地球科学进展 ›› 2004, Vol. 19 ›› Issue (4): 577 -584. doi: 10.11867/j.issn.1001-8166.2004.04.0577

研究论文 上一篇    下一篇

虚拟水理论方法与西北4省(区)虚拟水实证研究
龙爱华 1;徐中民 1,2;张志强 3   
  1. 1.中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室,甘肃 兰州 730000;2.鸟取大学干旱区土地研究中心,1390 浜坂 鸟取,680,日本;3.中国科学院资源环境科学信息中心,甘肃 兰州 730000
  • 收稿日期:2003-07-04 修回日期:2003-12-15 出版日期:2004-08-01
  • 通讯作者: 龙爱华(1976-),男,湖南安仁人,博士研究生,主要从事水资源管理与生态经济研究. E-mail:E-mail: ahlong@ns.lzb.ac.cn
  • 基金资助:

    国家自然科学基金重点项目“环境变化条件下干旱区内陆河流域水资源可持续利用研究”(编号:40235053);国家自然科学基金项目“基于环境经济帐户的可持续发展评价——以张掖地区为例”(编号:40201019)资助.

THEORY AND METHOD OF VIRTUAL WATER: A CASE STUDY OF NORTHWEST CHINA

LONG Ai-hua 1; XU Zhong-min 1,2;ZHANG Zhi-qiang 3   

  1. 1.State key laboratory of frozen soil engineering, CAREERI, CAS, Lanzhou 730000,China;2. Arid Land Research Center, Tottori University,1390 Hamasaka,Tottori 680,Japan;3. Scientific Information Center for Resources and Environment, CAS, Lanzhou 730000, China
  • Received:2003-07-04 Revised:2003-12-15 Online:2004-08-01 Published:2004-08-01

虚拟水是水资源管理研究中的新概念,是指生产商品和服务所需要的水资源数量;虚拟水战略是指缺水国家或地区通过贸易的方式从富水国家或地区购买水密集型产品(粮食)来获得本地水和粮食的安全。引入了虚拟水的概念,简要介绍了当前国际虚拟水研究进展和计算方法。同时结合西北地区的实际情况和资料的可获得性,计算了2000年新疆、青海、甘肃、陕西4省(区)居民消费的虚拟水数量和人均虚拟水消费情况,并分析了虚拟水战略对西北地区解决水资源短缺问题的政策涵义,最后分析了虚拟水战略的优劣,并提出了西北地区应用虚拟水战略的前景和有关措施.

the water used in the production process of an agricultural or industrial product is calledthe "virtual water" contained in the product, and virtual water strategy means countries or regions whose water is scarce achieve their water security and food security by importing waterintensive products from those whose water is abundant. As an attractive instrument to water scarce countries, virtual water has received more and more attention and been applied to relieve the pressure on the nation's own water resource and solve food scarcity. The paper introduced the concept of virtual water first, then the framework of virtual water research and in advance , then illustrated the virtual water content calculation methods of kinds of products. As a case, the paper calculated the virtual water consumption of the very four provinces according the actual situations and the accessibility of data in northwest China in year 2000. Some discussions were conducted, especially the policy implications of virtual water strategy for northwest arid China. The paper ended with some summaries and suggestions such as strengthening the virtual water research, establishing the regional policy supporting system, innovating the water management mechanisms, applying the virtual water strategy in some potential regions gradually, and so on.

中图分类号: 

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