Gas venting rates from submarine hydrothermal areas around the island of Milos, Hellenic Volcanic Arc
Identifieur interne : 000271 ( Istex/Checkpoint ); précédent : 000270; suivant : 000272Gas venting rates from submarine hydrothermal areas around the island of Milos, Hellenic Volcanic Arc
Auteurs : P. R. Dando ; J. A. Hughes ; Y. Leahy ; S. J. Niven ; L. J. Taylor ; C. SmithSource :
- Continental Shelf Research [ 0278-4343 ] ; 1995.
English descriptors
- KwdEn :
- Baja california, Biologiya morya, Black sediment, Carbon dioxide, Clear trend, Continental shelf research, Cosmochimica acta, Cymodocea nodosa, Dando, Diver, East coast, Esmeralda bank, Fault lines, Flow rate, Flow rates, Freshwater research, Fytikas, Geothermal, Geothermal areas, Helium isotopes, Hydrogen content, Hydrogen sulphide, Hydrogen sulphide concentrations, Hydrogen sulphide content, Hydrothermal, Hydrothermal areas, Hydrothermal vents, Individual seeps, Kratemaya bight, Kraternaya bight, Kurile islands, Large areas, Macdonald seamount, Major component, Marine biology, Marine geology, Methane, Methane concentrations, Methane content, Milo, Norton sound, Other areas, Paleohori, Paleohori site, Planetary science letters, Plume, Scuba, Scuba divers, Seabed, Sediment, Sediment column, Sediment temperature, Sediment temperature profiles, Seeps, Southern japan, Spathi, Spathi point, Submarine hydrothermal areas, Submarine hydrothermal areas table, Submarine venting, Sulphide, Temperature measurements, Transect, Transect line, Vent, Vent density, Vent outlet, Vent outlets, Vent temperature, Venting, Venting rates, Volcanic, Volcanic arcs, Volcanic gases, Volcanic island arcs, Water column, Water depth, Water depths, White island volcano, Yankich island, Zealand journal.
- Teeft :
- Baja california, Biologiya morya, Black sediment, Carbon dioxide, Clear trend, Continental shelf research, Cosmochimica acta, Cymodocea nodosa, Dando, Diver, East coast, Esmeralda bank, Fault lines, Flow rate, Flow rates, Freshwater research, Fytikas, Geothermal, Geothermal areas, Helium isotopes, Hydrogen content, Hydrogen sulphide, Hydrogen sulphide concentrations, Hydrogen sulphide content, Hydrothermal, Hydrothermal areas, Hydrothermal vents, Individual seeps, Kratemaya bight, Kraternaya bight, Kurile islands, Large areas, Macdonald seamount, Major component, Marine biology, Marine geology, Methane, Methane concentrations, Methane content, Milo, Norton sound, Other areas, Paleohori, Paleohori site, Planetary science letters, Plume, Scuba, Scuba divers, Seabed, Sediment, Sediment column, Sediment temperature, Sediment temperature profiles, Seeps, Southern japan, Spathi, Spathi point, Submarine hydrothermal areas, Submarine hydrothermal areas table, Submarine venting, Sulphide, Temperature measurements, Transect, Transect line, Vent, Vent density, Vent outlet, Vent outlets, Vent temperature, Venting, Venting rates, Volcanic, Volcanic arcs, Volcanic gases, Volcanic island arcs, Water column, Water depth, Water depths, White island volcano, Yankich island, Zealand journal.
Abstract
Abstract: Gas seeps were located, by echo sounding, SCUBA divers and ROV observations, at hydrothermal sites around the island of Milos, in the Hellenic Volcanic Arc. Samples were collected by SCUBA divers and by a ROV from water depths between 3 and 110 m. Fifty-six flow rates from 39 individual seeps were measured and these ranged from 0.2 to 18.51 h−1 at the depth of collection. The major component, 54.9–91.9% of the gas, was carbon dioxide. Hydrogen (≤3%), methane (≤9.7%) and hydrogen sulphide (≤8.1%) were also measured. Hydrothermal free gas fluxes from the submarine hydrothermal areas around Milos were estimated to be greater than 1010 moles y−1. It was concluded that submarine gas seeps along volcanic island arcs may be an important carbon dioxide source.
Url:
DOI: 10.1016/0278-4343(95)80002-U
Affiliations:
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ISTEX:0B709BF188229180372954BD85BF7BE56DDDCC15Le document en format XML
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<term>Continental shelf research</term>
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<term>Methane concentrations</term>
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<term>Spathi point</term>
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<term>Submarine venting</term>
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<term>Vent</term>
<term>Vent density</term>
<term>Vent outlet</term>
<term>Vent outlets</term>
<term>Vent temperature</term>
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<term>Black sediment</term>
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<term>Continental shelf research</term>
<term>Cosmochimica acta</term>
<term>Cymodocea nodosa</term>
<term>Dando</term>
<term>Diver</term>
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<term>Fault lines</term>
<term>Flow rate</term>
<term>Flow rates</term>
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<term>Geothermal areas</term>
<term>Helium isotopes</term>
<term>Hydrogen content</term>
<term>Hydrogen sulphide</term>
<term>Hydrogen sulphide concentrations</term>
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<term>Marine biology</term>
<term>Marine geology</term>
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<term>Methane concentrations</term>
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<term>Sediment</term>
<term>Sediment column</term>
<term>Sediment temperature</term>
<term>Sediment temperature profiles</term>
<term>Seeps</term>
<term>Southern japan</term>
<term>Spathi</term>
<term>Spathi point</term>
<term>Submarine hydrothermal areas</term>
<term>Submarine hydrothermal areas table</term>
<term>Submarine venting</term>
<term>Sulphide</term>
<term>Temperature measurements</term>
<term>Transect</term>
<term>Transect line</term>
<term>Vent</term>
<term>Vent density</term>
<term>Vent outlet</term>
<term>Vent outlets</term>
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<front><div type="abstract" xml:lang="en">Abstract: Gas seeps were located, by echo sounding, SCUBA divers and ROV observations, at hydrothermal sites around the island of Milos, in the Hellenic Volcanic Arc. Samples were collected by SCUBA divers and by a ROV from water depths between 3 and 110 m. Fifty-six flow rates from 39 individual seeps were measured and these ranged from 0.2 to 18.51 h−1 at the depth of collection. The major component, 54.9–91.9% of the gas, was carbon dioxide. Hydrogen (≤3%), methane (≤9.7%) and hydrogen sulphide (≤8.1%) were also measured. Hydrothermal free gas fluxes from the submarine hydrothermal areas around Milos were estimated to be greater than 1010 moles y−1. It was concluded that submarine gas seeps along volcanic island arcs may be an important carbon dioxide source.</div>
</front>
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<tree><noCountry><name sortKey="Dando, P R" sort="Dando, P R" uniqKey="Dando P" first="P. R." last="Dando">P. R. Dando</name>
<name sortKey="Hughes, J A" sort="Hughes, J A" uniqKey="Hughes J" first="J. A." last="Hughes">J. A. Hughes</name>
<name sortKey="Leahy, Y" sort="Leahy, Y" uniqKey="Leahy Y" first="Y." last="Leahy">Y. Leahy</name>
<name sortKey="Niven, S J" sort="Niven, S J" uniqKey="Niven S" first="S. J." last="Niven">S. J. Niven</name>
<name sortKey="Smith, C" sort="Smith, C" uniqKey="Smith C" first="C." last="Smith">C. Smith</name>
<name sortKey="Taylor, L J" sort="Taylor, L J" uniqKey="Taylor L" first="L. J." last="Taylor">L. J. Taylor</name>
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