ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 5, pp. 275-287

The sea ice microwave radiometer data measured in May 2024 from Yamal nuclear icebreaker concurrent with satellite observations

D.M. Ermakov 1, 2 , А.V. Kuzmin 1 , V.V. Tikhonov 1, 3, 4 , T.A. Alekseeva 3, 1 , S.S. Serovetnikov 3 , E.V. Afanasyeva 3, 1 , V.D. Kotelnikov 3 
1 Space Research Institute RAS, Moscow, Russia
2 Kotelnikov Institute of Radioengineering and Electronics RAS, Fryazino Branch, Fryazino, Moscow Region, Russia
3 Arctic and Antarctic Research Institute, Saint Petersburg, Russia
4 Institute for Water and Environmental Problems SB RAS, Barnaul, Russia
Accepted: 01.10.2024
DOI: 10.21046/2070-7401-2024-21-5-275-287
In May 2024, as part of the LED-SMP-1/2024 expedition, along with special ship ice observations, an experiment on in situ measurements of the sea ice cover own microwave radiation concurrent with satellite survey was conducted. It was organized jointly by Arctic and Antarctic Research Institute (AARI) and Space Research Institute of the Russian Academy of Sciences (IKI RAS). Observations were carried out in the Kara Sea in two main modes corresponding to the measurement geometry of the domestic (module of temperature and humidity sensing of the atmosphere MTVZA-GYa) and foreign (Special Sensor Microwave Imager/Sounder, Advanced Microwave Scanning Radiometer 2) satellite microwave radiometers at frequencies of 5.4, 19.0, 22.2, 36, 92 GHz. Additionally, regular sessions of atmospheric observations at various zenith angles and radiometric calibration using external loads were carried out. In total, about 112 hours of microwave radiometric measurements were accumulated in the observation sessions from May 16 to 24, accompanied by coordinate-time referencing, fixation of viewing angles, as well as registration of meteorological conditions and ice conditions parameters. The accumulated data are planned to be used to clarify the dielectric characteristics of various types of sea ice in the microwave range, as well as to test and develop algorithms for reconstructing sea ice cover parameters based on measurements of satellite microwave radiometers. The data obtained in the experiment are described in detail in this paper and are presented in open access on the servers of the “IKI-Monitoring” Center for Collective Use.

Keywords: sea ice, in situ observations, field radiometric experiment concurrent with satellite survey, microwave radiometry, ice cover parameters
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