DOI: 10.1002/2016GL070937
论文题名: Aquifers switched from confined to semiconfined by earthquakes
作者: Shi Z. ; Wang G.
刊名: Geophysical Research Letters
ISSN: 0094-8436
EISSN: 1944-8167
出版年: 2016
卷: 43, 期: 21 起始页码: 11166
结束页码: 11172
语种: 英语
英文关键词: earthquake
; hydraulic conductivity
; permeability
; tidal response
Scopus关键词: Aquifers
; Earthquakes
; Geophysics
; Groundwater
; Hydraulic conductivity
; Hydrogeology
; Mechanical permeability
; Water levels
; Aquifer parameters
; Confined aquifers
; Groundwater supply
; Hydraulic connection
; Permeability and hydraulic diffusivities
; Tidal response
; Underground waste repository
; Vertical fracture
; Groundwater resources
英文摘要: Earthquake-induced aquifer parameter changes (e.g., permeability and hydraulic diffusivity) have been documented in many studies. However, changes in the confinement of an aquifer from confined to semiconfined following an earthquake have not been reported. Here we focus on the tidal response of the water level in four wells following the 2008 Wenchuan Mw 7.9 and 2013 Lushan Mw 6.6 earthquakes to show that earthquakes can change confined aquifers to semiconfined aquifers by reopening of preexisting vertical fractures (and later healing). This study has important implications because a switch from confined to semiconfined means a change of vertical hydraulic connection, which may affect the vulnerability of an aquifer, the integrity of underground waste repositories, and the safety of groundwater supplies. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84996555356&doi=10.1002%2f2016GL070937&partnerID=40&md5=2ff5d6370752540e89b6b7940d41adf5
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9399
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: State Key Laboratory of Biogeology and Environmental Geology and MOE Key Laboratory of Groundwater Circulation and Evolution, China University of Geosciences, Beijing, China
Recommended Citation:
Shi Z.,Wang G.. Aquifers switched from confined to semiconfined by earthquakes[J]. Geophysical Research Letters,2016-01-01,43(21).