气候变化领域集成服务门户(CCPortal): Late Quaternary climatic variability in northern Patagonia; Argentina; based on δ18O of modern and fossil shells of Amiantis purpurata (Bivalvia; Veneridae)

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DOI	10.1016/j.palaeo.2020.110012
	Late Quaternary climatic variability in northern Patagonia; Argentina; based on δ18O of modern and fossil shells of Amiantis purpurata (Bivalvia; Veneridae)
	Bayer S.; Beierlein L.; Morán G.A.; Doldán M.S.; Morsan E.M.; Brey T.; Mackensen A.; Farias L.; García G.; Gordillo S.
发表日期	2020
ISSN	0031-0182
卷号	560
英文摘要	Amiantis purpurata is a common warm-temperate water bivalve species distributed from southern Brazil to northern Patagonia, Argentina, which has a rich and well preserved fossil record in the San Matías Gulf (SMG) dating back to the late Quaternary. This study aims to establish A. purpurata shells as a new palaeoarchive of past marine conditions in South America. We compared the stable oxygen and carbon profiles (δ18Oshell; δ13Cshell) of eleven specimens of A. purpurata from different geological times (modern, Late Holocene and interglacial Late Pleistocene), and additionally present in situ oxygen isotope values of seawater within SMG (δ18Owater). Using both sets of information, we calculated and reconstructed palaeowater temperatures for the Late Holocene and compared them to modern water temperatures. Our findings indicate that A. purpurata records past environmental parameters such as water temperatures on a seasonal scale and can therefore be considered a suitable candidate for future palaeoenvironmental reconstructions in Northern Patagonia. This study is the first step towards further stable isotope analyses on fossil A. purpurata shells, which will show whether and if so, to what extent, important global climate events such as the Neoglacial (Early Holocene), the Hypsithermal (Middle Holocene) and the Little Ice Age (Late Holocene) occurred in South America. © 2020 Elsevier B.V.
英文关键词	Holocene; Oxygen isotopes; Palaeoarchives; Palaeotemperatures; Pleistocene; Seasonality
语种	英语
scopus关键词	bivalve; climate variation; fossil record; global climate; Hypsithermal; interglacial; Little Ice Age; marine environment; Neoglacial; oxygen isotope; Pleistocene-Holocene boundary; Quaternary; shell; type specimen; Argentina; Atlantic Ocean; Brazil; San Matias Gulf; Amiantis; Bivalvia; Veneridae
来源期刊	Palaeogeography, Palaeoclimatology, Palaeoecology
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/150267
作者单位	Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina; Centro de Investigaciones en Ciencias de la Tierra, (CICTERRA), CONICET and Universidad Nacional de Córdoba, Edificio CICTERRA, Ciudad Universitaria, Av. Vélez Sársfield 1611, X5016CGA, Córdoba, Argentina; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven, 27570, Germany; Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Avda. Vélez Sarsfield 299, X5016GCA, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina; Centro de Investigación Aplicada y Transferencia Tecnológica en Recursos Marinos “Almirante Storni” (CIMAS-CONICET), Güemes 1030, R8520CXV, San Antonio Oeste, Río Negro, Argentina; ESCiMar, Universidad Nacional del Comahue, San Martín 224, San Antonio Oeste, Río Negro, Argentina; Departamento de Oceanografia, ...
推荐引用方式 GB/T 7714	Bayer S.,Beierlein L.,Morán G.A.,et al. Late Quaternary climatic variability in northern Patagonia; Argentina; based on δ18O of modern and fossil shells of Amiantis purpurata (Bivalvia; Veneridae)[J],2020,560.
APA	Bayer S..,Beierlein L..,Morán G.A..,Doldán M.S..,Morsan E.M..,...&Gordillo S..(2020).Late Quaternary climatic variability in northern Patagonia; Argentina; based on δ18O of modern and fossil shells of Amiantis purpurata (Bivalvia; Veneridae).Palaeogeography, Palaeoclimatology, Palaeoecology,560.
MLA	Bayer S.,et al."Late Quaternary climatic variability in northern Patagonia; Argentina; based on δ18O of modern and fossil shells of Amiantis purpurata (Bivalvia; Veneridae)".Palaeogeography, Palaeoclimatology, Palaeoecology 560(2020).