Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/2759
DC Field | Value | Language |
---|---|---|
dc.contributor.authorall | Etiope, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.authorall | Martinelli, G.; APAT Emilia Romagna | en |
dc.contributor.authorall | Caracausi, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.authorall | Italiano, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.date.accessioned | 2007-11-07T12:58:06Z | en |
dc.date.available | 2007-11-07T12:58:06Z | en |
dc.date.issued | 2007-07 | en |
dc.identifier.uri | http://hdl.handle.net/2122/2759 | en |
dc.description.abstract | Molecular composition, CH4 isotopes and gas flux of all main terrestrial mud volcanoes and other methane seeps in Italy are being assessed for the first time. Whereas 74% of the Italian gas reservoirs are biogenic, about 80% of the seeps release thermogenic gas. Dry-seep gas generally maintains the reservoir C1/(C2 + C3) ‘‘Bernard’’ ratio while mud volcanoes show molecular fractionation likely occurring during advective migration. Accordingly, a simple and direct use of the ‘‘Bernard’’ parameter might be misleading when applied to mud volcanoes as it could not always reflect the reservoir composition. Methane flux into the atmosphere from macro-seep areas is in the order of 102–106 t km-2y-1. Microseepage is widespread throughout large areas and, on a regional scale, it provides the main methane output. A first emission estimate for the total hydrocarbon-prone area of Italy suggests levels of 105 t y-1, comparable to national sources fromfossil fuel industry | en |
dc.language.iso | English | en |
dc.publisher.name | AGU | en |
dc.relation.ispartof | Geophysical Research Letters | en |
dc.relation.ispartofseries | 34 (2007) | en |
dc.subject | Methane | en |
dc.subject | Seeps | en |
dc.subject | mud volcanoes | en |
dc.title | Methane seeps and mud volcanoes in Italy: gas origin, fractionation and emission to the atmosphere. | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | L14303 | en |
dc.subject.INGV | 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases | en |
dc.identifier.doi | 10.1029/2007GL030341 | en |
dc.description.obiettivoSpecifico | 4.5. Degassamento naturale | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Etiope, G. | en |
dc.contributor.author | Martinelli, G. | en |
dc.contributor.author | Caracausi, A. | en |
dc.contributor.author | Italiano, F. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.department | APAT Emilia Romagna | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | ARPA Emilia-Romagna | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia | - |
crisitem.author.orcid | 0000-0001-8614-4221 | - |
crisitem.author.orcid | 0000-0003-2510-2890 | - |
crisitem.author.orcid | 0000-0002-9465-6398 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 03. Hydrosphere | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
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File | Description | Size | Format | Existing users please Login |
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Etiope-etal-GRL-CH4-ITALY.pdf | Article | 202.57 kB | Adobe PDF |
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