Fakulta v médiích
Creativity Award of the Charles University was granted to prof. Petr Pyšek from the Department of Ecology
Current research topics include:Hydrogeology Engineering geology Applied Geophysics Multidisciplinary
- Efficiency of capillary barriers; mathematical modelling of unsaturated zone, effect of faults in impervious sheeting and effect of retention-curve hysteresis.
- Hydromechanics of clay suspensions; determination of hydromechanic characteristics, laboratory measurements and mathematical modelling.
- Water flow and transport of radionuclides in hard-rock fractures.
- Viscosity of salt diapirs – flow with large Reynolds numbers; analytical and numerical solutions, inverse problems.
- Mean residence time, flow and chemical fluxes in saturated, unsaturated and soil zone of karst (18O, 2H, 13C, 3H, CFCs, SF6 tracers)
- Radiocarbon dating of salt karst, diapir surfaces, Iran; dating of cave deposits Timpanogos Cave, Utah, USA
- Study of space distribution of chemistry in Idaho batholith hydrothermal system
- Tide effects in groundwater; in situ measurements and mathematical modelling
- Regional hydrogeological survey focused to groundwater budget and their optimal production in the context of the recent climatic change
- Groundwater contamination and its protection in terms of the impact to their quality, water supply engineering
- Laboratory and numerical modelling (FEM) of cementation bonds in fine grained and coarse grained soils.
- Numerical analysis of retaining walls in fine grained and coarse grained soils using elastoplastic and hypoplastic constitutive models.
- Influence of adding CaO (stabilisation) on texture and hydraulic conductivity of clayey silts.
- The effect of capillary suction on mechanical properties of fine grained soils.
- Development of constitutive models for thermo-hydro-mechanical behaviour of unsaturated soils.
- Development of probabilistic methods in geotechnical engineering and application of advanced constitutive models in probabilistic analyses of geotechnical problems.
- Application of hypoplastic models in solving different boundary value problems.
- Municipal solid waste: landfill and its capping, measurement and prediction of settlement, numerical modelling of water regime in the landfill capping; geochemistry of the landfill
- Granitoids: Modelling of their shape with the use of geophysical data, Hydrothermal alteration of granitoids - geophysical, textural and geochemical records
- Gravity prospecting of cavities in soils focused on gravity effect of surrounding deformation zones - cooperation with experts on geomechanics
- Environmental radiation, radon in soil gas and national radon reference sites, radioactivity of rocks, mapping of nuclear fallout, radiometric maps
- Mechanical properties of rocks (particularly elastic anisotropy) in laboratory and field conditions; further usage of both P- and S- elastic waves
- Hydrogeophysics – shallow geophysics in hydrology, environmental issues and engineering geology
- Seismicity driven by fluids - both injection induced and natural earthquake swarms
- Geothermal energy: its availibility in terms of thermal gradient and groundwater regime; seismic monitoring of the reservoir stimulation