Thermal regime of soil and bedrock in relation to the surface air temperature and other meteorological variables [MSc. project] Supervisor: RNDr.Jan Šafanda, CSc. Description of the problem One of the new methods of the past climate reconstruction is based on analysis of a transient component of temperature - depth profiles measured in boreholes. It provides information about long-term changes of the ground surface temperature. For the climatic interpretation of these results it is necessary to know a relationship between the ground surface temperature and the surface air temperature. To explore the relationship, the Department of Geothermics of the Geophysical Institute has established a “borehole climate” station, which has been monitoring temperature in a 40 m deep borehole, in soil and in the air together with some other meteorological variables since 1994. Aim of the thesis Comparison of annual temperature signals in air, soil and bedrock observed at the station. Analysis of sources of a difference between mean annual temperatures of air and soil and sources of an interannual variability of this difference.
Thermal regime of soil and bedrock in relation to the surface air temperature and other meteorological variables[PhD. project] Supervisor: RNDr.Jan Šafanda, CSc. Description of the problem One of the new methods of the past climate reconstruction is based on analysis of a transient component of temperature - depth profiles measured in boreholes. It provides information about long-term changes of the ground surface temperature. For the climatic interpretation of these results it is necessary to know a relationship between the ground surface temperature and the surface air temperature. To explore the relationship, the Department of Geothermics of the Geophysical Institute has established a “borehole climate” station, which has been monitoring temperature in a 40 m deep borehole, in soil and in the air together with some other meteorological variables since 1994. Aim of the thesis 1.Processing of the temperature – time series and other meteorological variables observed at the station with emphasis on downward propagation of the surface temperature changes.
2. Analysis of heat transfer mechanism between the ground surface and bedrock.
3. Compilation of a parametric model for calculation of the mean annual temperature in different depths below the surface as a function of surface air temperature, amount of precipitation, solar radiation, soil moisture and possible other parameters.
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