[1]刘水莲,陈美梅,张清秀,等.基于同井不同层位的水温资料对比分析[J].华南地震,2025,(01):47-58.[doi:10.13512/j.hndz.2025.01.07]
 LIU Shuilian,CHEN Meimei,ZHANG Qingxiu,et al.Comparative Analysis of Water Temperature Data in Different Layers of the Same Well[J].,2025,(01):47-58.[doi:10.13512/j.hndz.2025.01.07]
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基于同井不同层位的水温资料对比分析()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年01期
页码:
47-58
栏目:
地震科学研究
出版日期:
2025-03-30

文章信息/Info

Title:
Comparative Analysis of Water Temperature Data in Different Layers of the Same Well
文章编号:
1001-8662(2025)01-0047-12
作者:
刘水莲1陈美梅1张清秀2林慧卿1
1.龙岩地震监测中心站,福建 龙岩 364000;2.福建地震台,福州 350001
Author(s):
LIU Shuilian1CHEN Meimei1ZHANG Qingxiu2LIN Huiqing1
1.Longyan Earthquake Monitoring Center Station , Longyan 364000, China;2.Fujian Seismic Station , Fuzhou 350001, China
关键词:
层位水温对比分析
Keywords:
LayersWater temperatureComparative analysis
分类号:
P315.72+3
DOI:
10.13512/j.hndz.2025.01.07
文献标志码:
A
摘要:
基于永安冷冻厂井180m、295m、330m三个层位的水温观测数据,结合井孔构造与梯度变化特征,对比不同层位的长短期背景动态、内在质量、各类干扰的特征及差异。经分析,此井三个层位水温均有显著的潮汐动态,年动态为波动-跳变型,日、月动态均显示清晰的双峰双谷固体潮形态,自然环境、供电干扰形态基本一致,但内在质量优劣、噪声大小和对地震响应的灵敏度受投放层位的直接影响,越远离含水层,梯度变化越平稳的层位,曲线噪声小,产出质量越高,能记录到的同震响应越多,反之,则不易凸显地下含水层应力变化信息。最后依据分析结果讨论了此井水温观测的最佳层位,可为其他井水温不同层位特征分析及合理投放层位的选择提供参考。
Abstract:
This paper analyzed the water temperature observation data from three layers of 180 m, 295 m, and 330 m in the well of Yong’an Refrigeration Plant. Combining well structure and gradient variations, the paper compared the characteristics and differences of long-term and short-term background dynamics,intrinsic quality, and various interferences in different layers. The analysis reveals that the water temperature of the three layers in this well shows significant tidal dynamics. The annual dynamics demonstrate a fluctuation-jump pattern, while both daily and monthly dynamics show clear bimodal and double valley earth tide patterns. The interference patterns of natural environment and power-supply are basically the same, while the internal quality, noise level, and sensitivity to earthquake response are directly affected by the placement depth. The layer further away from the aquifer with more stable gradients demonstrates superior performance characteristics, including reduced noise levels,enhanced data quality,and improved capability to record coseismic responses. Conversely,it is not easy to highlight the stress change information of the underground aquifer. Finally, based on the analysis results, the optimal layer for water temperature observation in the well was discussed, which can provide reference for analyzing the characteristics of water temperature of different layers in other wells and selecting reasonable placement layers.

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相似文献/References:

[1]秦双龙,刘水莲,赵文波.永安井数字化水位水温主要影响因素分析[J].华南地震,2021,41(02):55.[doi:10.13512/j.hndz.2021.02.08 ]
 QIN Shuanglong,LIU Shuilian,ZHAO Wenbo.Analysis on the Main Influencing Factors of the Digital Water Level and Water Temperature of Yong'an Well[J].,2021,41(01):55.[doi:10.13512/j.hndz.2021.02.08 ]

备注/Memo

备注/Memo:
收稿日期:2024-03-18
基金项目:福建省地震局科技基金面上项目(M202407)
作者简介:刘水莲(1983-),女,高级工程师,研究方向为地下流体监测与分析预报。E-mail:470175472@qq.com
更新日期/Last Update: 2025-03-30