Abstract
Highly resolved temperature records in a borehole in Western Georgia are applied and demonstrate several impacts during the registration of 15 months at depths of 100, 175 and 250 m. The long-term trend of the temperature at z = 100 m yields a surface temperature variation of 0.015 K/year which is going on since 90 to 110 years. It coincides with the settlement history where forest has been cut down to create cropland. Heavy rainfalls cause a water inflow to the borehole and change the water temperature at all depths by 0.6 to 1.3 K. The temperature equalization process results in the temperature diffusivity and thermal conductivity. Pressure-induced fluid flow is detected during the winter half year which is probably caused by regional subsurface water flow from the Caucasus mountains.
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