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Testing multiple pCO2 proxies from the Lower Cretaceous of the Laiyang Basin, eastern China

文献类型：期刊论文

作者Jin, Peihong1,2; Zhang, Mingzheng1; Lei, Xiangtong3; Du, Baoxia2,4; Dong, Junling5; Sun, Bainian2,4
刊名CRETACEOUS RESEARCH
出版日期2023
卷号141页码:15
ISSN号0195-6671
关键词Early Cretaceous Cuticle Stomatal ratio Mechanistic model Carbon isotope model
DOI10.1016/j.cretres.2022.105352
英文摘要In recent decades, several proxies have been developed to reconstruct atmospheric palaeo-CO2 con-centrations (pCO2). The confidence in pCO2 estimates can be increased by comparing results from multiple proxies with multiple species at a single site. Here, we develop a new pCO2 record for the Hauterivian-Barremian using three distinct proxies applied to two fossil coniferous species (Cupressi-nocladus sp. and Brachyphyllum obtusum) collected from Laiyang Basin, eastern China. The pCO2 values were 579-663 ppmv (recent standardization) and 966-1106 ppmv (Carboniferous standardization) based on the stomatal ratio (SR)-based method, and 472-525 ppmv based on the mechanistic model. All the pCO2 values calculated by these two methods here were highly coincident with those reconstructed by other SR-based and geochemical methods during the early stage of the Early Cretaceous. The pCO2 value estimated using the carbon isotope model was 202-409 ppmv, which is generally lower than the pCO2 value estimated using the other methods. The comparison and discussion of the results and theoretical mechanism from these three proxies indicate that the mechanistic model may be more feasible when used to reconstruct the pCO2 in the geological period. Furthermore, compared with data from other pCO2 records in the Early Cretaceous, the pCO2 values obtained in this study indicate a relatively low atmospheric CO2 concentration during the Hauterivian-Barremian and reflect the cooling climate in the early stage of Early Cretaceous.(c) 2022 Elsevier Ltd. All rights reserved.
WOS关键词ATMOSPHERIC CARBON-DIOXIDE ; CO2 CONCENTRATION ; SHANDONG PROVINCE ; FOSSIL GINKGO ; ISOTOPE DISCRIMINATION ; STOMATAL CHARACTERS ; PEDOGENIC CARBONATE ; NINGMING FORMATION ; CONIFER GLENROSA ; CLIMATE-CHANGE
资助项目Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0704] ; National Natural Science Foundation of China[41902017] ; Natural Science Foundation of Gansu Province[2021000050] ; Key Laboratory Project of Gansu Province[SZDKFJJ20201208] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[203103] ; CAS he CASey Laboratory of Program[E029080101]
WOS研究方向Geology ; Paleontology
语种英语
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
WOS记录号WOS:000868913500001
资助机构Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; 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) ; CAS he CASey Laboratory of Program ; CAS he CASey Laboratory of Program ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; 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) ; CAS he CASey Laboratory of Program ; CAS he CASey Laboratory of Program ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; 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) ; CAS he CASey Laboratory of Program ; CAS he CASey Laboratory of Program ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; 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) ; CAS he CASey Laboratory of Program ; CAS he CASey Laboratory of Program
源URL[http://ir.iggcas.ac.cn/handle/132A11/107820]  
专题地质与地球物理研究所_兰州油气中心
通讯作者Zhang, Mingzheng
作者单位1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Peoples R China
3.Yunnan Univ, Inst Palaeontol, Yunnan Key Lab Palaeobiol, Kunming 650000, Yunnan, Peoples R China
4.Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Prov, Lanzhou 730000, Peoples R China
5.Chengdu Univ Technol, Inst Sedimentary Geol, State Key Lab Oil & Gas Reservoir Geol & Exploitat, Chengdu 610059, Peoples R China
推荐引用方式
GB/T 7714		 Jin, Peihong,Zhang, Mingzheng,Lei, Xiangtong,et al. Testing multiple pCO2 proxies from the Lower Cretaceous of the Laiyang Basin, eastern China[J]. CRETACEOUS RESEARCH,2023,141:15.
APA Jin, Peihong,Zhang, Mingzheng,Lei, Xiangtong,Du, Baoxia,Dong, Junling,&Sun, Bainian.(2023).Testing multiple pCO2 proxies from the Lower Cretaceous of the Laiyang Basin, eastern China.CRETACEOUS RESEARCH,141,15.
MLA Jin, Peihong,et al."Testing multiple pCO2 proxies from the Lower Cretaceous of the Laiyang Basin, eastern China".CRETACEOUS RESEARCH 141(2023):15.

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来源：地质与地球物理研究所

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