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 (226Kb)
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20,282,000 Yen (FY1996 7,056,000 Yen)
The increase of atmospheric greenhouse gases suppresses the radiative cooling and its effect to the climate is efficient in high latitude and continental area. The basic study of energy and water cycle in Siberia is important to evaluate this process. Here, the energy balance a over typical wetland in West Siberia and the transportation process in the temperature inversion layer have been studied. The ratio among the energy flow were 32, 45, 20% of the solar radiation are released by radiation, latent heat and sensible heat, respectively, and 3% may be used to increase the soil temperature in sunny days.
The formation of temperature inversion keeps the emitted trace gases in it, and the release it during the growth of turbulent transportation. By a turbulent boundary layer mode, the vertical profile of trace gases is simulated, and compared with the experimental results. The relative values of surface concentration of CH4, CO2 and O3 are well simulated but there are serious discrepancy between the observed and the model result in magnitudes.
Hydrology, Water cycle, Greenhouse gases, Siberia