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三峡井网井水位固体潮汐和气压响应特征研究 被引量:4

STUDY ON WATER-WELL EARTH TIDE AND ATMOSPHERIC RESPONSE IN THREE GORGES WELL NETWORK
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摘要 计算了长江三峡工程地下水动态观测井网(8口)井水位的潮汐、气压响应特征、气压系数以及含水层参数。研究认为,三峡井网各井点由于选址较好,具有较好的水文地质条件,含水岩体弹性模量较大,低孔隙度储水系数、压缩系数较强,井孔水位能灵敏反映应力、应变的微变化。 On the basis of analysis of the change of water level related to earth tide, atmospheric pressure at 8 stations among the the ground water monitoring well network in the Three Gorges, the sensitivity of response to earth tide, co-efficient of atmospheric pressure are cauculated. It can be shown that because of the particular well location, high elastic modulus,low porosity and high compressibility coefficient, the water well is quite sensitive to small stress-strain variations.
出处 《大地测量与地球动力学》 CSCD 北大核心 2008年第5期45-49,共5页 Journal of Geodesy and Geodynamics
基金 科技部公益研究专项(2006BAC01B04-02-02)
关键词 三峡井网 固体潮汐 气压响应 应力 应变 the Three Gorges well network earth tide atmospheric response stress strain
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