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DOI | 10.1175/JCLI-D-18-0134.1 |
Evolution of the Global Coupled Climate Response to Arctic Sea Ice Loss during 1990-2090 and Its Contribution to Climate Change | |
Sun, Lantao1,2; Alexander, Michael2; Deser, Clara3 | |
2018-10-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:19页码:7823-7843 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The role of transient Arctic sea ice loss in the projected greenhouse gas-induced late-twentieth- to late-twenty-first-century climate change is investigated using the Geophysical Fluid Dynamics Laboratory's Coupled Model version 3. Two sets of simulations have been conducted, one with representative concentration pathway (RCP) 8.5 radiative forcing and the second with RCP forcing but with Arctic sea ice nudged to its 1990 state. The difference between the two five-member sets indicates the influence of decreasing Arctic sea ice on the climate system. Within the Arctic, sea ice loss is found to be a primary driver of the surface temperature and precipitation changes. Arctic sea ice depletion also plays a dominant role in projected Atlantic meridional overturning circulation weakening and changes in North Atlantic extratropical sea surface temperature and salinity, especially in the first half century. The effect of present-day Arctic sea ice loss on Northern Hemisphere (NH) extratropical atmospheric circulation is small relative to internal variability and the future sea ice loss effect on atmospheric circulation is distinct from the projected anthropogenic change. Arctic sea ice loss warms NH extratropical continents and is an important contributor to global warming not only over high latitudes but also in the eastern United States. Last, the Arctic sea ice loss displaces the Pacific intertropical convergence zone (ITCZ) equatorward and induces a mini-global warming in the tropical upper troposphere. |
英文关键词 | Arctic Sea ice Atmospheric circulation Thermohaline circulation Climate change Climate models |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000441738900002 |
WOS关键词 | MERIDIONAL OVERTURNING CIRCULATION ; LOW-FREQUENCY VARIABILITY ; ATMOSPHERIC RESPONSE ; POLEWARD MOISTURE ; OCEAN ; AMPLIFICATION ; IMPACT ; WINTER ; TEMPERATURE ; MECHANISMS |
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/20279 |
专题 | 气候变化 |
作者单位 | 1.Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA; 2.NOAA, Phys Sci Div, Earth Syst Res Lab, Boulder, CO 80305 USA; 3.Natl Ctr Atmospher Res, Climate & Global Dynam, POB 3000, Boulder, CO 80307 USA |
推荐引用方式 GB/T 7714 | Sun, Lantao,Alexander, Michael,Deser, Clara. Evolution of the Global Coupled Climate Response to Arctic Sea Ice Loss during 1990-2090 and Its Contribution to Climate Change[J]. JOURNAL OF CLIMATE,2018,31(19):7823-7843. |
APA | Sun, Lantao,Alexander, Michael,&Deser, Clara.(2018).Evolution of the Global Coupled Climate Response to Arctic Sea Ice Loss during 1990-2090 and Its Contribution to Climate Change.JOURNAL OF CLIMATE,31(19),7823-7843. |
MLA | Sun, Lantao,et al."Evolution of the Global Coupled Climate Response to Arctic Sea Ice Loss during 1990-2090 and Its Contribution to Climate Change".JOURNAL OF CLIMATE 31.19(2018):7823-7843. |
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