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13 December 2018 Surface air temperature and pressure anomalies in the Northern Hemisphere during the 20th century: observations and reanalyses
D. D. Bokuchava, V. A. Semenov
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083385 (2018) https://doi.org/10.1117/12.2504509
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
Observational and reanalyses data on surface air temperature and sea level pressure anomalies in the Northern Hemisphere during the 20th century are compared with a focus on the Arctic region. The evolution of temperature anomalies, the spatial distribution of temperature trends and the changes of the atmospheric centers of action (ACA) are analyzed. It is found that changes in temperature and pressure in the Northern Hemisphere extratropic latitudes throughout the 20th century have been more realistically reproduced by the European reanalyses, most successfully in CERA20C reanalysis. The NOAA20C reproduces the evolution and patterns of surface air temperature and sea level pressure anomalies changes significantly worse throughout the 20th century.
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D. D. Bokuchava and V. A. Semenov "Surface air temperature and pressure anomalies in the Northern Hemisphere during the 20th century: observations and reanalyses", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083385 (13 December 2018); https://doi.org/10.1117/12.2504509
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KEYWORDS
Climatology
Climate change
Data modeling
Atmospheric physics
Geography
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