globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2020.116387
论文题名:
Estimation of temperature – altitude gradients during the Pleistocene–Holocene transition from Swiss stalagmites
作者: Ghadiri E.; Affolter S.; Brennwald M.S.; Fleitmann D.; Häuselmann A.D.; Cheng H.; Maden C.; Leuenberger M.; Kipfer R.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 544
语种: 英语
中文关键词: stable isotope ; stalagmite ; temperature – altitude gradient
英文关键词: Atmospheric temperature ; Caves ; Isotopes ; Altitude gradients ; Climatic conditions ; Estimation of temperatures ; Local temperature ; Noble gas temperatures ; Paleotemperatures ; Temperature reconstruction ; Temperature sensitivity ; Inert gases ; altitude ; climate variation ; estimation method ; paleotemperature ; Pleistocene-Holocene boundary ; reconstruction ; speleothem ; stalagmite ; temperature gradient ; Jura Mountains ; Switzerland
英文摘要: Experimental reconstruction of temperature - altitude in the past remain often elusive. With the development of a combined vacuum crushing and sieving system (CVCS), it is now possible to determine paleotemperatures from the noble gases dissolved in minute amounts of water from inclusions in speleothems that have grown under a broad range of climatic conditions. Here we present noble gas temperature (NGT) estimates during the last deglaciation, which are based on two stalagmites from Milandre Cave (stalagmite M6) and Grotte aux Fées de Vallorbe (stalagmite GEF1), Jura Mountains, Switzerland. The caves are located at different geographical altitudes (Milandre Cave: 373 m a.s.l. and Grotte aux Fées de Vallorbe: 895 m a.s.l.) and thus allow for a reconstruction of the respective temperature – altitude gradients within Switzerland during the last deglaciation. Our reconstruction shows that the past temperature – altitude gradients are within 1σ error in agreement with the modern temperature – altitude gradient, suggesting that the local temperature – altitude gradient was rather stable over time. In addition to the noble gas analysis, we complemented our study with deuterium (δDFI) and oxygen isotope (δ18OFI) measurements of fluid inclusion water. In combination with NGTs, this allows us to reconstruct the past δ18OFI – δDFI / temperature relation. These reconstructions show that the temporal temperature sensitivity of δ18OFI and δDFI (Δ(δ18OFI) / Δ(T) and Δ(δDFI) / Δ(T)) seems to be stable over time and therefore support the use of water isotopes for temperature reconstructions in Switzerland. © 2020 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/164984
Appears in Collections:气候变化与战略

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作者单位: Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Water Resources and Drinking Water, Überlandstrasse 133, Dübendorf, 8600, Switzerland; ETH Zürich, Department of Environmental System Sciences, Institute of Biogeochemistry and Pollutant Dynamics, Universitätstrasse 16, Zürich, 8092, Switzerland; Climate and Environmental Physics, Physics Institute, University of Bern, Bern, 3012, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, Bern, 3012, Switzerland; Department of Environmental Sciences, Faculty of Science, University of Basel, Basel, Switzerland; Institute of Geological Sciences, University of Bern, Bern, 3012, Switzerland; Department of Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455, United States; Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, 710049, China; ETH Zürich, Department of Earth Sciences, Institute of Geochemistry and Petrology, Clausiusstrasse 25, Zürich, 8092, Switzerland

Recommended Citation:
Ghadiri E.,Affolter S.,Brennwald M.S.,et al. Estimation of temperature – altitude gradients during the Pleistocene–Holocene transition from Swiss stalagmites[J]. Earth and Planetary Science Letters,2020-01-01,544
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