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7 December 2022 10-year trend of vertically integrated water vapor over Ulan-Ude
Mikhail G. Dembelov, Yuri B. Bashkuev
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Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234168 (2022) https://doi.org/10.1117/12.2644826
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia
Abstract
The time series of troposphere moisture content levels obtained at the ULAZ point (Ulan-Ude, N51°48′, E107°37′, h=517 m) were compared according to GPS observations and surface meteorological observations during 2011 - 2020. The calculation of the total zenith tropospheric delay (ZTD) from surface weather data was performed using a simplified formula for mid-latitudes, when the troposphere height for water vapor was limited to 11 km. The linear trend of the total moisture content PW at the ULAZ according to GPS observations was +0.91 mm per decade and +0.82 mm per decade according to surface weather data. Although a 10-year period may not accurately reflect real climate trends, it is nevertheless possible to make an estimate of a marked positive change.
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Mikhail G. Dembelov and Yuri B. Bashkuev "10-year trend of vertically integrated water vapor over Ulan-Ude", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234168 (7 December 2022); https://doi.org/10.1117/12.2644826
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KEYWORDS
Water
Environmental sensing
Diamond
Reliability
Time metrology
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