Peculiarities of Stratospheric Temperature Stratification Measurements by the Microwave Radiometry Method

In this paper, we consider the peculiarities of using the microwave radiometry method for remote sensing of the thermal stratification of the high layers of the atmosphere: the stratosphere and the lower mesosphere in comparison with other high-altitude layers, the troposphere and the atmospheric bo...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2022-06, Vol.58 (3), p.284-294
Main Authors: Kadygrov, E. N., Knyazev, A. K., Shaposhnikov, A. N.
Format: Article
Language:English
Subjects:
Absorption coefficient
Absorptivity
Altitude
Atmospheric boundary layer
Balloons
Boundary layers
Climatology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
High altitude
High altitude balloons
High-altitude environments
Instruments
Lower mantle
Measuring instruments
Mesosphere
Meteorological balloons
Microwave radiometers
Microwave radiometry
Oxygen
Radiometry
Remote sensing
Satellite instruments
Satellites
Stratosphere
Temperature measurement
Temperature profile
Temperature profiles
Thermal stratification
Troposphere
Zeeman effect
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Summary:In this paper, we consider the peculiarities of using the microwave radiometry method for remote sensing of the thermal stratification of the high layers of the atmosphere: the stratosphere and the lower mesosphere in comparison with other high-altitude layers, the troposphere and the atmospheric boundary layer. Such peculiarities are a special choice of spectral channels and bandwidths, the use of limb geometry of measurements along with the nadir in satellite instruments, as well as taking into account the influence of the Zeeman effect. Characteristics for first-generation satellite microwave sounders that measure temperature profiles up to an altitude of 30 km, as well as for more modern ground-based and satellite instruments, the sounding altitude of which reaches 50 km with a nadir-measurement geometry and 100 km with a limb one, are given. The results obtained in experiments with high-altitude balloons and using experimental setups for measuring the absorption coefficient of molecular oxygen at nearly 60 GHz are presented. The capabilities of ground-based instruments for microwave remote sensing of the stratosphere temperature and the results of complex comparisons are also analyzed.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433822030070