气候变化领域集成服务门户(CCPortal): Kauri Tree-Ring Stable Isotopes Reveal a Centennial Climate Downturn Following the Antarctic Cold Reversal in New Zealand

CCPortal

DOI	10.1029/2020GL090299
	Kauri Tree-Ring Stable Isotopes Reveal a Centennial Climate Downturn Following the Antarctic Cold Reversal in New Zealand
	Pauly M.; Turney C.S.M.; Palmer J.G.; Büntgen U.; Brauer A.; Helle G.
发表日期	2021
ISSN	0094-8276
卷号	48 期号:2
英文摘要	The dynamics of the Late Glacial have been demonstrated by numerous records from the Northern Hemisphere and far fewer from the Southern Hemisphere (SH). SH paleoclimate records reveal a general warming trend, interrupted by a deglaciation pause Antarctic Cold Reversal (ACR; ∼14,700–13,000 cal BP). Here, we present decadal tree-ring stable isotope chronologies (δ18O, δ13C) from New Zealand (NZ) subfossil kauri trees (n = 6) covering the post-ACR millennium from 13,020 to 11,850 cal BP. We find a distinct, simultaneous downturn (∼12,625–12,375 cal BP) in all tree-ring proxies paralleling regional tree growth declines, suggesting a widespread climate deterioration. This downturn was characterized by sustained high precipitation, low temperatures, and high relative humidity in NZ with incoming weather fronts from the South Ocean. Despite these promising results, questions remain about what drove the Kauri Downturn and how the hydroclimatic conditions were altered during this time period. © 2020. The Authors.
英文关键词	Deterioration; Isotopes; Antarctic cold reversals; Climate deterioration; High relative humidities; Hydroclimatic conditions; Low temperatures; Northern Hemispheres; Paleoclimate records; Southern Hemisphere; Forestry; chronology; climate conditions; hydrometeorology; late glacial; Northern Hemisphere; paleoclimate; Southern Hemisphere; stable isotope; tree ring; New Zealand
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/169210
作者单位	Section “Climate Dynamics and Landscape Evolution”, GFZ German Research Centre for Geosciences, Potsdam, Germany; Department of Earth Sciences, Section of Palaeontology, Free University of Berlin, Berlin, Germany; School of Science, Bath Spa University, Bath, United Kingdom; School of Biological, Earth and Environmental Sciences, Palaeontology, Geobiology and Earth Archives Research Centre (PANGEA), University of New South Wales, Sydney, Australia; Department of Geography, University of Cambridge, Cambridge, United Kingdom; Global Change Research Centre and Masaryk University, Brno, Czech Republic
推荐引用方式 GB/T 7714	Pauly M.,Turney C.S.M.,Palmer J.G.,et al. Kauri Tree-Ring Stable Isotopes Reveal a Centennial Climate Downturn Following the Antarctic Cold Reversal in New Zealand[J],2021,48(2).
APA	Pauly M.,Turney C.S.M.,Palmer J.G.,Büntgen U.,Brauer A.,&Helle G..(2021).Kauri Tree-Ring Stable Isotopes Reveal a Centennial Climate Downturn Following the Antarctic Cold Reversal in New Zealand.Geophysical Research Letters,48(2).
MLA	Pauly M.,et al."Kauri Tree-Ring Stable Isotopes Reveal a Centennial Climate Downturn Following the Antarctic Cold Reversal in New Zealand".Geophysical Research Letters 48.2(2021).