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DOI | 10.1029/2020GL087518 |
Controls on the Tropical Response to Abrupt Climate Changes | |
Roberts, W. H. G.1,2; Hoperoft, P. O.2,3 | |
2020-03-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | England |
英文摘要 | Abrupt climate change events during glacial times have distinct tropical imprints, despite their cause being at high latitudes. The mechanisms by which high latitudes affect low latitudes are currently unclear. We present climate model simulations of a set of different abrupt events and find changes in tropical rainfall can not be comprehensively explained by either changes in sea ice extent or ocean circulation. Changes in tropical meridional temperature gradients are the clearest way to explain tropical rainfall changes across all events. We find some tropical regions are unlikely to record Heinrich events because the rainfall is moved far enough away from them during stadial periods that they are insensitive to further change. Greenland temperature responds linearly to Atlantic sea ice extent, suggesting that the absence of change in Greenland temperature during Heinrich events implies no sea ice expansion, despite major changes in the climate system elsewhere. |
英文关键词 | abrupt climate changes tropics ITCZ paleoclimate teleconnections |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000529097700030 |
WOS关键词 | ATLANTIC-OCEAN CIRCULATION ; NORTH-ATLANTIC ; OVERTURNING CIRCULATION ; COUPLED MODEL ; SIMULATION ; RAINFALL ; CYCLE ; LINK |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/279844 |
专题 | 气候变化 |
作者单位 | 1.Northumbria Univ, Dept Geog & Environm Sci, Newcastle Upon Tyne, Tyne & Wear, England; 2.Univ Bristol, Sch Geog Sci, BRIDGE, Bristol, Avon, England; 3.Univ Birmingham, Geog Earth & Environm Sci, Birmingham, W Midlands, England |
推荐引用方式 GB/T 7714 | Roberts, W. H. G.,Hoperoft, P. O.. Controls on the Tropical Response to Abrupt Climate Changes[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(6). |
APA | Roberts, W. H. G.,&Hoperoft, P. O..(2020).Controls on the Tropical Response to Abrupt Climate Changes.GEOPHYSICAL RESEARCH LETTERS,47(6). |
MLA | Roberts, W. H. G.,et al."Controls on the Tropical Response to Abrupt Climate Changes".GEOPHYSICAL RESEARCH LETTERS 47.6(2020). |
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