本文選題：城市生態(tài)經(jīng)濟(jì)系統(tǒng) + 能值分析理論�。� 參考：《山西師范大學(xué)》2017年碩士論文

【摘要】：城市生態(tài)經(jīng)濟(jì)系統(tǒng)可持續(xù)發(fā)展的定量分析,一直是地理界研究的熱點(diǎn)問題之一。城市生態(tài)經(jīng)濟(jì)系統(tǒng)作為一個(gè)復(fù)合系統(tǒng)對其可持續(xù)發(fā)展定量評價(jià)的難點(diǎn)在于如何將系統(tǒng)中不同來源和性質(zhì)的能量流轉(zhuǎn)化為同種能量流進(jìn)行統(tǒng)一評價(jià)。能值分析理論的出現(xiàn)恰恰解決了這一難題,其能夠?qū)⒉煌再|(zhì)的能量流轉(zhuǎn)換為同一種能流量,進(jìn)行定量評價(jià)。本文將能值分析理論運(yùn)用到威海市生態(tài)經(jīng)濟(jì)系統(tǒng)可持續(xù)發(fā)展能力的評價(jià)中,根據(jù)威海市的實(shí)際情況構(gòu)建客觀合理的指標(biāo)體系,對威海市生態(tài)經(jīng)濟(jì)系統(tǒng)進(jìn)行定量的靜態(tài)評價(jià)、動(dòng)態(tài)評價(jià)、對比評價(jià),對系統(tǒng)可持續(xù)發(fā)展能力的評價(jià)以ESI和EISD指標(biāo)為主,ELR、EWR指標(biāo)為輔力求實(shí)現(xiàn)評價(jià)的客觀性,在評價(jià)過程中發(fā)現(xiàn)諸多問題,并得出以下結(jié)論:威海市2013年能值總量為2.0081E+23sej,可更新資源能值為6.6605E+22sej,不可更新資源能值為1.0580E+23sej,經(jīng)濟(jì)反饋輸入能值為2.8409E+22sej,以上三部分占能值總量的百分比分別為26.35%、52.69%、20.78%。系統(tǒng)中的廢棄物能值占能值總量的0.19%。從能值總量的構(gòu)成來看,系統(tǒng)應(yīng)該降低不可更新資源能值比重,減輕系統(tǒng)環(huán)境負(fù)載增加系統(tǒng)可持續(xù)發(fā)展的能力。能值反饋輸出能值在數(shù)值上是反饋輸入能值的3.27倍。系統(tǒng)環(huán)境負(fù)載率為2.0209表明整個(gè)系統(tǒng)的環(huán)境負(fù)荷狀態(tài)較低,在系統(tǒng)承受范圍之內(nèi),但需要引起注意。能值可持續(xù)發(fā)展指標(biāo)(ESI)和系統(tǒng)可持續(xù)發(fā)展能力指標(biāo)(EISD)分別為3.4967、1.0709,這表明系統(tǒng)處于可持續(xù)發(fā)展?fàn)顟B(tài)中,但可持續(xù)發(fā)展的能力屬于中等強(qiáng)度,可持續(xù)發(fā)展能力有待提高。威海市在與部分國家和地區(qū)的橫向?qū)Ρ戎邪l(fā)現(xiàn):威海市的人均能值使用量和電力能值比率遠(yuǎn)遠(yuǎn)高于中國以及世界平均水平,電力能值比率接近于美國的平均水平;威海市的能值自給率要高于我國中東部地區(qū)的大部分省市,卻要低于我國中西部地區(qū)的大部分省市;能值貨幣比率要遠(yuǎn)遠(yuǎn)低于世界平均水平和我國大部分省市,但要略高于青島、上海等個(gè)別東部沿海城市。環(huán)境負(fù)載率要低于中國與美國的平均水平但卻要高于世界平均水平。威海市2005—2014年中,生態(tài)經(jīng)濟(jì)系統(tǒng)呈現(xiàn)以下動(dòng)態(tài)現(xiàn)象:(1)十年中威海市的能值總量、經(jīng)濟(jì)反饋輸出能值、不可更新資源能值總體呈現(xiàn)增加的態(tài)勢,可更新資源能值和經(jīng)濟(jì)反饋輸入能值總體變化平穩(wěn)。生態(tài)經(jīng)濟(jì)系統(tǒng)的能值流量結(jié)構(gòu)變化表明:威海市生態(tài)經(jīng)濟(jì)系統(tǒng)中的高品質(zhì)的能值不斷流出,雖然整個(gè)系統(tǒng)的能值總量在增加,但是系統(tǒng)真正獲得相對能值財(cái)富在持續(xù)減少。(2)十年中威海市的環(huán)境負(fù)載率總體呈現(xiàn)不斷上升的趨勢這表明:威海市在社會(huì)經(jīng)濟(jì)快速發(fā)展的同時(shí)自然生態(tài)系統(tǒng)正在承受著越來越大的環(huán)境壓力。(3)十年中威海市生態(tài)經(jīng)濟(jì)系統(tǒng)可持續(xù)發(fā)展能值,在反復(fù)波動(dòng)中呈現(xiàn)減弱的趨勢,應(yīng)該引起重視。
[Abstract]:The quantitative analysis of the sustainable development of urban eco-economic system has always been one of the hot issues in the field of geography. As a complex system, it is difficult to quantitatively evaluate the sustainable development of urban eco-economic system. The difficulty lies in how to transform the energy flow from different sources and properties of the system into the same energy flow for unified evaluation. The emergence of emergy analysis theory solves this problem. It can transform different energy flow into the same energy flow and evaluate quantitatively. In this paper, the theory of emergy analysis is applied to the evaluation of the sustainable development ability of the ecological economy system in Weihai City. According to the actual situation of Weihai City, the objective and reasonable index system is constructed, and the quantitative static evaluation of the ecological economy system of Weihai City is carried out. Dynamic evaluation, comparative evaluation, the evaluation of system sustainable development ability is supplemented by ESI and EISD indexes, and the objectivity of evaluation is realized. Many problems are found in the process of evaluation. The following