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Drivers of Water Use in the Agricultural Sector of the European Union 27

机译：欧盟农业部门的用水司机27

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摘要

Population growth and the uncertain hazards that accompany climate change have put increasing pressure on the management and sustain ability of water. It has a direct impact on agriculture and its domestic and international supply chain linkages. As one of the largest agricultural producers in the world, the European Union (EU) is particularly sensitive to changes in water availability. Therefore, we perform a structural decomposition analysis based on the recently released EXIOBASE 3 database to examine in depth how changes in water input coefficients, in final demand and in technology have affected changes in water use across crops. Crop production consumes 99% of the direct water in agriculture. Our results show that the largest EU crop producers have experienced an increase in water use that is mostly driven by changes in technology. On the other hand, several Mediterranean countries, where water scarcity has been a problem for years, have decreased their water consumption mostly thanks to an improvement in their water intensity. Results by crop are consistent with those at the aggregated level except for vegetables of which water use changes have been primarily driven by changes in final demand and water intensity.
机译：人口增长和伴随气候变化的不确定危害对水的管理和维持水资源造成了越来越大的压力。它对农业及其国内和国际供应链联系产生了直接影响。作为世界上最大的农业生产商之一，欧盟（EU）对水可用性的变化特别敏感。因此，我们基于最近释放的ExioBase 3数据库进行结构分解分析，深入研究水输入系数的变化，最终需求和技术在农作物中的用水影响。作物生产消耗农业的99％的直接水。我们的研究结果表明，最大的欧盟作物生产商经历了主要由技术变化​​驱动的供水量增加。另一方面，几个地中海国家，水资源稀缺在几年来的问题中，由于改善了他们的水强度，水消耗量会降低。作物的结果与聚集水平的结果一致，除了蔬菜的蔬菜主要是通过最终需求和水强度的变化而导致的。

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  • 来源
    《Environmental Science & Technology》 |2020年第15期|9191-9199|共9页
  • 作者

    Maria Gerveni; Andre Fernandes Tomon Avelino; Sandy Dallerba;

  • 作者单位

    Department of Agricultural and Consumer Economics Regional Economics Applications Laboratory University of Illinois at Urbana-Champaign Urbana Illinois 61801 United States;

    National Renewable Energy Laboratory Golden Colorado 80401 United States;

    Department of Agricultural and Consumer Economics Regional Economics Applications Laboratory University of Illinois at Urbana-Champaign Urbana Illinois 61801 United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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