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地震 ›› 2024, Vol. 44 ›› Issue (3): 86-95.doi: 10.12196/j.issn.1000-3274.2024.03.006

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内蒙古通辽地震观测井水位和水温准同步变化机理分析

丁风和1, 韩晓雷2, 戴勇2, 朱鹏涛1   

  1. 1.宁夏回族自治区地震局, 宁夏 银川 750001;
    2.内蒙古自治区地震局, 内蒙古 呼和浩特 010010
  • 收稿日期:2024-02-20 接受日期:2024-06-11 出版日期:2024-07-31 发布日期:2024-08-28
  • 作者简介:丁风和(1977-), 男, 宁夏吴忠人, 正高级工程师, 主要从事地震地下流体研究。
  • 基金资助:
    宁夏自然科学基金项目(2023AAC03810, 2022AAC03693, 2020AAC03438); 地震科技星火计划项目(XH19048)

Mechanism Analysis of Quasi Synchronous Changes in Water Level and Water Temperature in Tongliao Earthquake Observation Well in Inner Mongolia

DING Feng-he1, HAN Xiao-lei2, DAI Yong2, ZHU Peng-tao1   

  1. 1. Earthquake Agency of Ningxia Hui Autonomous Region, Yinchuan 750001, China;
    2. Earthquake Agency of Inner Mongolia Autonomous Region, Hohhot 010010, China
  • Received:2024-02-20 Accepted:2024-06-11 Online:2024-07-31 Published:2024-08-28

摘要: 利用区域水文地质资料、 水温梯度测试结果、 区域地下水开采和降水等数据, 分析了影响内蒙古通辽地震观测井水位和温度多年与年际变化的因素。 在此基础上, 构建了水动力地质模型, 探讨了该井水位和水温准同步变化的机理。 结果表明, 区域地下水开采和降雨是影响该井水位和温度准同步变化的主要因素, 冷水渗透理论可以很好地解释该井水位和水温的准同步变化。

关键词: 水位, 水温, 影响因素, 冷水渗透, 地下水运移, 通辽地震观测井

Abstract: Using regional hydrogeological data, water temperature gradient test results, regional groundwater exploitation data, and precipitation data, the factors affecting the multi-year and interannual changes in water level and temperature in the Tongliao earthquake observation well in Inner Mongolia were analyzed. On this basis, a hydrodynamic geological model was constructed to explore the mechanism of quasi synchronous changes in water level and temperature in the well. The results indicate that regional groundwater extraction and rainfall are the main influencing factors for the quasi synchronous changes of water level and temperature in the well, and the cold water infiltration theory can well explain these quasi synchronous changes.

Key words: Water level, Water temperature, Influencing factors, Cold water infiltration, Groundwater transport, Tongliao earthquake observation well

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