Abstract
Downward long-wave radiation plays a significant role in the formation of the net radiation regime on the surface of a mountain glacier. For this reason, it should be taken into account in glaciological calculations, especially in the warm period of the year, during the melting season. Glaciological models often ignore particular components of the long-wave radiation flux, for example, radiation reflected from the mountain slopes surrounding the glacier. The choice of the algorithm for parameterization of downward radiation and cloudiness affects the accuracy of model calculations. In the article, we analyze the well-known parameterization algorithms for atmospheric downward radiation from the point of view of their applicability in glaciological modeling in a specific geographical region, in the Inner Tien Shan. The results of calculation are compared with the measurements on the Karabatkak glacier (the northern slope of the Terskey Ala-Too ridge). We substantiate the choice of algorithms simple cloud parameterization scheme and consider the influence of the surrounding relief.
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Translated from Meteorologiya i Gidrologiya, 2022, No. 9, pp. 5-19. https://doi.org/10.52002/0130-2906-2022-9-5-19.
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Rybak, O.O., Satylkanov, R., Rybak, E.A. et al. Parameterization of Downward Long-wave Radiation in Glaciological Applications. Russ. Meteorol. Hydrol. 47, 641–651 (2022). https://doi.org/10.3103/S1068373922090011
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DOI: https://doi.org/10.3103/S1068373922090011