Under the background of the " Belt and Road ",the water resource vulnerability(WRV)of Guangxi Beibu Gulf Economic Zone(GBGEZ)was calculated by function method from 2015 to 2030 and the impact of the"Belt and Road" on the WRV of GBGEZ was analyzed.The results show that the WRV of GNBEZ is at a " strongly vulnerable 1" level from 2015 to 2030.But the vulnerability index increases from 0.236 to 0.271,an increase of 14.83％,which means the impact of the " Belt and Road " on the WRV of GNBEZ is large and water resources have great pressure on carrying out future social and economic development.Water resources of Beihai City are most vulnerable and the vulnerability index increases from 0.544 to 0.801,an increase of 47.24％.The evaluation level raises from "extremely vulnerable 1" to " extremely vulnerable 2",which means the implementation of the"Belt and Road" has the greatest impact on the WRV of Beihai City.%采用函数法计算2015年和2030年广西北部湾经济区水资源脆弱性,分析"一带一路"实施对该经济区水资源脆弱性的影响.结果表明:经济区水资源脆弱程度在2015年和2030年均处于"强脆弱一级"等级,但是脆弱性指标由0.236提高到0.271,增幅14.83％,"一带一路"的实施对经济区水资源脆弱性影响较大,水资源条件对承载未来社会经济发展存在较大的压力;北海市水资源最为脆弱,脆弱性指标由0.544提高到0.801,增幅47.24％,评价等级由"极脆弱一级"提高到"极脆弱二级",说明"一带一路"实施对北海市水资源脆弱性影响最大.
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