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http://hdl.handle.net/2122/2477
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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
SEISMIC SEQUENCE
POLLINA
CENTRAL SICILY, |
| Issue Date: | 2006 |
| Title of journal: | Pure Appl. Geophys. |
| Abstract: | During a three-years 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/2122/2477 |
| Appears in Collections: | Manuscripts
03.02.05. Models and Forecasts
03.02.03. Groundwater processes
03.04.03. Chemistry of waters
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