A large reduction of direct aerosol cooling over Poland in the last decades
نویسندگان
چکیده
This paper presents an analysis of the long-term (1982–2015) variability aerosol optical properties, as well and greenhouse gases (GHG) direct radiative forcing (RF) in central Europe on basis MERRA-2 reanalysis ground-based observation. Calculations longwave (LW) shortwave (SW) RF were made with use off-line Fu-Liou transfer model preceded by sensitivity study code's input parameters. Then, mean annual for selected regions properties analysed. The AOD trend was −0.056 ± 9% per decade reduced 48% between 1982 2015. While 1982–1990 −0.12 20%, 1991–2000 it −0.17 17% only −0.02 31% last 15 years (2001–2015). (ARF) 1.52 0.12 W·m−2/10 year 1.21 0.19 at top atmosphere (TOA) Earth's surface, respectively. GHG significantly smaller equalled 0.27 0.01 TOA 0.17 surface. Changes effect produced additional 3.2 0.2 W·m−2 TOA, which could be associated observed regional climate warming. change about 4 times RF. influence loading reduction radiation budget higher 1990s 20th century comparison to first decades 21st. has significant impact air temperature changes during warm season negligible winter.
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ژورنال
عنوان ژورنال: International Journal of Climatology
سال: 2021
ISSN: ['0899-8418', '1097-0088']
DOI: https://doi.org/10.1002/joc.7488