Spatial and temporal variability of convective instability in the south of Western Siberia, determined on the basis of the Total Totals index (ERA5 reanalysis)

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Spatial and temporal variability of convective instability in the south of Western Siberia, determined on the basis of the Total Totals index (ERA5 reanalysis)	774 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1117/12.2603446

Title: Spatial and temporal variability of convective instability in the south of Western Siberia, determined on the basis of the Total Totals index (ERA5 reanalysis)
Creator: Pustovalov, Konstantin N.
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Gorbatenko, Valentina P.
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Nechepurenko, Olga E.
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Nagorskiy, Petr M.
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Oglezneva, Maria V.
Date: 2021
DOI: 10.1117/12.2603446
Description: The spatial and temporal variability of convective instability in the south of Western Siberia during the summer months of 1990–2019 was analyzed using Total Totals index values computed from ERA5 (ECMWF) data. For a 30-year period and specific decades, the spatial variability of the mean Total Totals values calculated for high atmospheric instability (by values above the 75th percentile) has been estimated. Centers with maximum values of the Total Totals index were localized for the 6, 9, and 12 UTC that approximately correspond to the beginning, maximum, and end of active convection under intra-mass conditions. The intra-decadal variability of the atmospheric convective potential was evaluated based on the Total Totals index over Western Siberia. Under changing climate conditions, the areas with the greatest changes in convective potential were identified.

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collection(s): Геолого-географический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Proceedings of SPIE. 2021. 11916 : 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation. P. 119166P-1-19166P-5
Language: eng

Created: 03-06-2022

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Геолого-географический факультет Spatial and temporal variability of convective instability in the south of Western Siberia, determined on the basis of the Total Totals index (ERA5 reanalysis)