globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2013.05.007
Scopus记录号: 2-s2.0-84879266379
论文题名:
What do SST proxies really tell us? A high-resolution multiproxy (UK'37, TEXH86 and foraminifera δ18O) study in the Gulf of Taranto, central Mediterranean Sea
作者: Grauel A.-L.; Leider A.; Goudeau M.L.S.; Müller I.A.; Bernasconi S.M.; Hinrichs K.-U.; de Lange G.J.; Zonneveld K.A.F.; Versteegh G.J.M.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2013
卷: 73
起始页码: 115
结束页码: 131
语种: 英语
英文关键词: Foraminifera ; Lipid biomarkers ; Little Ice Age ; Mediterranean climate ; SST ; Stable isotopes
Scopus关键词: Foraminifera ; Lipid biomarkers ; Little Ice Age ; Mediterranean climates ; SST ; Stable isotopes ; Atmospheric temperature ; Climatology ; Isotopes ; Nutrients ; Surface waters ; Sediments ; amplitude ; biomarker ; coastal sediment ; coastal zone ; lipid ; Little Ice Age ; Mediterranean environment ; membrane ; nutrient availability ; oxygen isotope ; prokaryote ; reconstruction ; sea surface temperature ; stable isotope ; water column ; Gulf of Taranto ; Ionian Sea ; Mediterranean Sea ; Crenarchaeota ; Foraminifera ; Globigerinoides ruber ; Haptophyceae ; Uvigerina mediterranea
英文摘要: We present a multiproxy reconstruction of sea surface temperatures (SST) and coastal environmental changes covering the last 600 years on sediments from the Gulf of Taranto, central Mediterranean Sea. The reconstruction is based on UK'37 (alkenones from haptophytes), TEXH86 (membrane lipids of marine crenarchaeota), and δ18O and δ13C of Globigerinoides ruber (white and pink) and of Uvigerina mediterranea. The amplitudes of the temperature signals reconstructed from δ18O of G.ruber (white), TEXH86 and UK'37 exceed the amplitudes observed in other reconstructions of local and Northern Hemisphere temperature. UK'37-based SSTs reflect mainly winter/spring conditions with an additional influence of changing nutrient supplies related to water column mixing and runoff. TEXH86-based temperatures reflect SSTs of the oligotrophic summer season, while influences from near-coastal areas may complicate its interpretation. Co-variation between both lipid-based SST records suggests a common environmental mechanism during the last 600 years. δ18O of G.ruber (white) also reflects summer conditions and is amplified by changes in salinity and nutrient availability, which are caused by variations in the relative influence of the Western Adriatic Current (WAC) and of the Ionian Surface Waters (ISW). The combination of SSTTEXH86 and δ18O of G.ruber (white) shows that the circulation in the Gulf of Taranto underwent significant changes during the last 600 years. © 2013 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60587
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作者单位: Geological Institute, ETH Zurich, 8092 Zurich, Switzerland; MARUM Center for Marine Environmental Sciences, University of Bremen, 28334 Bremen, Germany; Dept. of Geosciences, University of Bremen, 28334 Bremen, Germany; Inst. Earth Sciences - Geochemistry, Geosciences, Utrecht University, 3584 CD Utrecht, Netherlands; Max Planck Institute for Marine Microbiology, 28359 Bremen, Germany

Recommended Citation:
Grauel A.-L.,Leider A.,Goudeau M.L.S.,et al. What do SST proxies really tell us? A high-resolution multiproxy (UK'37, TEXH86 and foraminifera δ18O) study in the Gulf of Taranto, central Mediterranean Sea[J]. Quaternary Science Reviews,2013-01-01,73
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