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Mironov, V. L.
Measuring soil temperature and moisture of arctic tundra based on SMOS and ALOS PALSAR data / V. L. Mironov, K. V. Muzalevskiy, S. Anna // Int. Sib. Conf. on Control and Communicat. : Proceedings : IEEE-Institute Electrical and Electronics Engineers, 2015, DOI 10.1109/SIBCON.2015.7147154 . - ISBN 978-1-4799-7102-2
Кл.слова (ненормированные):
ALOS PALSAR -- Artic tundra -- permafrost -- SMOS -- Soil moisture -- Soil temperature -- Backscattering -- Balloons -- Landforms -- Luminance -- Mean square error -- Moisture -- Permafrost -- Permittivity -- Radar -- Radar measurement -- Soil moisture -- Soils -- Temperature -- Weather information services -- ALOS PALSAR -- Artic tundra -- Backscatter coefficients -- Brightness temperatures -- Determination coefficients -- Root mean square errors -- SMOS -- Soil temperature -- Soil surveys
Аннотация: In this paper, methods for retrieving soil moisture, roughness, and temperature based on the radar backscatter coefficient (ALOS PALSAR) and brightness temperature (SMOS) data related to a tundra area on the Yamal peninsula were tested. As theoretical models, there were used the semi-empirical backscatter model proposed by Y. Oh et. al and the L-band Microwave Emission of the Biosphere (L-MEB) model proposed by J-P Wigneron et.al. An integral part of these models is a permittivity model of moist soil both thawed and frozen, which links backscatter coefficient and brightness temperature with moisture, temperature, and dry density of the soil as well as the wave frequencies used by the ALOS PALSAR and SMOS. The applied permittivity model was developed based on dielectric measurements conducted for the organic rich soil samples collected at the Vaskiny Dachi weather station located in the area of the radar backscatter and brightness observations. The retrieved temperatures were correlated with the ones measured at the weather station yielding the values of root-mean-square error and determination coefficient of 3.8°C and 0.80, respectively. © 2015 IEEE.

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Доп.точки доступа:
Muzalevskiy, K. V.; Музалевский, Константин Викторович; Anna, S.; Миронов, Валерий Леонидович; International Siberian Conference on Control and Communications(11 ; 2015 ; May 21-23 ; Omsk)
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Muzalevskiy, K. V.
Measuring temperature profile using multi-frequency microwave radiometric observation-theoretical modeling / K. V. Muzalevskiy, Z. Ruzicka // Int. Sib. Conf. on Control and Communicat. (SIBCON 2015) : Proceedings : IEEE-Institute Electrical and Electronics Engineers, 2015, DOI 10.1109/SIBCON.2015.7147153 . - ISBN 9781479971022 (ISBN)
Кл.слова (ненормированные):
Artic tundra -- GCOM-W1 -- permafrost -- SMOS -- Soil temperature -- Climate models -- Landforms -- Luminance -- Mean square error -- Permafrost -- Piecewise linear techniques -- Soils -- Temperature -- Temperature control -- Artic tundra -- Brightness temperatures -- Determination coefficients -- GCOM-W1 -- Measurement of temperature -- Root mean square errors -- SMOS -- Soil temperature -- Soil surveys
Аннотация: In this theoretical paper, we propose method for the measurement of temperature profile in the topsoil of Arctic tundra using observations of brightness temperature at frequencies of 1.4, 6.93, 7.3 and 10.7 GHz. A multi-frequency physical model of microwave emission of bare soil and dielectric model of Arctic tundra soil, with temperature profiles, which were measured in the active topsoil with using Toolik climate station on the North Slope of Alaska, were used to calculate "measured" values of brightness temperature. In the approximation of piecewise linear profile of soil temperature, from the 'measured' values of brightness temperature were retrieved temperature profiles and were compared with ones, which were measured at the Toolik station from 2010 to 2011. The retrieved values of soil temperatures at the depth of 0.6cm and 16.0cm deviated from measured ones by 1.3°C and 3.2°C in terms of root-mean-square error, and by 0.92 and 0.62 in terms of determination coefficient, respectively. © 2015 IEEE.

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Доп.точки доступа:
Ruzicka, Z.; Ружичка, Зденек; Музалевский, Константин Викторович; International Siberian Conference on Control and Communications(11 ; 2015 ; May 21-23 ; Omsk)
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    Muzalevskiy, K. V.
    Effects of organo-mineral structure of arctic topsoil on the own thermal radiation in the L-band / K. V. Muzalevskiy, L. Yury // Int. Sib. Conf. on Control and Communicat. (SIBCON 2015) : Proceedings : IEEE-Institute Electrical and Electronics Engineers, 2015, DOI 10.1109/SIBCON.2015.7147152 . - ISBN 9781479971022 (ISBN)
   Перевод заглавия: Влияние органо-минеральной структуры верхнего слоя арктической почвы на собственное тепловое излучение в L-диапазоне"
Кл.слова (ненормированные):
Artic tundra -- Mineral soil -- Organic soil -- Permafrost -- SMOS -- Soil temperature -- Atmospheric humidity -- Balloons -- Heat radiation -- Landforms -- Luminance -- Minerals -- Permafrost -- Permittivity -- Radiation effects -- Soils -- Temperature -- Artic tundra -- Mineral soils -- Organic soil -- SMOS -- Soil temperature -- Soil surveys
Аннотация: In this paper, the influence of organic-mineral Arctic tundra soils on own thermal radiation in the L-band was theoretically investigated. For modeling of brightness temperature there were used semi-empirical L-band Microwave Emission of the Biosphere (L-MEB) model. An integral part of this model is permittivity models of tundra organic and mineral soils, which links the brightness temperature with moisture, temperature and density of soil. The permittivity models were developed based on the measurements of the organic rich and mineral soil samples collected at the Vaskiny Dachi weather station test-site in Yamal peninsular. As a result, the potential error of soil temperature retrieval in case of layered and homogeneous organic-mineral soil are shown based on simulated brightness temperature at 1.4 GHz. © 2015 IEEE.

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Доп.точки доступа:
Lukin, Y. I.; Лукин, Юрий Иванович; Музалевский, Константин Викторович; International Siberian Conference on Control and Communications(11 ; 2015 ; May 21-23 ; Omsk)
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