基于不同受纳水体的湖南省农业灰水足迹分析
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X502

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国家自然科学基金(41571100);湖南省重点学科(地理学)建设项目


Analysis of agricultural grey water footprint in Hunan Province based on different receiving water bodies
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    摘要:

    提出基于不同受纳水体的灰水足迹,引入水环境荷载指数,计算1985—2013年湖南省农业生产造成的灰水足迹,比较该省地表和地下水的污染状况。并使用IPAT模型,将灰水足迹与农业经济发展和技术进步结合分析,为湖南省的水环境保护和农业可持续发展决策提供参考。结果表明:近29年来湖南省农业生产造成的灰水足迹呈递增趋势,地表与地下水灰水足迹之比约为7∶3;地表水环境荷载指数较低,环境状况优于地下水,但两水体的环境状况都呈现恶化趋势;湖南省农业可持续发展经历了3个阶段,初期技术进步占据主导,中后期农业经济发展加速,而农业技术则在经过瓶颈阶段后重获发展。

    Abstract:

    A concept of the grey water footprint based on different receiving water bodies is proposed, and the water environment load index is introduced. We calculated the grey water footprint caused by agricultural production in Hunan Province during the period from 1985 to 2013, and compared the statuses of surface water pollution and groundwater pollution in this province. Using the IPAT model, we analyzed the grey water footprint jointly with the agricultural economy and agricultural technology, providing references for water environment protection and agricultural sustainable development in Hunan Province. The results show the following: over the last 29 years, the grey water footprint caused by agricultural production in Hunan Province has shown an increasing trend; the ratio of the grey water footprint of surface water to the grey water footprint of groundwater has been about 7∶3; and the surface water environment load index has been lower than the groundwater environment load index, indicating that the environmental condition of surface water was better than that of groundwater, but both showed a deteriorating trend. The sustainable development of agriculture in Hunan Province has experienced three stages: in the first stage, agricultural technology developed faster than the agricultural economy; in the middle and later stages, the development of the agricultural economy accelerated; and in the last stage, agricultural technology resumed development after experiencing a bottleneck period.

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王丹阳,李景保,叶亚亚,等.基于不同受纳水体的湖南省农业灰水足迹分析[J].水资源保护,2016,32(4):49-54.(WANG Danyang, LI Jingbao, YE Yaya, et al. Analysis of agricultural grey water footprint in Hunan Province based on different receiving water bodies[J]. Water Resources Protection,2016,32(4):49-54.(in Chinese))

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  • 收稿日期:2015-10-08
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  • 在线发布日期: 2016-07-13
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