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Middle Cretaceous pCO(2) Variation in Yumen, Gansu Province and its Response to the Climate Events
Lei Xiangtong1,2,3; Du Zhen1,2; Du Baoxia1,2,3; Zhang Mingzhen4; Sun Bainian1,2
2018-04-01
Source PublicationACTA GEOLOGICA SINICA-ENGLISH EDITION
ISSN1000-9515
Volume92Issue:2Pages:801-813
AbstractThe palaeo-atmospheric CO2 concentration (pCO(2)) variation in the Yumen, Gansu Province during the middle Cretaceous has been reconstructed using the newly established plant photosynthetic gas exchange mechanistic model, and the results show that the pCO(2) values are in the range of about 550-808 ppmv. The present pCO(2) values are higher than the pCO(2) results (531-641 ppmv) of the previous study according to the Recent standardization of the stomatal ratio method, and much lower than the pCO(2) results (882-1060 ppmv) according to the Carboniferous standardization of the stomatal ratio method(.) The present pCO(2) variation is not only within the error range of GEOCARB II and GEOCARB III but also is similar to the reconstructed results based on the biochemistry and carbon isotope models. Besides, the present Brachyphyllum specimens were collected from four consecutive horizons of the upper Zhonggou Formation of the Hanxia Section, and the reconstructed pCO(2) exhibits the reconstructed pCO(2) exhibits a decline trend during the late Aptian to early Albian. This decline variation is probably associated with the Oceanic Anoxic Events (OAE1b) and the Cold snap event. With the combination of pCO(2) during the Albian to Cenomanian recovered by the plant photosynthetic gas exchange mechanistic model, the pCO(2) showed a prominent increase during the late Aptian to early Cenominian, which indicates a response to the greenhouse warming during the middle Cretaceous. Therefore, the mechanical model of the plant photosynthetic gas exchange shows a relatively strong accuracy in the reconstruction of the pCO(2) and can reflect a strong relation between the atmospheric CO2 concentrations and climatic events.
KeywordpCO(2) greenhouse climate plant photosynthetic gas exchange mechanical model OAE1b Cold snap
DOI10.1111/1755-6724.13555
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS
WOS KeywordATMOSPHERIC CARBON-DIOXIDE ; OCEANIC ANOXIC EVENTS ; STOMATAL FREQUENCY-ANALYSIS ; NORTHWEST CHINA ; JIUQUAN BASIN ; PALEOCLIMATIC SIGNIFICANCE ; CO2 CONCENTRATION ; PHANEROZOIC TIME ; SEAWATER COMPOSITION ; CENOZOIC EVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[41402007] ; National Natural Science Foundation of China[41602023] ; National Natural Science Foundation of China[40972025] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS[153102]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000437257000021
PublisherWILEY
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/94009
Collection兰州油气中心
Corresponding AuthorDu Baoxia
Affiliation1.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Gansu, Peoples R China
2.Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Gansu, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources, Gansu Prov Key Lab Petr Resources Res, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Lei Xiangtong,Du Zhen,Du Baoxia,et al. Middle Cretaceous pCO(2) Variation in Yumen, Gansu Province and its Response to the Climate Events[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2018,92(2):801-813.
APA Lei Xiangtong,Du Zhen,Du Baoxia,Zhang Mingzhen,&Sun Bainian.(2018).Middle Cretaceous pCO(2) Variation in Yumen, Gansu Province and its Response to the Climate Events.ACTA GEOLOGICA SINICA-ENGLISH EDITION,92(2),801-813.
MLA Lei Xiangtong,et al."Middle Cretaceous pCO(2) Variation in Yumen, Gansu Province and its Response to the Climate Events".ACTA GEOLOGICA SINICA-ENGLISH EDITION 92.2(2018):801-813.
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