【摘要】 采用2002年黄河流域流经的主要省区的投入产出表计算研究区以及三产业的用水系数、水足迹和净外部水足迹,结果表明:黄河流域第一产业的直接用水系数和完全用水系数均最高,其次二、三产业;地区间用水系数相差很大;2002年黄河流域的总水足迹是1 461.0亿m3,46.9%缘于地区内最终消费、53.1%缘于资本积累;人均水足迹是359.7 m3.a-1地区差异明显;2002研究区净外部水足迹132.5亿m3,占总水足迹的9.1%.更多还原

【Abstract】 The input-output tables from provinces or antonomous regions along the Yellow River basin in 2002 were used to calculate indicators of water footprint(WF),including water use coefficients,total WF(Spell out WF in brackets!) and net external WF.It was found that: both total and direct water use coefficient for primary industry was on the top of the list,followed by secondary and tertiary industries.Obvious differences in water use coefficients were found for different provinces;The Total WF of the Yellow River basin in 2002 was 1461.0 billion m3,46.9 percent of which was from household consumption,the remainder being from capital accumulation.Per capita WF was 359.7 m3a-1 and differed in provinces.Net external WF of the study region in 2002 was 132.5 billion m3,accounting for 9.1% of total water footprint.更多还原