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17 October 2023 Changes in the total moisture content of the troposphere according to the data of GPS measurements and radiosondes
Mikhail G. Dembelov, Yuri B. Bashkuev
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Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1278056 (2023) https://doi.org/10.1117/12.2689777
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation
Abstract
The levels of integrated water vapor (IWV) within the lower part of the atmosphere are obtained from the data of the global satellite navigation system (GPS) and radiosondes (RS). Long-term trends in the total moisture content of the troposphere were obtained at the observation points IRKM (Irkutsk) and YAKT (Yakutsk). Comparison of the trends with calculations by the Hopfield model, which takes into account surface weather data, showed a better agreement between GPS measurements than RS. There is an upward trend in IWV according to GPS observations over the entire period of the study, and, despite the large latitudinal differences in the observation points, there is a positive general trend of 0.31±0.02 mm per decade.
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Mikhail G. Dembelov and Yuri B. Bashkuev "Changes in the total moisture content of the troposphere according to the data of GPS measurements and radiosondes", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1278056 (17 October 2023); https://doi.org/10.1117/12.2689777
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KEYWORDS
Water
Atmospheric modeling
Data modeling
Time metrology
Thulium
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