globalchange  > 科学计划与规划
DOI: 10.1002/2015GL063763
论文题名:
Saturn's giant storm and global radiant energy
作者: Li L.; Jiang X.; Trammell H.J.; Pan Y.; Hernandez J.; Conrath B.J.; Gierasch P.J.; Achterberg R.K.; Nixon C.A.; Flasar F.M.; Perez-Hoyos S.; West R.A.; Baines K.H.; Knowles B.
刊名: Geophysical Research Letters
ISSN: 0094-8812
EISSN: 1944-8543
出版年: 2015
卷: 42, 期:7
起始页码: 2144
结束页码: 2148
语种: 英语
英文关键词: giant storm ; radiant energy budget ; Saturn
Scopus关键词: Budget control ; Heat flux ; Planets ; Solar energy ; Cassini ; Internal heat ; Radiant energy ; Saturn ; Seasonal changes ; Southern Hemisphere ; Temporal variation ; Storms ; heat flux ; periodicity ; planetary wave ; Saturn ; solar power ; Southern Hemisphere ; temporal variation
英文摘要: We analyze the relationship between Saturn's radiant energies and the 2010 giant storm with the Cassini observations. The storm increased the emitted power in a wide latitudinal band (20-55N) with a maximum change of 9.2 ± 0.1% around 45N from 2010 to 2011. Such a regional change caused the global-average emitted power to increase by ∼2.0 ± 0.2%. Saturn's giant storm occurs quasiperiodically (i.e., period approximately one Saturnian year), so it is possible that giant storms continuously modify the emitted power if the storm modification has a lifetime close to one Saturnian year. The hemispheric-average emitted power in the southern hemisphere, which was mainly affected by the seasonal change, decreased by 8.5 ± 0.3% from 2004 to 2013. Our estimates also imply that the 2010 giant storm significantly modified the absorbed solar power of Saturn. The significant temporal variations of radiant powers should be considered in reexamining the value of Saturn's internal heat flux. ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84928698582&doi=10.1002%2f2015GL063763&partnerID=40&md5=45a757bc7a25def8d3a64fa4b6b66864
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8428
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: University of Houston, Houston, TX, United States

Recommended Citation:
Li L.,Jiang X.,Trammell H.J.,et al. Saturn's giant storm and global radiant energy[J]. Geophysical Research Letters,2015-01-01,42(7).
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