globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00531-013-0864-x
论文题名:
Seasonality in low latitudes during the Oxfordian (Late Jurassic) reconstructed via high-resolution stable isotope analysis of the oyster Actinostreon marshi (J. Sowerby, 1814) from the Kachchh Basin, western India
作者: Alberti M.; Fürsich F.T.; Pandey D.K.
刊名: International Journal of Earth Sciences
出版年: 2013
卷: 102, 期:5
起始页码: 1321
结束页码: 1336
语种: 英语
英文关键词: India ; Jurassic ; Kachchh Basin ; Oxygen and carbon isotopes ; Palaeoclimate ; Palaeoseasonality
Scopus关键词: carbon isotope ; isotopic analysis ; Jurassic ; Oxfordian ; oxygen isotope ; paleoclimate ; paleotemperature ; reconstruction ; seasonal variation ; seasonality ; stable isotope ; Gujarat ; India ; Kutch ; Ostreidae
英文摘要: A high-resolution stable isotope (δ18O, δ13C) analysis of a specimen of the oyster Actinostreon marshi (J. Sowerby, 1814) from the Lower Oxfordian of the Kachchh Basin in western India was used to reconstruct average seasonal temperatures over a consecutive time interval of 10 years. The recorded temperatures during this period varied around a mean of 13 °C (maximum: 15.1 °C; minimum: 11.4 °C) with a generally low seasonality between 1 and 3 °C. Such weak seasonal changes can be expected from a subtropical palaeolatitude between 25° and 30°S. However, the low average temperatures are in contrast to studies on broadly contemporaneous fossils from Europe and the southern Malagasy Gulf which point to much warmer conditions in these areas. It is therefore proposed that the low temperatures in the Kachchh Basin are caused by upwelling currents which influenced the north-western coast of India during the Late Jurassic. © 2013 Springer-Verlag Berlin Heidelberg.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84878954320&doi=10.1007%2fs00531-013-0864-x&partnerID=40&md5=843d201af24abf5398e1339170fa81e8
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70541
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: GeoZentrum Nordbayern, Fachgruppe PaläoUmwelt, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loewenichstraße 28, 91054 Erlangen, Germany; Department of Geology, University of Rajasthan, Jaipur, 302004, India

Recommended Citation:
Alberti M.,Fürsich F.T.,Pandey D.K.. Seasonality in low latitudes during the Oxfordian (Late Jurassic) reconstructed via high-resolution stable isotope analysis of the oyster Actinostreon marshi (J. Sowerby, 1814) from the Kachchh Basin, western India[J]. International Journal of Earth Sciences,2013-01-01,102(5)
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