宝坻台地电观测的水文地质背景及其电阻率变化与降雨量和水位变化的关系

EARTHQUAKE ›› 2007, Vol. 27 ›› Issue (2): 81-88.

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Study on geohydrologic setting of the observation of resisti- vity on Baodi Station and relation between the variations of resistivity with rainfall and water level fluctuation

ZHENG Wen-jun¹, QIAN Jia-dong², TIAN Shan¹, LIU Yun-xiu¹

1. Earthquake Administration of Tianjin Municipality, Tianjin 300201;
2. Institue of Earthquake Science, CEA, Beijing 100036, China

Received:2006-04-11 Revised:2006-06-26 Online:2007-04-30 Published:2021-10-29

Abstract

Abstract: The reason causing slow decrease of the of resistivity observational data in late more than 10 years is investigated through correlative analyses on the data of observation of resistivity and the data of rainfall and water level of deep well and shallow well at Baodi station, and combining with the analysis of geohydrology and tectonic setting. The result shows that the tendency of the secular fall off of resistivity is mainly associated with the decrease of hydraulic discharge within the anticline with hydrolysis fracture, and the fluctuation of resistivity in short term is affected by the variation of the shallow level caused by rainfall.

Key words: Resistivity, Rainfall, Water level, Geohydrology, Baodi station

CLC Number:

P315.73

ZHENG Wen-jun, QIAN Jia-dong, TIAN Shan, LIU Yun-xiu. Study on geohydrologic setting of the observation of resisti- vity on Baodi Station and relation between the variations of resistivity with rainfall and water level fluctuation[J]. EARTHQUAKE, 2007, 27(2): 81-88.

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Study on geohydrologic setting of the observation of resisti- vity on Baodi Station and relation between the variations of resistivity with rainfall and water level fluctuation

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