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DOI | 10.1073/pnas.1717784115 |
South American monsoon response to iceberg discharge in the North Atlantic | |
Strikis, Nicolas M.1,2; Cruz, Francisco W.2; Barreto, Eline A. S.2; Naughton, Filipa3,4; Vuille, Mathias5; Cheng, Hai6,7; Voelker, Antje H. L.3,4; Zhang, Haiwei7; Karmann, Ivo2; Edwards, R. Lawrence6; Auler, Augusto S.8; Santos, Roberto Ventura9; Sales, Hamilton Reis10 | |
2018-04-10 | |
发表期刊 | PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA |
ISSN | 0027-8424 |
出版年 | 2018 |
卷号 | 115期号:15页码:3788-3793 |
文章类型 | Article |
语种 | 英语 |
国家 | Brazil; Portugal; USA; Peoples R China |
英文摘要 | Heinrich Stadials significantly affected tropical precipitation through changes in the interhemispheric temperature gradient as a result of abrupt cooling in the North Atlantic. Here, we focus on changes in South American monsoon precipitation during Heinrich Stadials using a suite of speleothem records covering the last 85 ky B.P. from eastern South America. We document the response of South American monsoon precipitation to episodes of extensive iceberg discharge, which is distinct from the response to the cooling episodes that precede the main phase of ice-rafted detritus deposition. Our results demonstrate that iceberg discharge in the western subtropical North Atlantic led to an abrupt increase in monsoon precipitation over eastern South America. Our findings of an enhanced Southern Hemisphere monsoon, coeval with the iceberg discharge into the North Atlantic, are consistent with the observed abrupt increase in atmospheric methane concentrations during Heinrich Stadials. |
英文关键词 | Heinrich Stadial South American monsoon speleothem ice-rafted detritus |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000429540300046 |
WOS关键词 | INTERTROPICAL CONVERGENCE ZONE ; LAST GLACIAL PERIOD ; HEINRICH EVENT 1 ; CLIMATE VARIABILITY ; GREENLAND ICE ; NORTHEASTERN BRAZIL ; SUMMER MONSOON ; PRECIPITATION ; RECORDS ; DEGLACIATION |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
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/204894 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Univ Fed Fluminense, Dept Geoquim, BR-24020141 Niteroi, RJ, Brazil; 2.Univ Sao Paulo, Inst Geociencias, BR-05508080 Sao Paulo, Brazil; 3.Inst Portugues Mar & Atmosfera, P-1495006 Lisbon, Portugal; 4.Algarve Univ, Ctr Marine Sci, P-8005139 Faro, Portugal; 5.SUNY Albany, Dept Atmospher & Environm Sci, Albany, NY 12222 USA; 6.Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA; 7.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Shaanxi, Peoples R China; 8.Inst Carste, BR-30360260 Belo Horizonte, MG, Brazil; 9.Univ Brasilia, Inst Geociencias, BR-70297400 Brasilia, DF, Brazil; 10.Inst Fed Educ Ciencia & Tecnol Norte Minas Gerais, BR-39480000 Januaria, Brazil |
推荐引用方式 GB/T 7714 | Strikis, Nicolas M.,Cruz, Francisco W.,Barreto, Eline A. S.,et al. South American monsoon response to iceberg discharge in the North Atlantic[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2018,115(15):3788-3793. |
APA | Strikis, Nicolas M..,Cruz, Francisco W..,Barreto, Eline A. S..,Naughton, Filipa.,Vuille, Mathias.,...&Sales, Hamilton Reis.(2018).South American monsoon response to iceberg discharge in the North Atlantic.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,115(15),3788-3793. |
MLA | Strikis, Nicolas M.,et al."South American monsoon response to iceberg discharge in the North Atlantic".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.15(2018):3788-3793. |
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