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Seasonal Dependence of the Effect of Arctic Greening on Tropical Precipitation

Cited 4 time in scopus
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Title
Seasonal Dependence of the Effect of Arctic Greening on Tropical Precipitation
Other Titles
극지역 녹화(greening)가 적도지역 강수에 미치는 영향
Authors
Kang, Sarah M.
Kim, Baek-Min
Frierson, Dargan M. W.
Jeong, Su-Jong
Seo, Jeongbin
Chae, Yoojeong
Subject
Meteorology & Atmospheric Sciences
Keywords
arctic greening; atmospheric circulation
Issue Date
2015
Citation
Kang, Sarah M., et al. 2015. "Seasonal Dependence of the Effect of Arctic Greening on Tropical Precipitation". JOURNAL OF CLIMATE, 28(15): 6086-6095.
Abstract
mospheric energy transport across the equator by an anomalous Hadley circulation, resulting in a northward shift of the tropical precipitation. In contrast, in boreal fall, the slight increase in insolation over the Arctic is more than offset by increased outgoing longwave radiation and reduced surface turbulent fluxes in midlatitudes, from the warmer atmosphere. As a result, the Northern Hemisphere atmosphere loses energy, which is compensated by a northward cross-equatorial atmospheric energy transport, leading to a southward shift of the tropical precipitation in boreal fall. Thus, although Arctic vegetation is changed throughout the year, its effect on tropical precipitation exhibits substantial seasonal variations.
URI
http://repository.kopri.re.kr/handle/201206/6447
DOI
http://dx.doi.org/10.1175/JCLI-D-15-0079.1
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