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http://hdl.handle.net/2122/3749
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| Title: | Flow changes and geochemical anomalies in warm and cold springs associated with the 1992-1994 seismic sequence at Pollina, central Sicily, Italy |
| Authors: | Favara, R.*
Grassa, F.*
Madonia, P.*
Valenza, M.* |
| Keywords: | Geochemical anomalies
seismogenetic processes |
| Issue Date: | 2007 |
| Publisher: | Birkhauser Verlag |
| Title of journal: | Pure and apllied geophysics |
| Series/Report no.: | /164(2007) |
| Abstract: | During a three-year discontinuous geochemical monitoring of some warm springs and cold
discharges located in central-northern Sicily, some hydro-geochemical changes were observed. Excluding a
possible related to a moderate seismic activity were accidentally identified. The observed anomalies showed
amplitudes that were modulated by the different geometries and volumes of the feeding aquifers. A poroelastic
aquifer contraction, a shaking-induced dilatancy theory as well as seismogenetic-induced changes in the
properties of the aquifers have been proposed as possible mechanisms for the water flow and hydro-geochemical
changes. These preliminary results could be used to design a monitoring network aimed at surveilling the
seismic activity of the studied area from a geochemical standpoint. |
| URI: | http://hdl.handle.net/2122/3749 |
| DOI: | 10.1007/s00024-007-0283-7 |
| Appears in Collections: | Papers Published / Papers in press
03.02.03. Groundwater processes
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