Abstract
The POKAZATEL line list is currently the most complete theoretical list of H2O monomer absorption lines. It contains H2O lines up to the dissociation energy ∼40 000 cm−1 (0.25 μm). The atmospheric transmission of ultraviolet (UV) radiation is simulated with the use of H2O lines from POKAZATEL. The broadening parameters of absorption lines in the UV region are determined more accurately with the use of different approximations. It is shown that the contribution of H2O absorption lines to the atmospheric transmission can attain 0.03 near 25 000 cm−1 at a spectral resolution of 0.01 cm−1.
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