基于多層次灰色聚類模型的河流健康綜合評(píng)價(jià)研究
發(fā)布時(shí)間:2018-08-02 12:51
【摘要】:隨著經(jīng)濟(jì)社會(huì)的快速發(fā)展,人類加大了對(duì)河流的開發(fā)利用,但由于保護(hù)不夠或?yàn)E加利用,許多河流出現(xiàn)了不同程度的污染、斷流等問(wèn)題。河流生態(tài)系統(tǒng)的退化,不僅產(chǎn)生了河流的生態(tài)危機(jī),而且也影響河流社會(huì)功能的發(fā)揮。河流與人類生活息息相關(guān),河流的健康關(guān)系到經(jīng)濟(jì)社會(huì)有序、健康、可持續(xù)的發(fā)展。河流健康評(píng)價(jià)研究可以為河流管理提供決策依據(jù)。本文從河流健康的概念出發(fā),構(gòu)建了河流健康評(píng)價(jià)指標(biāo)體系和多層次灰色聚類綜合評(píng)價(jià)模型,并選取實(shí)際流域進(jìn)行初步研究,本文的主要工作內(nèi)容和研究成果如下:(1)根據(jù)河流健康的基本理論,結(jié)合研究區(qū)域的實(shí)際背景,構(gòu)建了三級(jí)遞階層次結(jié)構(gòu)的河流健康評(píng)價(jià)指標(biāo)體系。指標(biāo)體系分為目標(biāo)層、準(zhǔn)則層和指標(biāo)層。目標(biāo)層代表河流健康的整體狀況。準(zhǔn)則層分為“水文情勢(shì)、河流結(jié)構(gòu)、水環(huán)境、水生生物、社會(huì)服務(wù)”5個(gè)方面的內(nèi)容。指標(biāo)層選取了16個(gè)不同特性的指標(biāo)。指標(biāo)以定量為主,定性為輔。確定了相關(guān)評(píng)價(jià)指標(biāo)的表征方法和相應(yīng)的評(píng)價(jià)標(biāo)準(zhǔn)。(2)比較多指標(biāo)綜合評(píng)價(jià)方法的優(yōu)缺點(diǎn),構(gòu)建多層次灰色聚類綜合評(píng)價(jià)模型,給出該方法的具體應(yīng)用步驟,即確定聚類灰類,由中心點(diǎn)三角白化權(quán)函數(shù)計(jì)算聚類系數(shù),最終得到綜合聚類系數(shù),根據(jù)最大值原則,確定河流健康狀況的等級(jí)。比較層次分析法和熵值法的優(yōu)缺點(diǎn),應(yīng)用博弈論的數(shù)學(xué)方法將兩種計(jì)算方法進(jìn)行優(yōu)化和組合,組合賦權(quán)得到的權(quán)重更加合理。(3)針對(duì)研究區(qū)域綦江河流域的實(shí)際情況,對(duì)多層次灰色聚類模型進(jìn)行了實(shí)例應(yīng)用。得到河流的評(píng)價(jià)結(jié)果是綦江河流域的河流健康狀況是“健康”狀態(tài)。河流的形態(tài)結(jié)構(gòu)因素處于“病態(tài)”,河流水環(huán)境,水文情勢(shì)、水生生物、社會(huì)服務(wù)因素處于“健康狀態(tài)”。通過(guò)對(duì)綦江河流域河流健康問(wèn)題的分析,驗(yàn)證了多層次灰色聚類綜合評(píng)價(jià)模型的可行性與合理性。最后,提出相應(yīng)的建議和措施。
[Abstract]:With the rapid development of the economy and society, human beings have increased the exploitation and utilization of rivers. But because of the lack of protection or indiscriminate use, many rivers have appeared in different degrees of pollution and disconnection. The degradation of the river ecosystem not only produces the ecological crisis of the river, but also affects the social function of the river. The river and human life are also affected. The health of rivers is closely related to the orderly, healthy and sustainable development of the economy and society. The river health evaluation research can provide the decision basis for the river management. In this paper, the river health evaluation index system and the multi-level grey clustering comprehensive evaluation model are constructed from the concept of river health. The main work and research results of this paper are as follows: (1) according to the basic theory of river health and the actual background of the study area, the river health evaluation index system of three hierarchical hierarchical structure is constructed. The index system is divided into target layer, standard layer and index layer. The target layer represents the overall health of river health. 5 aspects of "hydrological situation, river structure, water environment, aquatic life, social service". The index layer selects 16 different characteristics. The index is based on quantitative analysis and qualitative is supplemented. (2) the advantages and disadvantages of multi index comprehensive evaluation method are compared, and multi layers are constructed. The concrete application steps of this method are given by the sub grey clustering comprehensive evaluation model, that is to determine the clustering grey class, calculate the clustering coefficient by the triangle whitening weight function of the central point, and finally get the comprehensive clustering coefficient. According to the maximum value principle, the health status of the river is determined. The advantages and disadvantages of the layer analysis and entropy method are compared, and the number of game theory is applied. The study method optimizes and combines the two methods of calculation, and the weight gained by combining empowerment is more reasonable. (3) in view of the actual situation of the Qijiang River Basin in the study area, the multi-layer grey clustering model is applied. The result of the river evaluation is that the river flow health status of the Qijiang river basin is "healthy" state. The structural factors are "sick", river water environment, hydrological situation, aquatic life and social service factors are in a "healthy state". Through the analysis of the health problems of the rivers in the Qijiang River Basin, the feasibility and rationality of the multi-level grey clustering comprehensive evaluation model are verified. The corresponding suggestions and measures are put forward.
