NissirosV1, Main, Exploration, bibRecord, 000344

Earthquakes increase hydrothermal venting and nutrient inputs into the Aegean

Identifieur interne : 000344 ( Main/Exploration ); précédent : 000343; suivant : 000345

Earthquakes increase hydrothermal venting and nutrient inputs into the Aegean

Auteurs : P. R. Dando [Royaume-Uni] ; J. A. Hughes [Grèce] ; Y. Leahy [Grèce] ; L. J. Taylor [Royaume-Uni] ; S. Zivanovic [Grèce]

Source :

Continental Shelf Research [ 0278-4343 ] ; 1995.

RBID : ISTEX:CB30E79FC024DDC1974C0AA90AE6475E6A676D24

Descripteurs français

Wicri :
- topic : Phosphate.

English descriptors

Abstract

Abstract: Areas of submarine gas and water venting around the island of Milos, in the Hellenic volcanic island arc, were mapped. Water samples were collected from five stations in the geothermally active Paleohori Bay on 15 March 1992. Seismic events, of Ms 5.0 and 4.4, occurred south of the Bay on 20 March and the sampling was repeated after these. Phosphate and manganese in the water column increased by 360% after the seismic activity. Analysis of water samples collected from gas and water seeps and of interstitial water from sediment cores showed that the hot sediment in the Bay was enriched in phosphate, to a mean concentration of 65 μmol l−1 in the interstitial water. The number of geothermally active areas in the Aegean, together with the extent of venting and the frequency of earthquakes suggests that the hydrothermal areas may be an important source of phosphate in this oligotrophic Sea.

Url:

https://api.istex.fr/document/CB30E79FC024DDC1974C0AA90AE6475E6A676D24/fulltext/pdf

DOI: 10.1016/0278-4343(94)E0031-G

Affiliations:

Grèce, Royaume-Uni

Links toward previous steps (curation, corpus...)

to stream Istex, to step Corpus: 000109
to stream Istex, to step Curation: 000109
to stream Istex, to step Checkpoint: 000280
to stream Main, to step Merge: 000351
to stream Main, to step Curation: 000344

Le document en format XML

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<term>Dando</term>
<term>Depth contour</term>
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<term>March samples</term>
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<term>Moles phosphate</term>
<term>Northern aegean</term>
<term>Nutrient input</term>
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<term>Phosphate</term>
<term>Phosphate concentration</term>
<term>Phosphate concentrations</term>
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<term>Primary production</term>
<term>Scuba divers</term>
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<front><div type="abstract" xml:lang="en">Abstract: Areas of submarine gas and water venting around the island of Milos, in the Hellenic volcanic island arc, were mapped. Water samples were collected from five stations in the geothermally active Paleohori Bay on 15 March 1992. Seismic events, of Ms 5.0 and 4.4, occurred south of the Bay on 20 March and the sampling was repeated after these. Phosphate and manganese in the water column increased by 360% after the seismic activity. Analysis of water samples collected from gas and water seeps and of interstitial water from sediment cores showed that the hot sediment in the Bay was enriched in phosphate, to a mean concentration of 65 μmol l−1 in the interstitial water. The number of geothermally active areas in the Aegean, together with the extent of venting and the frequency of earthquakes suggests that the hydrothermal areas may be an important source of phosphate in this oligotrophic Sea.</div>
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Earthquakes increase hydrothermal venting and nutrient inputs into the Aegean

Earthquakes increase hydrothermal venting and nutrient inputs into the Aegean

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri