlation between water area and pollution degree.Through understanding the basic information of rural polluted water in Henan Province,it will promote the treatment and restoration of black and odorous water bodies in rural areas in Henan Province.