globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2016.10.012
论文题名:
African hydroclimatic variability during the last 2000 years
作者: Nash D.J.; De Cort G.; Chase B.M.; Verschuren D.; Nicholson S.E.; Shanahan T.M.; Asrat A.; Lézine A.-M.; Grab S.W.
刊名: Quaternary Science Reviews
出版年: 2016
卷: 154
起始页码: 1
结束页码: 22
语种: 英语
英文关键词: Africa ; Holocene ; Little Ice Age ; Medieval Climate Anomaly ; Palaeoclimatology
Scopus关键词: Arid regions ; Glacial geology ; Water resources ; Africa ; Holocenes ; Little Ice Age ; Medieval climate anomalies ; Palaeoclimatology ; Climate change
英文摘要: The African continent is characterised by a wide range of hydroclimate regimes, ranging from humid equatorial West Africa to the arid deserts in the northern and southern subtropics. The livelihoods of much of its population are also vulnerable to future climate change, mainly through variability in rainfall affecting water resource availability. A growing number of data sources indicate that such hydroclimatic variability is an intrinsic component of Africa's natural environment. This paper, co-authored by members of the PAGES Africa 2k Working Group, presents an extensive assessment and discussion of proxy, historical and instrumental evidence for hydroclimatic variability across the African continent, spanning the last two millennia. While the African palaeoenvironmental record is characterised by spatially disjunctive datasets, with often less-than-optimal temporal resolution and chronological control, the available evidence allows the assessment of prominent spatial patterns of palaeomoisture variability through time. In this study, we focus sequentially on data for six major time windows: the first millennium CE, the Medieval Climate Anomaly (900–1250 CE), the Little Ice Age (1250–1750 CE), the end of the LIA (1750–1850 CE), the Early Modern Period (1850–1950), and the period of recent warming (1950 onwards). This results in a continent-wide synthesis of regional moisture-balance trends through history, allowing consideration of possible driving mechanisms, and suggestions for future research. © 2016 Elsevier Ltd
资助项目: Nash, D.J. ; School of Environment and Technology, University of Brighton, Lewes Road, United Kingdom ; 电子邮件: d.j.nash@brighton.ac.uk
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59372
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作者单位: School of Environment and Technology, University of Brighton, Lewes Road, Brighton, United Kingdom; School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Private Bag 3, Wits, South Africa; Department of Earth Sciences, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren, Belgium; Limnology Unit, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Ghent, Belgium; Centre National de Recherche Scientifique, UMR 5554, Institut des Sciences de l'Evolution de Montpellier, Université Montpellier, Bat.22, CC061, Place Eugène Bataillon, cedex5, Montpellier, France; Department of Earth, Ocean and Atmospheric Science, Florida State University, P.O. Box 3064520, Tallahassee, FL, United States; Department of Geological Sciences, University of Texas at Austin, EPS RM 1.130, 1 University Station C9000, Austin, TX, United States; School of Earth Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia; Sorbonne Universités, UPMC, University Paris 06, CNRS-IRD-MNHN, LOCEAN/IPSL Laboratory, 4 Place Jussieu, Paris, France

Recommended Citation:
Nash D.J.,De Cort G.,Chase B.M.,et al. African hydroclimatic variability during the last 2000 years[J]. Quaternary Science Reviews,2016-01-01,154
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