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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.12670
|2 doi
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|a pubmed24n0799.xml
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|a (DE-627)NLM239763939
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|a (NLM)24990109
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Bai, Yun-Jun
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Reconstructing atmospheric CO2 during the Plio-Pleistocene transition by fossil Typha
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| 264 |
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|c 2015
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 22.10.2015
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|a Date Revised 26.01.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2014 John Wiley & Sons Ltd.
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|a 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) ~2.7 Ma. 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 2.77-2.52 Ma 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 5 Ma 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 2.77-2.52 Ma 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 5 Ma
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a North China
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4 |
|a Northern Hemisphere glaciation
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| 650 |
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4 |
|a Paleo-CO2
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| 650 |
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4 |
|a Plio-Pleistocene transition
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| 650 |
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4 |
|a Typha orientalis
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| 650 |
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4 |
|a stomatal index
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| 650 |
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7 |
|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 700 |
1 |
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|a Chen, Li-Qun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ranhotra, Parminder S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yu-Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Cheng-Sen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 21(2015), 2 vom: 28. Feb., Seite 874-81
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:21
|g year:2015
|g number:2
|g day:28
|g month:02
|g pages:874-81
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.12670
|3 Volltext
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|d 21
|j 2015
|e 2
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|c 02
|h 874-81
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