论文信息 - Effect of variations of the greenhouse gas concentrations on the solar shortwave radiation transfer

Effect of variations of the greenhouse gas concentrations on the solar shortwave radiation transfer

Estimate is made of conditions which could lead to a possibility of solar radiation penetration to the Earth surface in the UV region. The altitude behaviour of the transmission for some frequencies is considered under variations of absorbing species concentrations. The value of the O2 absorption coefficient is diminished by a factor 10 for modelling the absorption in the transparency microwindows, therewith the ozone and water vapour content is varied. At variations of concentrations of absorbing species the transmission function of the solar radiation calculated from the upper bound of the atmosphere downward remains zero near the surface in microwindows of the Schumann-Runge bands. It appears, however, that near 210 nm the solar radiation may reach the surface at definite variations of concentrations of absorbing species.

O. B. Rodimova | L. I. Nesmelova

[1] A. Jenouvrier,et al. Long pathlength measurements of oxygen absorption cross sections in the wavelength region 205−240 nm , 1986 .

[2] K. Watanabe,et al. Absorption Coefficients of Oxygen in the Vacuum Ultraviolet , 1953 .

[3] S. Guberman,et al. ABSORPTION CROSS SECTION MEASUREMENTS OF OXYGEN IN THE WAVELENGTH REGION 195-241 nm OF THE HERZBERG CONTINUUM , 1986 .

[4] K. Watanabe,et al. Absorption Coefficients of Water Vapor in the Vacuum Ultraviolet , 1953 .

[5] R. Hudson,et al. Photodissociation rates of molecular oxygen in the mesosphere and lower thermosphere. , 1972 .

[6] T. I. Quickenden,et al. The ultraviolet absorption spectrum of liquid water , 1980 .

[7] M. Ogawa. Absorption cross sections of O2 and CO2 continua in the Schumann and far-uv regions , 1971 .

[8] R. W. Ditchburn,et al. The absorption of molecular oxygen between 1850 and 2500 Å , 1962 .

[9] J. R. Esmond,et al. Measurements of absolute absorption cross sections of ozone in the 185‐to 254‐nm wavelength region and the temperature dependence , 1993 .