THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

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Fogs on the Yenisei River (Krasnoyarsk, Russia)

ABSTRACT
This work presents a study of the formation of cooling and steam fogs on the Yenisei River during 2020. The formation of the above types of fogs resulted from changes in the hydrothermal regime downstream the Krasnoyarsk hydroelectric power station after its construction and it is also associated with a combination of weather conditions and water temperature in the river. Advective cooling fogs form in summer when moist air cools over the surface of cold moving water. The formation of steam fogs in winter, autumn and spring is associated with the cooling of water vapor above the river surface by cold lower layers of air. The conditions for the formation of fogs are analyzed depending on the air temperature and humidity, water temperature, and wind speed. Based on the remote sensing data, the spatial distribution of steam fogs along the river is determined.
KEYWORDS
PAPER SUBMITTED: 2022-04-02
PAPER REVISED: 2022-04-27
PAPER ACCEPTED: 2022-05-17
PUBLISHED ONLINE: 2022-07-09
DOI REFERENCE: https://doi.org/10.2298/TSCI220402099S
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