[1]熊家伟,吴元辉,周克鹏,等.腾冲地震台gPhone重力仪水文响应分析[J].华南地震,2026,46(04):10-17.[doi:10.13512/j.hndz.2026.04.02]
　XIONG Jiawei,WU Yuanhui,ZHOU Kepeng,et al.Hydrological Response Analysis of gPhone Gravimeter at Tengchong Seismic Station[J].,2026,46(04):10-17.[doi:10.13512/j.hndz.2026.04.02]
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腾冲地震台gPhone重力仪水文响应分析()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
46
期数:
2026年04期
页码:
10-17
栏目:
地震科学研究
出版日期:
2026-07-09

文章信息/Info

Title:
Hydrological Response Analysis of gPhone Gravimeter at Tengchong Seismic Station
文章编号:
1001-8662（2026）04-0010-08
作者:
熊家伟; 吴元辉; 周克鹏; 番绍辉; 张山元; 李秋凤
云南省地震局 腾冲地震监测中心站，云南 腾冲 679100
Author(s):
XIONG Jiawei; WU Yuanhui; ZHOU Kepeng; FAN Shaohui; ZHANG Shanyuan; LI Qiufeng
Tengchong Earthquake Monitoring Center Station, Yunnan Earthquake Agency, Tengchong 679100, China
关键词:
gPhone重力仪; 重力噪声水平; 水文效应; 腾冲地震台
Keywords:
gPhone gravimeter;  Ggravity noise level;  Hydrological effects;  Tengchong Seismic Station
分类号:
P312
DOI:
10.13512/j.hndz.2026.04.02
文献标志码:
A
摘要:
为探究腾冲地震台静水位快速波动及降雨对重力观测的影响，利用该台站2023年1月至2024年7月同址观测的gPhone重力仪、静水位仪和雨量计数据。经预处理获得重力残差序列，并计算地震频段（200~600s）噪声水平(SNM)，进而分析水文因素对重力观测的影响。结果表明：降雨会造成5μGal的重力波动，并导致SNM平均增大0.2，但SNM值增量与降雨量之间无显著相关性；静水位变化会造成27μGal左右的重力变化，该幅度基本与模拟结果一致；并伴随SNM平均增加0.037。重力响应相对于静水位变化存在约10~20天的延迟，且重力变化持续时间与静水位下降幅度和持续时间呈正相关。因此在分析重力观测数据时，应考虑水文变化的影响。
Abstract:
In order to explore the influence of rapid fluctuation of static water level and rainfall on gravity observa?tion at Tengchong Seismic Station, this paper adopts the detasets collected by gPhone gravimeter, static water level gauge and rain gauge at the same site from January 2023 to July 2024. The gravity residual sequence was obtained by preprocessing, and the seismic frequency band (200-600 s) noise level (SNM) was calculated, and then the influ?ence of hydrological factors on gravity observation was analyzed. The results show that rainfall induces gravity fluctu?ation of 5 μGal and taises the average SNM by 0.2, while no significant correlation between SNM increment and rainfall. The change of static water level will cause gravity change of about 27 μGal, which is basically consistent with the simulation results, together with an average increase of 0.037 SNM. The gravity response has a delay of about 10 to 20 days relative to the static water level change, and the duration of the gravity change is positively cor?related with the amplitude and duration of the static water level drop. Therefore, the influence of hydrological chang?es should be considered when analyzing gravity observation data.

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备注/Memo

备注/Memo:
收稿日期：2025-09-12
基金项目：云南省青年地震科学基金（2024K11）
作者简介：熊家伟（1996-），男，助理工程师，主要从事地震监测预报研究工作。E-mail: 2083508268@qq.com
更新日期/Last Update: 2026-07-20