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Title: LATITUDINAL VARIATIONS OF VOLCANIC SULFATE AND ITS INFLUENCE ON AIR TEMPERATURE
LATITUDINAL VARIATIONS OF VOLCANIC SULFATE AND ITS INFLUENCE ON AIR TEMPERATURE

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Yavor Chapanov
10.5593/sgem2022/4.1/s19.43
10.5593/sgem2022/4.1
1314-2704
978-619-7603-44-6
English
22
4.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Air Pollution and Climate Change
The climate change is strongly affected by the increase of anthropogenic greenhouse gas emissions, such as carbon dioxide, methane, nitrous oxide, and fluorinated gases. Other important atmospheric factors of climate change are stratospheric sulfur aerosols, whose ability to reflect solar radiation back to the space cause cooling effect. Sulfur aerosols have common natural and anthropogenic origin. The volcanos are a major source of particles in the stratosphere, whose lifetime depends on various atmospheric processes – water condensation, rains and winds. Chapanov determines long-term influence of Total Solar Irradiance (TSI) on global volcanic sulfate with periodicity 93-230 years in [1]. A new monthly volcanic forcing dataset had been created by Ammann et al. [8,9]. This dataset presents the seasonal and latitudinal influence on global climate, where negative radiative forcing from volcanic activity is visible in the early 20th century and after 1960. The monthly volcanic data cover the period between 1890 and 1999. The volcanic aerosols are calculated in 64 zonal band with latitude step of 2.8 degrees. The variations of sulfur aerosols over European latitude belt (39.2 N – 56 N) are compared with mean temperature and cycles of solar Indices. Common temperature and sulfur cycles are investigated by means of the Method of Partial Fourier Approximation (PFA). These cycles have good agreement in 11 narrow frequency bands, whose periodicity are between 2.9 and 36.6 years. Possible use of the results in climate study and forecast is discussed.
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[6] Zielinski, G.A., and Mershon, G.R., Paleoenvironmental implications of the insoluble microparticle record in the GISP2 (Greenland) ice core during the rapidly changing climate of the Pleistocene-Holocene transition. Geological Society of America Bulletin 109, 547-559, 1997.
[7] Zielinski, G.A., Fiacco, R.J., Mayewski, P.A., Meeker, L.D., Whitlow, S.I., Twickler, M.S., Germani, M.S., Endo, K. and Yasui, M., Climatic impact of the A.D. 1783 Asama (Japan) eruption was minimal: Evidence from the GISP2 ice core. Geophysical Research Letters 21. 2365-2368, 1994
[8] Ammann, C.M., et al., 2003, Monthly Volcanic Forcing Data for Climate Modeling 1890-1999, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2003-049. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.
[9] Ammann, C.M., G.A. Meehl, W.M. Washington, and C. S. Zender, 2003, A monthly and latitudinally varying volcanic forcing dataset in simulations of 20th century climate, Geophysical Research Letters, Vol. 30, No. 12, 1657
The study is supported by the National Science Fund of Bulgaria, Contract KP-06- N34/1 /30-09-2020 "Natural and anthropogenic factors of climate change – analyzes of global and local periodical components and long-term forecasts"
conference
https://doi.org/10.5593/sgem2022/4.1/s19.43
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
333-340
04 - 10 July, 2022
website
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volcanic sulfate, air temperature, climate variations