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干旱区发展的资源环境基础评价:以新疆为例   总被引:3,自引:1,他引:2  
张雷  杨波  程晓凌 《干旱区地理》2011,34(5):713-718
作为生态脆弱的干旱地区,新疆的社会经济发展受到资源环境基础的极大制约.一方面,资源环境综合评价的结果表明,新疆的资源环境基础脆弱、要素结构的稳定性差.此种特征决定了新疆的现代化发展有赖于资源环境基础的稳定,其中尤以淡水资源来源和农用地(主要为草场和耕地)的稳定最为重要.另一方面,资源环境空间组合的分析结果表明,北疆和南...  相似文献   
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世界能源产消与流动分析   总被引:3,自引:0,他引:3  
随着全球化的到来,各国都面临着更合理地分配和使用地球上的能源的机遇和挑战。能源的大规模空间流动已经成为不可避免的趋势。对近几十年能源产消与空间流动状态进行分析表明:第一,世界能源生产和消费一直保持大致平衡状态,但空间格局存在很大差异;第二,能源流动主要体现在石油流动;第三,能源空间收敛系数、能源消费结构演进和城市化发展都是能源产消差异和空间流动的重要影响因素.  相似文献   
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中国能源资源开发的时空格局与潜力评价(英文)   总被引:5,自引:2,他引:3  
The issue of China's energy supply security is not only the key problem which affects China's rapid and sustainable development in the 21st century,but also the one which international attention focuses on.Based on the notable characteristic of spatial imbalance between energy production and consumption in China,this paper takes the evolution of China's primary energy resources development(excluding hydropower) from 1949 to 2007 as the study object,with the aim to sum up the evolutive characteristics and laws of China's energy resources development in the past nearly 60 years.Then,based on comprehensive considerations of coal's,oil's and natural gas's basic reserves,qualities,geological conditions,production status,and ecological service function of every province,this paper adopts development potential index(DP)to evaluate the development potential of every province's energy resources,and divide them into different ranks.Conclusions are drawn as follows:(1) Generally speaking,China's gross energy production was increasing in waves from 1949 to 2007.From the viewpoint of spatial patterns,China's energy resources development has shown a characteristic of "concentrating to the north and central areas,and evolving from linear-shaped to "T-shaped" pattern gradually since 1949.(2) The structure evolution of China's energy resources development in general has shown a trend of "coal proportion is dominant but decreasing,while oil and gas proportions are increasing" since 1949.(3) At the provincial scale,China's energy resources development potential could be divided into large,sub-large,general and small ranks,four in all.In the future,the spatial pattern of China's energy production will evolve from "T-shaped" to "∏-shaped pattern".These conclusions will help to clarify the temporal and spatial characteristics and laws of China's energy resources development,and will be beneficial for China to design scientific and rational energy development strategies and plans,coordinate spatial imbalance of energy production and consumption,ensure national energy supply,avoid energy resources waste and disorderly development,and promote regional sustainable development under the globalization background with changeful international energy market.  相似文献   
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结构与效率因素对内蒙古能源强度变动的影响   总被引:2,自引:0,他引:2  
计量分析能源强度变动的影响因素可为未来寻找节能途径提供参考.采用能源强度变化的完全分解模型,以1985-2006年为样本期,对影响内蒙古能源强度变化的结构因素和效率因素进行了计算.结果表明:在整个样本期内,结构因素始终是促使内蒙古能源强度上升的因素;而效率因素的作用则呈现出阶段性特征,2000年以前,效率因素起到了很好的节能效果,而之后则对能源强度的上升却表现出正向作用.因此,未来一段时期内,调整产业和产品结构,是内蒙古节能降耗的最大潜力所在;效率节能虽已取得较好效果,但仍有潜力可挖.  相似文献   
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