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CH4 and CO2 Emissions From Mud Volcanoes on the Southern Margin of the Junggar Basin, NW China: Origin, Output, and Relation to Regional Tectonics
Chen, Zhi1; Li, Ying1; Liu, Zhaofei1; Zheng, Guodong2; Xu, Wang2; Yan, Wei3; Yi, Li1
2019-05-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
ISSN2169-9313
Volume124Issue:5Pages:5030-5044
AbstractThe concentrations, isotope ratios, and fluxes of CH4 and CO2 from mud volcanoes measured during a field survey on the southern margin of the Junggar Basin are reported. The origins and outputs of CH4 and CO2 from the four mud volcanoes are assessed, and the relationship between the characteristics of degassing and regional tectonics is discussed. The geochemical data indicate that thermogenic gases derived from the hydrocarbon reservoirs beneath anticlines could be the main source of the CH4 emitted from the mud volcanoes and that hydrocarbon degradation by microbes and carbonate decomposition could be the primary contributors to CO2 emissions from the soil in and around the mud volcanoes. Microseepage was the main mode of release for CH4 and CO2 from the mud volcanoes. The total CH4 output from the mud volcanoes was 147.83 ton/year, comparable to that from mud volcanoes elsewhere. The total output of CO2 from the mud volcanoes was 603.96 ton/year, which suggests that more attention should be paid to CO2 from mud volcanoes. The CH4 and CO2 outputs from the mud volcanoes, and from the Xihu fold in the four anticlines, decreased from south to north. This observation is consistent with the intensity of regional tectonic activity, which weakens from south to north. The results suggest that regional compression is the major triggering mechanism for CH4 and CO2 emissions from the mud volcanoes.
KeywordCH4 emission CO2 emission mud volcanoes gas origins tectonic relations
DOI10.1029/2018JB016822
Funding OrganizationNatural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration
WOS KeywordCHEMICAL-COMPOSITION ; NORTHERN APENNINES ; SOIL RESPIRATION ; METHANE EMISSION ; CARBON ISOTOPES ; GAS EMISSIONS ; NATURAL-GAS ; TIAN-SHAN ; FLUX ; EVOLUTION
Language英语
Funding ProjectNatural Science Foundation of China[41402298] ; Natural Science Foundation of China[41503114] ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration[2015IES0401] ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration[2016IES0102] ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration[2019IEF0703]
Funding OrganizationNatural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000477721500041
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/92925
Collection兰州油气中心
Corresponding AuthorLi, Ying
Affiliation1.China Earthquake Adm, Inst Earthquake Forecasting, CEA Key Lab Earthquake Predict, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Gansu Prov Key Lab Petr Resources Res, Key Lab Petr Resources, Lanzhou, Gansu, Peoples R China
3.Earthquake Adm Xinjiang Uygur Autonomous Reg, Urumqi, Peoples R China
Recommended Citation
GB/T 7714
Chen, Zhi,Li, Ying,Liu, Zhaofei,et al. CH4 and CO2 Emissions From Mud Volcanoes on the Southern Margin of the Junggar Basin, NW China: Origin, Output, and Relation to Regional Tectonics[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2019,124(5):5030-5044.
APA Chen, Zhi.,Li, Ying.,Liu, Zhaofei.,Zheng, Guodong.,Xu, Wang.,...&Yi, Li.(2019).CH4 and CO2 Emissions From Mud Volcanoes on the Southern Margin of the Junggar Basin, NW China: Origin, Output, and Relation to Regional Tectonics.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,124(5),5030-5044.
MLA Chen, Zhi,et al."CH4 and CO2 Emissions From Mud Volcanoes on the Southern Margin of the Junggar Basin, NW China: Origin, Output, and Relation to Regional Tectonics".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 124.5(2019):5030-5044.
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