globalchange  > 气候减缓与适应
DOI: 10.1016/j.quascirev.2018.06.025
Scopus记录号: 2-s2.0-85049420546
论文题名:
Investigating the environmental interpretation of oxygen and carbon isotope data from whole and fragmented bivalve shells
作者: Lacey J.H.; Leng M.J.; Peckover E.N.; Dean J.R.; Wilke T.; Francke A.; Zhang X.; Masi A.; Wagner B.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2018
卷: 194
起始页码: 55
结束页码: 61
语种: 英语
英文关键词: Bivalvia ; Dreissena carinata ; Holocene ; Lake Dojran ; Lake sediment ; Palaeoclimate ; Shell fragments ; Stable isotopes
Scopus关键词: Carbon ; Carbonation ; Forestry ; Isotopes ; Lakes ; Molluscs ; Oxygen ; Bivalvia ; Dreissena ; Holocenes ; Lake sediments ; Palaeoclimate ; Shell fragments ; Stable isotopes ; Shells (structures) ; bivalve ; carbon isotope ; carbonate ; dissolved inorganic carbon ; Holocene ; isotopic composition ; lacustrine deposit ; oxygen isotope ; paleoclimate ; paleoenvironment ; paleotemperature ; shell ; stable isotope ; water budget ; Doirani Lake ; Greece ; Macedonia [Greece] ; Bivalvia ; Dreissena
英文摘要: Sclerochronological data from whole bivalve shells have been used extensively to derive palaeoenvironmental information. However, little is known about the relevance of shell fragments more commonly preserved in the sediment record. Here, we investigate the oxygen and carbon isotope composition of Dreissena carinata fragments from a core recovered from Lake Dojran (FYRO Macedonia/Greece) to identify their relevance and efficacy as a proxy in palaeoenvironmental studies. We use a modern Dreissena shell to calibrate the relationship between the bivalve and its contemporary environment, which suggests their isotope composition is primarily a function of temperature and water balance. The range of fragment isotope data from the core overlaps with that of unbroken fossil shells, suggesting the fragments broadly record lakewater conditions across the time of deposition. A comparison of the isotope composition of shell fragments and endogenic carbonate shows an offset between the two sets of data, which is likely due to temperature differences between surface and bottom waters, the timing of carbonate precipitation, and productivity-controlled stratification of the dissolved inorganic carbon pool. Shell fragment isotope data seem to reflect the signal of environmental change recorded in other proxy data from the same core and may potentially be used (like endogenic carbonate) to provide information on past changes in lake level. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112107
Appears in Collections:气候减缓与适应

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作者单位: NERC Isotope Geosciences Facilities, British Geological Survey, Keyworth, Nottingham, United Kingdom; Centre for Environmental Geochemistry, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, United Kingdom; School of Environmental Sciences, University of East Anglia, Norwich, United Kingdom; School of Environmental Sciences, University of Hull, Hull, United Kingdom; Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Giessen, Germany; Institute of Geology and Mineralogy, University of Cologne, Cologne, Germany; School of Earth and Environmental Science, University of Wollongong, Wollongong, Australia; Institute of Loess Plateau, Shanxi University, Taiyuan, China; Department of Environmental Biology, Sapienza University, Rome, Italy

Recommended Citation:
Lacey J.H.,Leng M.J.,Peckover E.N.,et al. Investigating the environmental interpretation of oxygen and carbon isotope data from whole and fragmented bivalve shells[J]. Quaternary Science Reviews,2018-01-01,194
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