Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2023, Vol. 20, No. 6, pp. 329-335
On the possibility to determine the concentration of Arctic sea ice using SMOS satellite data
V.V. Tikhonov
1, 2, 3 , T.A. Alekseeva
3, 1 , E.V. Afanasyeva
3, 1 , J.V. Sokolova
3, 1 , I.V. Khvostov
2 , A.N. Romanov
2 1 Space Research Institute RAS, Moscow, Russia
2 Institute for Water and Environmental Problems SB RAS, Barnaul, Russia
3 Arctic and Antarctic Research Institute, Saint Petersburg, Russia
Accepted: 09.11.2023
DOI: 10.21046/2070-7401-2023-20-6-329-335
The paper presents the first results of comparison of the seasonal dynamics of brightness temperature of a region in the Kara Sea measured by the MIRAS radiometer (Microwave Imaging Radiometer using Aperture Synthesis) of the SMOS satellite (Soil Moisture and Ocean Salinity) with data on ice concentration obtained from satellite radar and visible images for 2019 and 2021. The analysis showed that brightness temperature is very sensitive to changes in the state of sea ice (melting, freezing, ice type) and correlates well with ice concentration. The obtained results open the possibility of using data from SMOS MIRAS to assess the state of the Arctic sea ice cover, as well as developing a methodology for analyzing the characteristics of sea ice using these data.
Keywords: satellite microwave radiometry, brightness temperature, ice concentration, visible and infrared range
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