globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.09.013
论文题名:
Sea surface temperature record of a Late Cretaceous tropical Southern Tethys upwelling system
作者: Alsenz H.; Regnery J.; Ashckenazi-Polivoda S.; Meilijson A.; Ron-Yankovich L.; Abramovich S.; Illner P.; Almogi-Labin A.; Feinstein S.; Berner Z.; Püttmann W.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2013
卷: 392
起始页码: 350
结束页码: 358
语种: 英语
英文关键词: Late Cretaceous upwelling system ; Late Santonian cooling ; Sea surface temperature ; Southern Tethys ; TEX86
英文摘要: Late Cretaceous sea surface temperatures (SSTs) were reconstructed based on TEX86 data from the unique high productivity upwelling system in the Southern Tethys margin, Israel. SSTs were determined from two oil shale sequences of the Santonian-early Maastrichtian (~85 to 68Ma) in southern (Efe Syncline) and central (Shefela basin) Israel (paleo latitude 8-15°N). These two sampling sites represent the inner and outer belts of the upwelling system. Our TEX86 data indicate a significant long-term SST cooling trend from 36.0 to 29.3°C during the late Santonian and the early Campanian in the Southern Tethys margin consistent with the opening of the Equatorial Atlantic Gateway (EAG).Based on our data from the equatorial region and literature data from the polar region we reassessed the equator to pole SST gradient to 22. °C. This value is closer to the modern ocean equator-to-pole SST gradient (30. °C) than suggested from previous studies.Furthermore, the SST data suggests the presence of cooler surface water in the inner belt (27.7. °C) caused by the upwelling system and warmer surface water (29.2. °C) further seaward in the outer belt. © 2013 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/69551
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作者单位: Institute of Atmospheric and Environmental Sciences, Department of Environmental Analytical Chemistry, Goethe-University, 60438 Frankfurt am Main, Germany; Department of Geological and Environmental Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel; Institutes of Mineralogy and Geochemistry, Fridericiana University of Karlsruhe, Karlsruhe, Germany; Geological Survey of Israel, Jerusalem, Israel; Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, United States; Dead Sea and Arava Science Center, Neve Zohar, Dead Sea mobile post 86910, Israel

Recommended Citation:
Alsenz H.,Regnery J.,Ashckenazi-Polivoda S.,et al. Sea surface temperature record of a Late Cretaceous tropical Southern Tethys upwelling system[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2013-01-01,392
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