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DOI	10.1029/2020RG000722
	The Properties of Annually Laminated Stalagmites-A Global Synthesis
	Baker, Andy; Mariethoz, Gregoire; Comas-Bru, Laia; Hartmann, Andreas; Frisia, Silvia; Borsato, Andrea; Treble, Pauline C.; Asrat, Asfawossen
通讯作者	Baker, A (corresponding author), UNSW Sydney, Sch Biol Earth & Environm Sci, Sydney, NSW, Australia.
来源期刊	REVIEWS OF GEOPHYSICS
ISSN	8755-1209
EISSN	1944-9208
出版年	2021
卷号	59 期号:2
英文摘要	Annually laminated speleothems have the potential to provide information on high-frequency climate variability and, simultaneously, provide good chronological constraints. However, there are distinct types of speleothem annual laminae, from physical to chemical, and a common mechanism that links their formation has yet to be found. Here, we analyzed annually laminated stalagmites from 23 caves and 6 continents with the aim to find if there are common mechanisms underlying their development. Annually laminated stalagmites are least common in arid and semiarid climates, and most common in regions with a seasonality of precipitation. At a global scale, we observe faster growth rates with increasing mean annual temperature and decreasing latitude. Changepoints in average growth rates are infrequent and age-depth relationships demonstrate that growth rates can be approximated to be constant. In general, annually laminated stalagmites are characterized by centennial-scale stability in calcite precipitation due to a sufficiently large and well-mixed water source, a time series spectrum showing first-order autoregression due to mixing of stored water and annual recharged water, and an inter-annual flickering of growth acceleration, bringing growth rates back to the long-term mean. Climate forcing of growth rate variations is observed where a multi-year climate signal is strong enough to be the dominant control on calcite growth rate variability, such that it retains a climate imprint after smoothing of this signal by mixing of stored water. In contrast, long-term constant growth rate of laminated stalagmites adds further robustness to their unparalleled capacity to improve accuracy of chronology building.
英文关键词	geochronology growth rate lamina paleoclimate stalagmite
类型	Review
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000667476800003
WOS关键词	INTERTROPICAL CONVERGENCE ZONE ; NORTH-ATLANTIC OSCILLATION ; CLIMATE VARIABILITY ; CALCITE FABRICS ; STABLE-ISOTOPE ; RAINFALL VARIABILITY ; ANNUAL-RESOLUTION ; SOLAR-ACTIVITY ; ANNUAL GROWTH ; DRIP WATER
WOS类目	Geochemistry & Geophysics
WOS研究方向	Geochemistry & Geophysics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368709
作者单位	[Baker, Andy; Hartmann, Andreas; Treble, Pauline C.] UNSW Sydney, Sch Biol Earth & Environm Sci, Sydney, NSW, Australia; [Mariethoz, Gregoire] Univ Lausanne, Inst Earth Surface Dynam IDYST, Lausanne, Switzerland; [Comas-Bru, Laia] Univ Reading, Sch Archaeol Geog & Environm Sci, Reading, Berks, England; [Hartmann, Andreas] Albert Ludwigs Univ Freiburg, Chair Hydrol Modeling & Water Resources, Freiburg, Germany; [Frisia, Silvia; Borsato, Andrea] Univ Newcastle, Sch Environm & Life Sci, Callaghan, NSW, Australia; [Baker, Andy; Treble, Pauline C.] ANSTO, Lucas Heights, NSW, Australia; [Asrat, Asfawossen] Addis Ababa Univ, Sch Earth Sci, Addis Ababa, Ethiopia
推荐引用方式 GB/T 7714	Baker, Andy,Mariethoz, Gregoire,Comas-Bru, Laia,et al. The Properties of Annually Laminated Stalagmites-A Global Synthesis[J],2021,59(2).
APA	Baker, Andy.,Mariethoz, Gregoire.,Comas-Bru, Laia.,Hartmann, Andreas.,Frisia, Silvia.,...&Asrat, Asfawossen.(2021).The Properties of Annually Laminated Stalagmites-A Global Synthesis.REVIEWS OF GEOPHYSICS,59(2).
MLA	Baker, Andy,et al."The Properties of Annually Laminated Stalagmites-A Global Synthesis".REVIEWS OF GEOPHYSICS 59.2(2021).