基于能值分析的典型石漠化地区可持续发展评价

发布时间：2019-03-20 18:38

【摘要】：石漠化制约着云南、贵州、广西三个省区的发展。应用能值分析法,以经济和环境资料为主,辅以遥感和GIS获取能值分析所需的数据,编制能值分析表,计算2000和2009年典型石漠化地区生态经济系统能值流,得出石漠化省区资源环境能值、环境负荷率(ELR)、能值产出率(EYR)、能值产出比(ENR)等统计指标,进一步计算构建可持续指数(ESI)、改进的可持续指数(MESI)和可持续年限(ST)等指标。2009年广西、贵州、云南的主要资源环境能值分别为9.6E+25、1.2E+26、1.5E+26sej,可更新资源能值为9.9E+22、7.3E+22、2.0E+23sej,废弃物能值2.1E+22、1.1E+22、1.4E+22sej。结果表明:石漠化地区的ESI和MSEI都具有经济落后地区的显著特征,其ESI的时空演变趋势(0.07)显著低于全国ESI的平均趋势(0.41),石漠化地区可持续发展要稍好于全国平均值,而区域可持续年限从2000年的平均超过100年缩减为2009年的不足50年。
[Abstract]:Rocky desertification restricts the development of Yunnan, Guizhou and Guangxi provinces. Based on the economic and environmental data, remote sensing and GIS are used to obtain the data needed for the energy analysis, and the energy flow of eco-economic systems in typical rocky desertification areas in 2000 and 2009 is calculated by means of the energy analysis method, and the energy analysis table is compiled and the energy flow of the eco-economic system is calculated. The statistical indexes such as the energy value of resources and environment, the energy value of environmental load rate (ELR), the output rate of (EYR), energy value and the output ratio of (EYR), energy value of rocky desertification province are obtained, and the sustainable index (ESI), is further calculated. In 2009, the main resource and environment energy values of Guangxi, Guizhou and Yunnan were 9.6e 25,1.2E 26,1.5e 26sej respectively, and the renewable resource energy values were 9.9e 22,7.3E 22,2.0E 23sej.In 2009, the main resource environmental energy values of Guangxi, Guizhou and Yunnan were 9.9e 22,7.3E 22,2.0E 23sej, respectively. The energy value of waste is 2.1 E 22, 1.1 E 22, 1.4 E 22 sej. The results show that both ESI and MSEI in rocky desertification areas are characterized by economic backwardness, and the temporal and spatial evolution trend of ESI (0.07) is significantly lower than the average trend of national ESI (0.41). The sustainable development of rocky desertification areas is slightly better than the national average, and the regional sustainable years are reduced from an average of more than 100 years in 2000 to less than 50 years in 2009.
【作者单位】：贵州师范学院区域旅游研究所;中国科学院遥感与数字地球研究所;
【基金】：国家十二五科技支撑重大项目(2011BAC09B01) 乌当科技局项目(2012乌科技合同字第48号)资助
【分类号】：F062.2

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