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DOI | 10.1175/JCLI-D-18-0148.1 |
Atlantic Control of the Late Nineteenth-Century Sahel Humid Period | |
Villamayor, Julian1,2; Mohino, Elsa1; Khodri, Myriam3; Mignot, Juliette3; Janicot, Serge3 | |
2018-10-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:20页码:8225-8240 |
文章类型 | Article |
语种 | 英语 |
国家 | Spain; France |
英文摘要 | Precipitation regime shifts in the Sahel region have dramatic humanitarian and economic consequences such as the severe droughts during the 1970s and 1980s. Though Sahel precipitation changes during the late twentieth century have been extensively studied, little is known about the decadal variability prior to the twentieth century. Some evidence suggests that during the second half of the nineteenth century, the Sahel was as rainy as or even more rainy than during the 1950s and 1960s. Here, we reproduce such an anomalous Sahel humid period in the late nineteenth century by means of climate simulations. We show that this increase of rainfall was associated with an anomalous supply of humidity and higher-than-normal deep convection in the mid- and high troposphere. We present evidence suggesting that sea surface temperatures (SSTs) in the Atlantic basin played the dominant role in driving decadal Sahel rainfall variability during this early period. |
英文关键词 | Precipitation Sea surface temperature Atmosphere-ocean interaction Climate models Decadal variability Multidecadal variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000443673000004 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; WEST-AFRICAN MONSOON ; RAINFALL VARIABILITY ; NORTH-ATLANTIC ; DECADAL PREDICTION ; 20TH-CENTURY ; SIMULATIONS ; DYNAMICS ; MODEL ; CLIMATE |
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/20035 |
专题 | 气候变化 |
作者单位 | 1.Univ Complutense Madrid, Madrid, Spain; 2.Inst Geociencias, Madrid, Spain; 3.Sorbonne Univ, LOCEAN,IPSL, UPMC,CNRS, IRD,MNHN, Paris, France |
推荐引用方式 GB/T 7714 | Villamayor, Julian,Mohino, Elsa,Khodri, Myriam,et al. Atlantic Control of the Late Nineteenth-Century Sahel Humid Period[J]. JOURNAL OF CLIMATE,2018,31(20):8225-8240. |
APA | Villamayor, Julian,Mohino, Elsa,Khodri, Myriam,Mignot, Juliette,&Janicot, Serge.(2018).Atlantic Control of the Late Nineteenth-Century Sahel Humid Period.JOURNAL OF CLIMATE,31(20),8225-8240. |
MLA | Villamayor, Julian,et al."Atlantic Control of the Late Nineteenth-Century Sahel Humid Period".JOURNAL OF CLIMATE 31.20(2018):8225-8240. |
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