Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha

doi:10.1111/gcb.12670

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	Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha
	Bai, Yun-Jun ; Chen, Li-Qun ; Ranhotra, Parminder S.; Wang, Qing 4; Wang, Yu-Fei ; Li, Cheng-Sen
刊名	GLOBAL CHANGE BIOLOGY
	2015
卷号	21 期号:2 页码:874-881
关键词	North China Northern Hemisphere glaciation Paleo-CO2 Plio-Pleistocene transition stomatal index Typha orientalis
ISSN号	1354-1013
DOI	10.1111/gcb.12670
文献子类	Article
英文摘要	The Earth has undergone a significant climate switch from greenhouse to icehouse during the Plio-Pleistocene transition (PPT) around 2.7-2.4 million years ago (Ma), marked by the intensification of the Northern Hemisphere glaciation (NHG) 2.7Ma. Evidence based on oceanic CO2 [(CO2)(aq)], supposed to be in close equilibrium with the atmospheric CO2 [(CO2)(atm)], suggests that the CO2 decline might drive such climate cooling. However, the rarity of direct evidence from [CO2](atm) during the interval prevents determination of the atmospheric CO2 level and further assessment on the impact of its fluctuation. Here, we reconstruct the [CO2](atm) level during 2.77-2.52Ma based on a new developed proxy of stomatal index on Typha orientalis leaves from Shanxi, North China, and depict the first [CO2](atm) curve over the past 5Ma by using stomata-based [CO2](atm) data. Comparisons of the terrestrial-based [CO2](atm) and the existed marine-based [CO2](aq) curves show a similar general trend but with different intensity of fluctuations. Our data reveal that the high peak of [CO2](atm) occurred at 2.77-2.52Ma with a lower [CO2](aq) background. The subsequent sharp fall in [CO2](atm) level might be responsible for the intensification of the NHG based on their general temporal synchronism. These findings shed a significant light for our understanding toward the [CO2](atm) changes and its ecological impact since 5Ma.
学科主题	Biodiversity Conservation ; Ecology ; Environmental Sciences
电子版国际标准刊号	1365-2486
出版地	HOBOKEN
WOS关键词	LATE PLIOCENE ; STOMATAL DENSITY ; CARBON-DIOXIDE ; CLIMATE ; GLACIATION ; SHANXI ; PANAMA ; ONSET ; FLUCTUATIONS ; PALEOCLIMATE
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
语种	英语
出版者	WILEY
WOS记录号	WOS:000348652400030
资助机构	China National Key Basic Research Program [2014CB954201] ; National Natural Science Foundation of China [30990241, 30770148, 41072022, 41210001, 31370254, 31300186] ; State Key Laboratory of Systematic and Evolutionary Botany, IB, CAS [2012-09, 2014-03] ; Chinese Academy of Sciences ; Third World Academy of Sciences Post Doctoral fellowship [3240267228]
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/25905]
专题	系统与进化植物学国家重点实验室
作者单位	1.China Agr Univ, Coll Biol Sci, State Key Lab Plant Physiol & Biochem, Beijing 100193, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Beijing Radiat Ctr, Beijing 100875, Peoples R China 4.Ranhotra, Parminder S.] Birbal Sahni Inst Paleobot, Lucknow 226007, Uttar Pradesh, India 5.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Bai, Yun-Jun,Chen, Li-Qun,Ranhotra, Parminder S.,et al. Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha[J]. GLOBAL CHANGE BIOLOGY,2015,21(2):874-881.
APA	Bai, Yun-Jun,Chen, Li-Qun,Ranhotra, Parminder S.,Wang, Qing,Wang, Yu-Fei,&Li, Cheng-Sen.(2015).Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha.GLOBAL CHANGE BIOLOGY,21(2),874-881.
MLA	Bai, Yun-Jun,et al."Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha".GLOBAL CHANGE BIOLOGY 21.2(2015):874-881.