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.
出处
《安徽农业科学》
CAS
北大核心
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)
关键词
能值
能值分析
能值指标
Emergy
Emergy analysis
Emergy indices