Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1038/s41467-020-16229-1 |
Influence of tectonics on global scale distribution of geological methane emissions | |
Ciotoli, Giancarlo1,2; Procesi, Monia2; Etiope, Giuseppe2,3; Fracassi, Umberto2; Ventura, Guido2 | |
2020-05-08 | |
发表期刊 | NATURE COMMUNICATIONS
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ISSN | 2041-1723 |
出版年 | 2020 |
卷号 | 11期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | Italy; Romania |
英文摘要 | Earth's hydrocarbon degassing through gas-oil seeps, mud volcanoes and diffuse microseepage is a major natural source of methane (CH4) to the atmosphere. While carbon dioxide degassing is typically associated with extensional tectonics, volcanoes, and geothermal areas, CH4 seepage mostly occurs in petroleum-bearing sedimentary basins, but the role of tectonics in degassing is known only for some case studies at local scale. Here, we perform a global scale geospatial analysis to assess how the presence of hydrocarbon fields, basin geodynamics and the type of faults control CH4 seepage. Combining georeferenced data of global inventories of onshore seeps, faults, sedimentary basins, petroleum fields and heat flow, we find that hydrocarbon seeps prevail in petroleum fields within convergent basins with heat flow <= 98mWm(-2), and along any type of brittle tectonic structure, mostly in reverse fault settings. Areas potentially hosting additional seeps and microseepage are identified through a global seepage favourability model. CH4 seepage mostly occurs in petroleum-bearing sedimentary basins, but the role of tectonics in degassing is mostly only known at a local scale. Here, the authors conduct a global scale analysis of seeps, faults, sedimentary basins, petroleum fields and heat flow, and find that geological CH4 seepage preferably develops in convergent basins, while gas seeps can occur along any brittle tectonic structure. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000533936800029 |
WOS关键词 | MUD VOLCANOS ; NORTHERN APENNINES ; SEEPAGE ; GAS ; MIGRATION ; RELEASE ; FAULTS |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249951 |
专题 | 资源环境科学 |
作者单位 | 1.CNR, Ist Geol Ambientale & Geoingn, Via Salaria Km 29300, I-00015 Rome, Italy; 2.Ist Nazl Geofis & Vulcanol, Via Vigna Murata 605, I-00143 Rome, Italy; 3.Babes Bolyai Univ, Fac Environm Sci & Engn, Str Fantanele 30, Cluj Napoca, Romania |
推荐引用方式 GB/T 7714 | Ciotoli, Giancarlo,Procesi, Monia,Etiope, Giuseppe,et al. Influence of tectonics on global scale distribution of geological methane emissions[J]. NATURE COMMUNICATIONS,2020,11(1). |
APA | Ciotoli, Giancarlo,Procesi, Monia,Etiope, Giuseppe,Fracassi, Umberto,&Ventura, Guido.(2020).Influence of tectonics on global scale distribution of geological methane emissions.NATURE COMMUNICATIONS,11(1). |
MLA | Ciotoli, Giancarlo,et al."Influence of tectonics on global scale distribution of geological methane emissions".NATURE COMMUNICATIONS 11.1(2020). |
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