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DOI	10.1016/j.quascirev.2020.106259
	A proxy for all seasons? A synthesis of clumped isotope data from Holocene soil carbonates
	Kelson, Julia R.1,2; Huntington, Katharine W.1; Breecker, Daniel O.3; Burgener, Landon K.4; Gallagher, Timothy M.3; Hoke, Gregory D.5; Petersen, Sierra, V 2
通讯作者	Kelson, Julia R.
来源期刊	QUATERNARY SCIENCE REVIEWS
ISSN	0277-3791
EISSN	1873-457X
出版年	2020
卷号	234
英文摘要	Soil carbonates are important paleoclimate archives, but interpretations of their isotopic compositions (delta O-18, delta C-13, and Delta(47)) are hampered by uncertainty in the annual timing of their accumulation. Several previous studies have inferred the annual timing of soil carbonate formation by comparing modern air/soil temperatures with temperatures estimated from the clumped isotopic composition (T Delta(47)) of Holocene soil carbonates. Here, we compile the existing Delta(47) data to first consider if recent changes in Delta(47) standardization methods alters the apparent seasonal biases. Then we explore the importance of various environmental parameters on soil carbonate T Delta(47) and discuss implications for associated paleoclimate reconstructions. Most soil carbonates record T Delta(47) values higher than mean annual air temperature, but the residual varies from -4 to +24 degrees C. Delta(47) values for most observed soil profiles do not vary with depth. We find that the grain size of the soil matrix, timing of precipitation, and presence of vegetation each explain a portion of the observed variance in seasonal bias and can be used to aid in interpretations of T Delta(47) values from paleosols. In some soil carbonates, a warm-season bias in T Delta(47) is accompanied with calculated delta O-18 values of soil water that appear to be biased toward the delta O-18 of summer rainfall. Most estimated values of delta O-18 of soil water are within 2 parts per thousand of the delta O-18 values of mean annual rainfall. Where possible, paleoclimate reconstructions should consider precipitation timing, soil texture, and vegetation cover to aid in identifying the seasonal bias of soil carbonate stable isotopic compositions. (C) 2020 Elsevier Ltd. All rights reserved.
英文关键词	Stable isotopes Paleoclimatology Global Cenozoic Holocene
类型	Article
语种	英语
国家	USA
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000525791800010
WOS关键词	AIR TEMPERATURE TRACKING ; CHINESE LOESS PLATEAU ; STABLE-ISOTOPE ; PEDOGENIC CARBONATE ; PALEOSOL CARBONATES ; ENVIRONMENTAL-CHANGE ; C-13-O-18 BONDS ; OXYGEN ISOTOPES ; MOJAVE DESERT ; LATE MIOCENE
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Physical Geography ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/315393
作者单位	1.Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA; 2.Univ Michigan, Dept Earth & Environm Sci, Ann Arbor, MI 48109 USA; 3.Univ Texas Austin, Dept Geol Sci, Austin, TX 78712 USA; 4.NC State Univ, Dept Marine Earth & Atmospher Sci, Raleigh, NC USA; 5.Syracuse Univ, Dept Earth Sci, Syracuse, NY USA
推荐引用方式 GB/T 7714	Kelson, Julia R.,Huntington, Katharine W.,Breecker, Daniel O.,et al. A proxy for all seasons? A synthesis of clumped isotope data from Holocene soil carbonates[J],2020,234.
APA	Kelson, Julia R..,Huntington, Katharine W..,Breecker, Daniel O..,Burgener, Landon K..,Gallagher, Timothy M..,...&Petersen, Sierra, V.(2020).A proxy for all seasons? A synthesis of clumped isotope data from Holocene soil carbonates.QUATERNARY SCIENCE REVIEWS,234.
MLA	Kelson, Julia R.,et al."A proxy for all seasons? A synthesis of clumped isotope data from Holocene soil carbonates".QUATERNARY SCIENCE REVIEWS 234(2020).