系统工程理论与实践
繫統工程理論與實踐
계통공정이론여실천
Systems Engineering—Theory & Practice
2010年
7期
1293~1298
,共null页
水资源生态经济系统 能值分析 可持续发展评价 郑州市
水資源生態經濟繫統 能值分析 可持續髮展評價 鄭州市
수자원생태경제계통 능치분석 가지속발전평개 정주시
water ecological-economic system; emergy analysis; sustainability development assessment Zhengzhou
针对传统能量分析和经济分析方法无法合理评价生态经济系统内不同种类的能量或物质釜实贡献的局限性,引入生态经济学的能值分析方法,以能值为量纲核算系统的能量流、物质流及货币流,建立能值指标体系,量化、评价系统发展所处的阶段和程度,为区域水资源生态经济系统,持续发展评价提供新的手段和方法.郑州市实例应用显示,郑州市水资源生态经济系统有;值可持续藉标为0.82,处于消费型阶段,水资源人口承载力为83万人,远远低于实际人口数,水资源压力很大,郑州市水资源生态经济系统尚未进入可持续发展阶段.
針對傳統能量分析和經濟分析方法無法閤理評價生態經濟繫統內不同種類的能量或物質釜實貢獻的跼限性,引入生態經濟學的能值分析方法,以能值為量綱覈算繫統的能量流、物質流及貨幣流,建立能值指標體繫,量化、評價繫統髮展所處的階段和程度,為區域水資源生態經濟繫統,持續髮展評價提供新的手段和方法.鄭州市實例應用顯示,鄭州市水資源生態經濟繫統有;值可持續藉標為0.82,處于消費型階段,水資源人口承載力為83萬人,遠遠低于實際人口數,水資源壓力很大,鄭州市水資源生態經濟繫統尚未進入可持續髮展階段.
침대전통능량분석화경제분석방법무법합리평개생태경제계통내불동충류적능량혹물질부실공헌적국한성,인입생태경제학적능치분석방법,이능치위량강핵산계통적능량류、물질류급화폐류,건립능치지표체계,양화、평개계통발전소처적계단화정도,위구역수자원생태경제계통,지속발전평개제공신적수단화방법.정주시실례응용현시,정주시수자원생태경제계통유;치가지속자표위0.82,처우소비형계단,수자원인구승재력위83만인,원원저우실제인구수,수자원압력흔대,정주시수자원생태경제계통상미진입가지속발전계단.
Regional water ecological-economics system (RWEES) is the coupling system of traditional water resource system and eco-environment, social economy system. The development and utilization of water resources is realized in RWEES. Sustainable development assessment of RWEES is a basic method for the evaluation of sustainable water utilization, and also important for water resources macro-control. However, because of inherent limitations of traditional assessment methods,an accurate evaluation of coupling system can't be obtained. Emergy analysis is used here in order to provide a deeper understanding of RWEES. The energy, material and currency of RWEES are studied in the unit of emergy and the development degree of RWEES is quantified by a series of emergy indices. Emergy analysis supplies a new means for sustainable development assessment of RWEES. As an example, Zhengzhou water ecological-economics system is studied. The ESI of Zbengzhou WEES is 0.82 and the water resources population carrying capacity is 83000 people, which demonstrate that this system is in heavy pressure of water resources and is not sustainable.