On condensation and precipitation of atmospheric moisture in the surface layer |
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| Authors: | M G Alishaev |
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| Institution: | 1. Institute of Geothermal Problems, Dagestan Scientific Center, Russian Academy of Sciences, pr. Shamilya 39a, Makhachkala, 367030, Russia
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| Abstract: | Presented are the computations of condensation and precipitation of atmospheric moisture at night depending on the diurnal variations of air temperature and air humidity. Used are the meteorological data for northern Dagestan. Determined is the contribution of the dew to the moistening of the soil. The examples of the exponential and lognormal distribution of droplets revealed that the use of the velocity of medium-size droplet underestimates the value of the moisture mass precipitated on the soil. A concept of the mean mass precipitation velocity is introduced, and the formulae are provided for determining the average mass of deposited condensate depending on humidity, the temperature drop, and size distribution of droplets. Posed is a new problem of diurnal condensate precipitation in the soil in summer and of technology of its increase. |
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