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首页> 外文期刊>Journal of Water and Environment Technology >Evaluation of the Effects and the Programming of 'Water Conservation Plan' (WCP) for Total Water Resources Management in Tokyo
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Evaluation of the Effects and the Programming of 'Water Conservation Plan' (WCP) for Total Water Resources Management in Tokyo

机译:东京水资源综合管理“节水计划”(WCP)的效果评估和规划

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In major cities, rapid urbanization due to population and economic growth generally cause increase in water demand. Furthermore, lifestyle change encourages per capita water consumption to increase. The government tends to have policies that support increasing capacity to response to rising demand but this requires huge funding and several other problems such as opposition by environmentalist. To overcome these problems, water demand should decrease especially by reducing per capita water consumption through water conservation. On such basis, this paper focuses on the evaluation of 'Water Conservation Plan' (WCP) implemented by Tokyo Metropolitan Government (TMG). Tokyo faced tight water resources problem during the high economic growth period around 1960s. However, by incorporating both supply and demand side control measures in WCP, Tokyo became advanced in water resources management and now has excess water supply to meet the demands. Tokyo managed to reduce the per capita water consumption to about 171 L/p/d or more in 30 years. But due to pushing-up factors, which contributed 89.5 L/p/d of increment, the actual reduction was equivalent to 81 L/p/d or 19% reduction rate. Total supply side measures are almost equal to demand side measures where the weightage is 44:56 respectively. Hence, the authors analyze the effects of WCP from the viewpoint of supply and demand side control.
机译:在大城市,由于人口和经济增长而导致的快速城市化通常会导致需水量增加。此外,生活方式的改变促使人均用水量增加。政府倾向于制定支持增加的能力以应对不断增长的需求的政策,但这需要大量的资金和其他一些问题,例如环保主义者的反对。为了克服这些问题,需水量应减少,尤其是通过节水减少人均用水量。在此基础上,本文重点研究了东京都政府(TMG)实施的“节水计划”(WCP)。在1960年代左右的高速经济增长时期,东京面临着严峻的水资源问题。但是,通过在供水控制计划中纳入供需双方的控制措施,东京在水资源管理方面取得了进步,现在拥有的供水量可以满足需求。东京设法在30年内将人均用水量减少到171 L / p / d或更多。但是由于推升因素,造成了89.5 L / p / d的增量,实际减少量相当于81 L / p / d或减少率19%。总的供应方措施几乎等于权重分别为44:56的需求方措施。因此,作者从供需侧控制的角度分析了WCP的效果。

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