Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/517
DC Field | Value | Language |
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dc.contributor.authorall | Etiope, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.authorall | Caracausi, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.authorall | Favara, R.; 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.contributor.authorall | Baciu, C.; Babes Bolyai University, Dept. of Geology, Cluj-Napoca, Romania | en |
dc.date.accessioned | 2005-11-02T14:23:22Z | en |
dc.date.available | 2005-11-02T14:23:22Z | en |
dc.date.issued | 2003 | en |
dc.identifier.uri | http://hdl.handle.net/2122/517 | en |
dc.description.abstract | The paper ‘‘Methane emission from the mud volcanoes of Sicily (Italy)’’ by Etiope et al. [2002] represents the first report ever done on experimental CH4 output data from subaerial mud volcanoes (MV). A review of available CH4 flux data and detailed discussion about the global implications of mud volcanic CH4 emission has been made elsewhere [Etiope and Klusman, 2002; Morner and Etiope, 2002]. [2] The comment by Kopf [2003] contributes to open discussions and to make the readership aware on how important this subject is. In this reply we wish to clarify that precise data of CH4 flux from geologic sources are beginning to be available only now. It would be opportune that the MV-expert community could agree in using a common unit for the gas flux. We propose t y 1 and Mt y 1, and not metres cubed, consistently with the data reported for the methane sources/sinks budget by the IPCC. [3] Sicilian MVs, the first to be measured in detail, are considerably much smaller than the Azeri Ashgil MV, mentioned by Kopf [2003], and it is therefore obvious to expect a lower gas flux. Anyway the Dashgil mud volcano flux data are not based on exact measurements but only on visual estimates of the bubbles [Hovland et al., 1997]. In order to fully reply to Kopf [2003], hereafter we briefly discuss the problem of how to estimate the total number of MVs in the world and present new data from other European MVs, recently investigated. Finally, we outline the global importance of mud volcanic CH4 emission, as Kopf [2003] and recent literature is stressing. | en |
dc.format.extent | 503 bytes | en |
dc.format.extent | 192711 bytes | en |
dc.format.mimetype | text/html | en |
dc.format.mimetype | application/pdf | en |
dc.language.iso | English | en |
dc.publisher.name | American Geophysical Union | en |
dc.relation.ispartof | Geophysical Research Letters | en |
dc.relation.ispartofseries | 2/30(2003) | en |
dc.subject | methane | en |
dc.subject | mud volcanoes | en |
dc.subject | helium | en |
dc.title | Reply to comment by A. Kopf on ‘‘Methane emission from the mud volcanoes of Sicily (Italy)’’, and notice on CH4 flux data from European mud volcanoes | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 1094 | en |
dc.identifier.URL | http://www.agu.org/ | en |
dc.subject.INGV | 01. Atmosphere::01.01. Atmosphere::01.01.02. Climate | en |
dc.subject.INGV | 02. Cryosphere::02.03. Ice cores::02.03.02. Atmospheric Chemistry | en |
dc.subject.INGV | 03. Hydrosphere::03.04. Chemical and biological::03.04.02. Carbon cycling | en |
dc.subject.INGV | 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases | en |
dc.identifier.doi | 10.1029/2002GL016287 | en |
dc.relation.references | Cranganu, C., and D. Deming, Heat flow and hydrocarbon generation in the Transylvanian basin, Romania, AAPG Bulletin, 80/10, 1641–1653, 1996. Dimitrov, L., Mud volcanoes—the most important pathway for degassing deeply buried sediments, Earth-Science Rev., 59, 49– 76, 2002. Etiope, G., and R. W. Klusman, Geologic emissions of methane into the atmosphere, Chemosphere, 49(8), 779– 791, 2002. Etiope, G., A. Caracausi, R. Favara, F. Italiano, and C. Baciu, Methane emission from the mud volcanoes of Sicily (Italy), Geophys. Res. Lett., 29(8), 14,340– 14,343, 2002. Guliyev, I. S., and A. A. Feizullayev, All about mud volcanoes, Baku Pub. House, NAFTA-Press, 120 pp., 1997. Hovland, M., and P. V. Curzi, Gas seepage and assumed mud-diapirism in the Italian central Adriatic sea, Mar. Pet. Geol., 6, 161– 169, 1989. Hovland, M., A. Hill, and D. Stokes, The structure and geomorphology of the Dashgil mud volcano, Azerbaijan, Geomorphology, 21, 1 –15, 1997. Kopf, A. J., Comment to ‘‘Methane emission from the mud volcanoes of Sicily (Italy)’’, Geophys. Res. Lett. , 30(2), 1093, doi: 10.1029/2002GL015821, 2003. Milkov, A. V., Worldwide distribution of submarine mud volcanoes and associated gas hydrates, Marine Geology, 167, 29– 42, 2000. Morner, N. A., and G. Etiope, Carbon degassing from the lithosphere,Global Planet. Change, 33(1– 2), 185– 203, 2002. | en |
dc.source.commentaryon | Etiope G., Caracausi A., Favara R., Italiano F., Baciu C. (2002) Methane emission from the mud volcanoes of Sicily (Italy). Geoph. Res. Letters 29, 14340-14343. | en |
dc.description.fulltext | partially_open | en |
dc.contributor.author | Etiope, G. | en |
dc.contributor.author | Caracausi, A. | en |
dc.contributor.author | Favara, R. | en |
dc.contributor.author | Italiano, F. | en |
dc.contributor.author | Baciu, C. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | 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 |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.department | Babes Bolyai University, Dept. of Geology, Cluj-Napoca, Romania | 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 | 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.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 | 0000-0003-4588-2935 | - |
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.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 01. Atmosphere | - |
crisitem.classification.parent | 02. Cryosphere | - |
crisitem.classification.parent | 03. Hydrosphere | - |
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 | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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