西北干旱区能值分析理论及应用  

Analysis and Application of Emergy Theory in Arid Region in Northwest

作　　者：石惠春[1,2] 孙宏山[1] 甘世民[3] 

机构地区：[1]西北师范大学地理与环境科学学院,甘肃兰州730070 [2]兰州大学资源与环境科学学院,甘肃兰州730000 [3]甘肃省白银市银光中学,甘肃白银730900

出　　处：《安徽农业科学》2010年第15期8125-8127,8199,共4页Journal of Anhui Agricultural Sciences

基　　金：国家科技部科技支撑课题(2007BAD46B08);国家基础科学人才培养基金冰川学冻土学特殊学科点(J0630966);甘肃省自然基金(3ZS041-A25-002);甘肃省科技支撑计划项目(2007BAD46B08)

摘　　要：通过综述对能值分析的国内外研究现状,详细介绍能值及各项指标的基本概念及判断标准,结合西北干旱区能值分析的特点,总结出能值分析在应用于西北干旱区特殊地域范围时应该注意的问题,并提出相关建议与对策,最后展望了能值分析的研究方向。Trough summarizing the research status of emergy at home and abroad,the basic connotation and judgment standard of emergy and indices were introduced in detail.Combining with characteristics of mergy analysis in arid region in Northwest,the problems which should be pay attention to and the corresponding countermeasures were put forward.Finally,study direction of emergy analysis was forecasted.

关 键 词：能值 能值分析 能值指标 

分 类 号：F327[经济管理—产业经济]