太湖流域水資源能值計算與研究
發(fā)布時間:2018-03-12 20:42
本文選題:水資源 切入點:資源價值 出處:《蘇州科技學院》2014年碩士論文 論文類型:學位論文
【摘要】:如何定量水資源的資源價值,一直是當前研究的熱點,能值理論與方法的引入,,解決了生態(tài)環(huán)境系統(tǒng)與人類社會系統(tǒng)無法統(tǒng)一度量的壁障,從水資源形成過程的角度度量它的價值,這方面的研究已見報道。然而,對于當前水質(zhì)污染問題的突出,能值理論的研究卻有所欠缺。文中針對太湖水資源主要污染源:面源污染,進行了能值計算與分析,主要研究內(nèi)容和成果如下: (1)從水資源的形成過程出發(fā),考慮人類活動與水資源自然循環(huán)之間的相互作用,對復合系統(tǒng)進行了能量分析。在能量分析的基礎上,介紹了能值理論與方法及對水資源復合系統(tǒng)進行能值分析的方法。 (2)繪制太湖流域水資源能值系統(tǒng)圖,收集太湖流域水資源相關資料及數(shù)據(jù),應用能值理論與方法,計算了2007-2011年流域水資源的資源價值,對流域水資源的價值構(gòu)成及變化趨勢等進行了分析評價,文中計算流域水資源平均能值—貨幣價值為0.82元/m3,在對計算存在缺陷作出修改調(diào)整后,達到1.09元/m3。 (3)針對水質(zhì)面源污染問題,對具體的農(nóng)業(yè)污染源污染過程進行了過程分析?偨Y(jié)文獻資料,提出流域各污染源污染負荷的定量計算方法;將能值理論引入,提出了污染源的能值計算方法及評價指標; (4)選取流域東岸典型城市蘇州市為研究區(qū),收集研究區(qū)2007-2011年資料與數(shù)據(jù),對研究區(qū)主要污染源的氮磷污染負荷進行了定量計算和分析,對具體污染現(xiàn)狀及原因進行了分析; (5)在流域水資源能值轉(zhuǎn)換率及主要污染源污染負荷的計算基礎上,根據(jù)污染過程分析,計算出了主要污染源污染因子氮磷的能值轉(zhuǎn)換率,并結(jié)合污染源生產(chǎn)活動及污染現(xiàn)狀,進行了能值分析與指標評價。計算結(jié)果為污染源污水處理過程的能值分析提供新的參數(shù)和依據(jù); (6)對本文研究成果進行總結(jié),提出研究中存在的問題及進一步研究的方向。
[Abstract]:How to quantify the resource value of water resources has always been the focus of current research. The introduction of emergy theory and method has solved the barrier that ecological environment system and human society system can not be unified measured. The value of water resources is measured from the point of view of the process of water resources formation, which has been reported. However, the current problem of water pollution is prominent. In this paper, the main pollution sources of water resources in Taihu Lake, namely non-point source pollution, are calculated and analyzed. The main research contents and results are as follows:. 1) considering the interaction between human activities and the natural circulation of water resources, the energy analysis of the composite system is carried out based on the energy analysis. This paper introduces the emergy theory and method and the method of emergy analysis for water resources composite system. (2) drawing a map of water resources emergy system in Taihu Lake basin, collecting relevant data and data of water resources in Taihu Lake basin, and applying emergy theory and method to calculate the resource value of water resources in the basin from 2007 to 2011. The value composition and change trend of water resources are analyzed and evaluated. The average emergency-monetary value of water resources is 0.82 yuan / m ~ (3). After modifying and adjusting the calculation defects, it reaches 1.09 yuan / m ~ (3). 3) aiming at the problem of water quality non-point source pollution, this paper analyzes the process of the pollution process of agricultural pollution source, summarizes the literature, puts forward the quantitative calculation method of pollution load of each pollution source in the basin, and introduces the emergy theory into it. The energy value calculation method and evaluation index of pollution source are put forward. 4) selecting Suzhou City, a typical city on the east bank of the basin, as the research area, collecting the data and data from 2007 to 2011, quantitative calculating and analyzing the nitrogen and phosphorus pollution load of the main pollution sources in the study area, and analyzing the specific pollution status and reasons. On the basis of the calculation of the energy conversion rate of water resources and the pollution load of main pollution sources in the basin, the emergy conversion rate of nitrogen and phosphorus of the main pollution sources is calculated according to the analysis of the pollution process, and combined with the production activities of the pollution sources and the present pollution situation, The emergy analysis and index evaluation are carried out. The calculated results provide new parameters and basis for the emergy analysis of the wastewater treatment process of the pollution source. 6) summarize the research results, put forward the existing problems in the research and the direction of further research.
【學位授予單位】:蘇州科技學院
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:X524;TV213.4
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