Groundwater Level Changes and Aquifers Yield Modifications Caused by Seismic Events
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrogeology".
Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 4056
Special Issue Editors
Interests: hydrogeology; carbonate aquifers; springs; climate change and water resources; groundwater and earthquakes
Special Issue Information
In tectonically active areas, whose ridges and valleys often host important aquifers, besides the many dangers that groundwater is presently exposed to (overexploitation, climate change, pollution), significant modifications in groundwater flow can be induced by seismic crises, representing a further threat.
Earthquake‐related hydrogeological changes have been referred to since millennia. Short-term and mid/long-term groundwater level changes in response to seismic crises have been observed directly in alluvial aquifers and deduced indirectly, in mountains aquifers, by the analysis of discharge changes of springs and streams. Such changes, recorded both in the near and in the far field, have been attributed to different mechanisms, namely co-seismic pore water pressure rise, an increase in aquifer permeability, and a change in hydrogeological role played by fault systems after a seismic crisis.
Recently, “earthquake hydrology” has been the subject of many quantitative studies, aimed both to determine the post-seismic evolution of groundwater systems for management purposes and to provide new insights into the not static hydrogeological properties of the upper crust.
Further advances in “earthquake hydrology” are necessary, hopefully based on a multidisciplinary approach that helps to define the behaviour of complex systems in which different ground and surface water bodies interact with each other. Hydrogeochemical data, geo-structural data and models, water isotopes, tracer tests, and other kinds of data, coupled with the hydrogeological ones, improve our understanding around how, in different tectonic contexts, groundwater level changes induced by earthquakes are due to diverse mechanisms, which imply different evolution and impact on aquifers characteristics and groundwater systems discharge.
Dr. Costanza Cambi
Dr. Daniela Valigi
Guest Editors
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Keywords
- earthquakes
- seismicity
- aquifers
- groundwater wells
- springs and streambed springs discharge
- groundwater level
- groundwater flowpaths
