期刊文献+

西藏拉萨—工布江达地区水环境评价及分析

Analysis and evaluation of water environment in Tibetan Lasa-Gongbu Jiangda area
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摘要 为查明研究区地质环境状况及其主要影响因素,水资源和水能资源开发条件,水环境污染源问题,通过选取水指标对区内地质环境背景进行评价。结果显示:研究区水环境质量基本良好,地表水主要以HCO_3-Ca型水为主,总碱度在1~69 mg/L,硬度30~290;测区大部分水pH值为弱碱性,酸性水总体含量约为14%左右。为水土环境质量监控提供有利的依据,对该区矿产资源开发规划布局具有指导意义。 To find out the study area of geological environmental conditions and the main influencing factors,water and water resources development conditions,water pollution problem,the water indexes were selected through the background evaluation of the geological environment in the area. The results showed that the water environment in the research area is very good,the surface water is dominated by HCO_3-Ca water,the total alkalinity is between 1 ~ 69 mg/L,and the hardness of water is between 30 and 290; the water pH in the most area is weak and alkaline,the overall level of acidic water is about 14%. As a basis for monitoring the quality of soil and water environment in the process of mining development,it has provided scientific basis for the layout of mineral resources development in this area.
出处 《能源与环保》 2017年第10期23-26,共4页 CHINA ENERGY AND ENVIRONMENTAL PROTECTION
基金 基金项目:全国地下水资源极其环境问题调查评价(1212010818085)
关键词 研究区 水环境 PH值 弱碱性 水资源 studying area water environment pH value weak alkaline water resources
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