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|Authors: ||Zmazek, B.*|
|Title: ||Geochemical monitoring of thermal waters in Slovenia: relationships to seismic activity|
|Title of journal: ||Applied Radiation and Isotopes|
|Series/Report no.: ||57 (2002)|
|Issue Date: ||2002|
|Abstract: ||Thermally anomalous fluids released in seismic areas in Slovenia were the subjects of geochemical monitoring.
Thermal waters were surveyed from the seismically active area of Poso$cje (Bled and Zatolmin; NW Slovenia) and from Rogaska Slatina in eastern Slovenia. Continuous monitoring of geochemical parameters (radon concentration, electrical conductivity, and water temperature) was performed with discrete gas sampling for their 3He/4He ratio. The observed values were correlated with meteorological parameters (rainfall, barometric pressure and air temperature) and with seismic activity.
Only a few earthquakes occurred in the vicinity of the measuring sites during the monitoring period. Nevertheless, changes in radon concentration, water temperature, electrical conductivity and helium isotopic ratio were detected at the three thermal springs in the periods preceding the earthquakes. A close correlation was also observed of both water
temperature and electrical conductivity with the Earth tide, making the observations in the selected sites a promising tool for addressing the widely debated question of earthquake prediction.|
|Appears in Collections:||03.02.04. Measurements and monitoring|
03.02.02. Hydrological processes: interaction, transport, dynamics
03.02.03. Groundwater processes
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