發(fā)布時(shí)間：2018-03-28 16:11

  本文選題：木里地區(qū)　切入點(diǎn)：水文地質(zhì)條件　出處：《西安科技大學(xué)》2017年碩士論文

【摘要】：青藏高原地區(qū)水資源豐富,是我國最主要的水源地和全國生態(tài)安全的重要屏障。但近年來由于環(huán)境保護(hù)不足和利用水平低,青藏高原正面臨著冰川退縮、雪線上升、湖泊萎縮干涸、河流徑流量減小、斷流,沼澤消失等生態(tài)問題,高原整體水生態(tài)水環(huán)境急劇惡化。青藏高原水資源的開發(fā)利用急需妥善處置。本文以青海省木里地區(qū)為例,在充分搜集已有成果資料的基礎(chǔ)上,通過水文地質(zhì)調(diào)查、水質(zhì)分析等手段,運(yùn)用內(nèi)梅羅綜合指數(shù)法、綜合評(píng)分法等手段對(duì)研究區(qū)水文地質(zhì)條件和水資源污染現(xiàn)狀進(jìn)行評(píng)價(jià),基本查明研究區(qū)地下水的分布范圍、埋藏和賦存條件以及不同含水巖組的巖性、富水性和水質(zhì)特征等,確定斷裂構(gòu)造融區(qū)水位置,查明斷裂構(gòu)造融區(qū)水的水質(zhì)、水量等特征,通過對(duì)不同斷面水環(huán)境狀況的對(duì)比,綜合分析了本區(qū)地表水、地下水的水文地質(zhì)、環(huán)境地質(zhì)條件和污染源分布特征,并結(jié)合木里鎮(zhèn)水源地規(guī)模、供水規(guī)劃等具體情況,確定了木里鎮(zhèn)的供水水源地,分析了當(dāng)前該地區(qū)水資源開發(fā)利用現(xiàn)狀及存在問題,并為下一步水環(huán)境保護(hù)提供建議。
[Abstract]:The Qinghai-Tibet Plateau is rich in water resources, which is the most important source of water and an important barrier to national ecological security. But in recent years, due to inadequate environmental protection and low utilization level, the Qinghai-Tibet Plateau is facing the retreat of glaciers and the rise of snow lines. The lake shrinks and dries up, the river runoff decreases, the river runoff decreases, the marshes disappear and the ecological water environment of the whole plateau deteriorates sharply. The exploitation and utilization of water resources in the Qinghai-Tibet Plateau are in urgent need of proper disposal. This paper takes the Muli area of Qinghai Province as an example. On the basis of fully collecting the existing achievements, by means of hydrogeological investigation and water quality analysis, the hydrogeological conditions and the status of water resources pollution in the study area are evaluated by means of Nemero comprehensive index method and comprehensive scoring method. Basically ascertaining the distribution range, burial and storage conditions of groundwater in the study area, lithology, water enrichment and water quality characteristics of different water-bearing rock groups, determining the location of water in the zone of fracture structure melting, ascertaining the characteristics of water quality and quantity of water in the zone of fracture structure melting, etc. By comparing the water environmental conditions of different sections, the hydrogeology, environmental geological conditions and pollution source distribution characteristics of surface water and groundwater in this area are comprehensively analyzed, and combined with the specific situation of water source scale and water supply planning in Muli Town, etc. The source of water supply in Muli Town is determined, the present situation and problems of water resources exploitation and utilization in this area are analyzed, and suggestions for the protection of water environment in the next step are provided.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：P641

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