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Study on Water Consumption Coefficient of People's Living and Its Regional Disparity in the North of China

Chinese Journal of Population,Resources and Environment 2005年第2期3卷 20-26页

作者： wang jing’{2. 1-3. {3. rui 3.4, yang mingchuan 3.4 & zhou junju 11 {12. of geography & remote sensing 2.Key Laboratory of Regional geography of Beijing Normal University 3.Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education of China 4 {12. of Resources Science & Technology, Beijing Normal University, Beijing 100875, China college of geography and {2. {3. Beijing 100048 China Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education of China Beijing 100048 China college of Resources Science and Technology Beijing Normal University Beijing 100875 China

By employing the information-reshufflingmethod that integrates census data, precipitation dataand inquiry data of water consumption, this paperdiscusses 5 (water consumption coefficient of people’sliving) in allusion to different precipitation zones anddifferent periods of time. The study shows that 5-(water consumption coefficient of urban people’sliving), 5. (water consumption coefficient of ruralpeople’s living) and increase with time passing, andthe increasing extent of 5 is 1.84, 2.62. 2.84 and 2.68times respectively from the west to the east, whichresults from the total quantity of water resources andthe speed of urbanization. 5- and 5. of eachprecipitation zone increased with 5- increasing morequickly than 5., and the difference between the twoalso increased when time passed. In the past fifty years(1950-2.00), the increasing extent of 5- was 1.71,2.96, 2.41 and 2.3. times respectively from the westto the east, in which 2.0-400mm precipitation zoneincreased more than others. Meanwhile the increasingextent of 5. is 1.55, 1.60, 1.53.and 1.64 timesrespectively from the west to the east with eachprecipitation zone increasing similarly. The change of5-is due to the speed of urbanization and the stabilityof water resources. This study provides basis forcalculating the water demand of people’s living andrevealing the impact of water demand of people’s livingon ecological drought in different zones.

关键词： The north of China precipitation zone water consumption coefficient of people’s living

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