globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.02.027
论文题名:
Sea-surface temperature reconstruction of the Quaternary western South Atlantic: New planktonic foraminiferal correlation function
作者: Chapori N.G.; Chiessi C.M.; Bickert T.; Laprida C.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 425
起始页码: 67
结束页码: 75
语种: 英语
英文关键词: Multivariate correlation-function ; Planktonic foraminifera ; Quaternary ; Sea-surface temperature ; Western south atlantic
英文摘要: We provide a new multivariate calibration-function based on South Atlantic modern assemblages of planktonic foraminifera and atlas water column parameters from the Antarctic Circumpolar Current to the Subtropical Gyre and tropical warm waters (i.e., 60°S to 0°S). Therefore, we used a dataset with the abundance pattern of 35 taxonomic groups of planktonic foraminifera in 141 surface sediment samples. Five factors were taken into consideration for the analysis, which account for 93% of the total variance of the original data representing the regional main oceanographic fronts. The new calibration-function F141-35-5 enables the reconstruction of Late Quaternary summer and winter sea-surface temperatures with a statistical error of ~. 0.5°C. Our function was verified by its application to a sediment core extracted from the western South Atlantic. The downcore reconstruction shows negative anomalies in sea-surface temperatures during the early-mid Holocene and temperatures within the range of modern values during the late Holocene. This pattern is consistent with available reconstructions. © 2015 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68984
Appears in Collections:过去全球变化的重建

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作者单位: IDEAN - Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires - CONICET, Ciudad Universitaria, Intendente Güiraldes 2160, Buenos Aires, Argentina; School of Arts, Sciences and Humanities, University of São Paulo, Av. Arlindo Bettio 1000, São Paulo, SP, Brazil; MARUM - Center for Marine Environmental Sciences, University of Bremen, Leobener Str., Bremen, Germany

Recommended Citation:
Chapori N.G.,Chiessi C.M.,Bickert T.,et al. Sea-surface temperature reconstruction of the Quaternary western South Atlantic: New planktonic foraminiferal correlation function[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,425
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