conclusions are drawn: the total energy value of Weihai in 2013 is 2.0081E 23sej. the renewable resource energy is 6.6605E 22sej. the non-renewable resource energy is 1.0580E 23sej. the economic feedback input energy is 2.8409E 22sej. the percentage of the above three parts in the total energy value is 26.3552.69e and 20.78. respectively. The energy value of waste in the system accounts for 0.19% of the total energy value. From the composition of the total emergy amount, the system should reduce the proportion of non-renewable resource emergy and reduce the system environment load to increase the ability of sustainable development of the system. The emergy feedback output emergy is 3.27 times as much as the feedback input emergy. The system environment load ratio of 2.0209 indicates that the environment load state of the whole system is relatively low, which is within the range of system bearing, but it needs to be paid attention to. The emergy sustainable development index (ESI) and the system sustainable development capability index (EISD) were 3.4967 / 1.0709, respectively, which indicated that the system was in the state of sustainable development, but the ability of sustainable development was moderate, and the ability of sustainable development needed to be improved. The horizontal comparison between Weihai City and some countries and regions shows that the per capita energy use and the power emergy ratio of Weihai City are much higher than the average of China and the world, and the power energy value ratio is close to the average level of the United States; The emergy self-sufficiency rate of Weihai City is higher than that of most provinces and cities in the central and eastern regions of China, but lower than that of most provinces and cities in the central and western regions of China. The ratio of emergy currencies is far lower than the world average and most provinces and cities in China. But to be slightly higher than Qingdao, Shanghai and other eastern coastal cities. Environmental load rates are lower than the average for China and the United States but higher than the world average. In the period 2005-2014 of Weihai City, the eco-economic system presented the following dynamic phenomenon: 1) the total energy value of Weihai City in ten years, the output energy value of economic feedback, the energy value of non-renewable resources showed an overall increasing trend. Renewable resource emergy and economic feedback input emergy changes steadily. The change of emergy flow structure of eco-economic system shows that the emergy of high quality in Weihai eco-economic system is constantly flowing out, although the total emergy of the whole system is increasing, But the environmental load rate of Weihai City has been increasing in the past ten years, which indicates that the natural ecosystem is developing rapidly in Weihai City while the social economy is developing rapidly. Under increasing environmental pressure) in the past ten years, the sustainable development of the ecological and economic system of Weihai City has been valued. The trend of weakening in the repeated fluctuation should be paid attention to.
【學(xué)位授予單位】：山西師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：X22;F124.5

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