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天津地面沉降区土水比论述

董克刚, 王威, 于强, 周俊, 陆阳, 易长荣, 郑玉萍

董克刚, 王威, 于强, 周俊, 陆阳, 易长荣, 郑玉萍. 天津地面沉降区土水比论述[J]. 水文地质工程地质, 2008, 35(5): 76-80.
引用本文: 董克刚, 王威, 于强, 周俊, 陆阳, 易长荣, 郑玉萍. 天津地面沉降区土水比论述[J]. 水文地质工程地质, 2008, 35(5): 76-80.
DONGKe-gang, . Ratio of soil loss to groundwater-exploitation in the Tianjin land subsidence area[J]. Hydrogeology & Engineering Geology, 2008, 35(5): 76-80.
Citation: DONGKe-gang, . Ratio of soil loss to groundwater-exploitation in the Tianjin land subsidence area[J]. Hydrogeology & Engineering Geology, 2008, 35(5): 76-80.

天津地面沉降区土水比论述

Ratio of soil loss to groundwater-exploitation in the Tianjin land subsidence area

  • 摘要: 天津市地面沉降分布广,沉降速率大。本文针对当前地面沉降研究和防治过程中所遇到的勘查资料严重缺乏、禁采难以全面实现等难题,提出了土水比指标量。通过概念分析和对多年数据的分析,认为土水比可以检验地下水开采量数据的统计精度,指示地下水资源补给及土层释水条件,并表明沉降的严重程度,反映地下水资源的保障程度。建议在沉降防治工作中,以土水比作为指标,通过相关分析模型来制定压采量。
    Abstract: Land subsidence in Tianjin occurs in a wide region and at a great rate.Since the lack of reconnaissance and the impossibility of groundwater-exploitation forbid have been the major problems and can not be solved at present,a new term called the "ratio of soil loss to groundwater-exploitation" is recommended in this article.From the conception and calculation of the ratio,it is clearly seen that the ratio can be used to test the veracity of statistical data on groundwater-exploitation,indicate the condition of groundwater recharge and drainage from clay soil,and reflect the seriousness of land subsidence and the guarantee of groundwater resources.In addition,it is an advocate to use the ratio to achieve the rational amount of groundwater exploitation with correlation analysis.
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