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DOI | 10.1007/s00382-017-3548-6 |
The role of sea-ice albedo in the climate of slowly rotating aquaplanets | |
Salameh, Josiane1,2; Popp, Max3; Marotzke, Jochem1 | |
2018-04-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:2395-2410 |
文章类型 | Article |
语种 | 英语 |
国家 | Germany; USA |
英文摘要 | We investigate the influence of the rotation period () on the mean climate of an aquaplanet, with a focus on the role of sea-ice albedo. We perform aquaplanet simulations with the atmospheric general circulation model ECHAM6 for various rotation periods from one Earth-day to 365 Earth-days in which case the planet is synchronously rotating. The global-mean surface temperature decreases with increasing and sea ice expands equatorwards. The cooling of the mean climate with increasing is caused partly by the high surface albedo of sea ice on the dayside and partly by the high albedo of the deep convective clouds over the substellar region. The cooling caused by these deep convective clouds is weak for non-synchronous rotations compared to synchronous rotation. Sensitivity simulations with the sea-ice model switched off show that the global-mean surface temperature is up to 27 K higher than in our main simulations with sea ice and thus highlight the large influence of sea ice on the climate. We present the first estimates of the influence of the rotation period on the transition of an Earth-like climate to global glaciation. Our results suggest that global glaciation of planets with synchronous rotation occurs at substantially lower incoming solar irradiation than for planets with slow but non-synchronous rotation. |
英文关键词 | Non-synchronous Rotation period Aquaplanet Albedo Habitable zone |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428600200006 |
WOS关键词 | GENERAL-CIRCULATION ; HABITABLE ZONE ; PLANETS ; MODEL ; OCEAN ; PARAMETERIZATION ; SIMULATIONS ; ATMOSPHERES ; SENSITIVITY ; FEEDBACK |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/36135 |
专题 | 气候变化 |
作者单位 | 1.Max Planck Inst Meteorol, Hamburg, Germany; 2.Int Max Planck Res Sch Earth Syst Modelling, Hamburg, Germany; 3.Princeton Univ, Princeton, NJ 08544 USA |
推荐引用方式 GB/T 7714 | Salameh, Josiane,Popp, Max,Marotzke, Jochem. The role of sea-ice albedo in the climate of slowly rotating aquaplanets[J]. CLIMATE DYNAMICS,2018,50:2395-2410. |
APA | Salameh, Josiane,Popp, Max,&Marotzke, Jochem.(2018).The role of sea-ice albedo in the climate of slowly rotating aquaplanets.CLIMATE DYNAMICS,50,2395-2410. |
MLA | Salameh, Josiane,et al."The role of sea-ice albedo in the climate of slowly rotating aquaplanets".CLIMATE DYNAMICS 50(2018):2395-2410. |
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