【學(xué)位授予單位】:重慶交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:X824
本文編號(hào):2159497
[Abstract]:With the rapid development of the economy and society, human beings have increased the exploitation and utilization of rivers. But because of the lack of protection or indiscriminate use, many rivers have appeared in different degrees of pollution and disconnection. The degradation of the river ecosystem not only produces the ecological crisis of the river, but also affects the social function of the river. The river and human life are also affected. The health of rivers is closely related to the orderly, healthy and sustainable development of the economy and society. The river health evaluation research can provide the decision basis for the river management. In this paper, the river health evaluation index system and the multi-level grey clustering comprehensive evaluation model are constructed from the concept of river health. The main work and research results of this paper are as follows: (1) according to the basic theory of river health and the actual background of the study area, the river health evaluation index system of three hierarchical hierarchical structure is constructed. The index system is divided into target layer, standard layer and index layer. The target layer represents the overall health of river health. 5 aspects of "hydrological situation, river structure, water environment, aquatic life, social service". The index layer selects 16 different characteristics. The index is based on quantitative analysis and qualitative is supplemented. (2) the advantages and disadvantages of multi index comprehensive evaluation method are compared, and multi layers are constructed. The concrete application steps of this method are given by the sub grey clustering comprehensive evaluation model, that is to determine the clustering grey class, calculate the clustering coefficient by the triangle whitening weight function of the central point, and finally get the comprehensive clustering coefficient. According to the maximum value principle, the health status of the river is determined. The advantages and disadvantages of the layer analysis and entropy method are compared, and the number of game theory is applied. The study method optimizes and combines the two methods of calculation, and the weight gained by combining empowerment is more reasonable. (3) in view of the actual situation of the Qijiang River Basin in the study area, the multi-layer grey clustering model is applied. The result of the river evaluation is that the river flow health status of the Qijiang river basin is "healthy" state. The structural factors are "sick", river water environment, hydrological situation, aquatic life and social service factors are in a "healthy state". Through the analysis of the health problems of the rivers in the Qijiang River Basin, the feasibility and rationality of the multi-level grey clustering comprehensive evaluation model are verified. The corresponding suggestions and measures are put forward.
【學(xué)位授予單位】:重慶交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:X824
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1 王備新,楊蓮芳,胡本進(jìn),單林娜;應(yīng)用底棲動(dòng)物完整性指數(shù)B-IBI評(píng)價(jià)溪流健康[J];生態(tài)學(xué)報(bào);2005年06期
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