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Demina, Lyudmila L; Atnashev, Vitaly B (1989): Concentrations of dissolved and particulate heavy metals in waters above the northwestern slope of the Paramushir Island (Sea of Okhotsk) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.757685, Supplement to: Demina, LL; Atnashev, VB (1989): Anomalous behavior of metals in the vicinity of an underwater gas vent off Paramushir Island, Sea of Okhotsk. Oceanology, 29(6), 708-714

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Abstract:
Distributions of Mn, Fe, Cu, Cd, Cr, Co and Ni in sea water are investigated (42 samples, dissolved and particulate forms) in the vicinity of the underwater gas vent field on the northwestern slope of the Paramushir Island. While regular background distributions of the elements occur in the shore zone, there is a column of elevated concentrations of particulate matter, particulate Mn, and dissolved Mn, Fe, Cu, Cd, Cr, Co and Ni that coincides with location of the gas plume. This column can be traced as high as 780 m above the bottom. High metal concentrations in water of the plume are attributable to physico-chemical concentration at the phase interface; the source of elevated mineral concentrations is obviously flux of dissolved minerals from interstitial waters, which extends to considerable distances in vertical direction.
Project(s):
Coverage:
Median Latitude: 50.505000 * Median Longitude: 155.322944 * South-bound Latitude: 50.441667 * West-bound Longitude: 155.163333 * North-bound Latitude: 50.575000 * East-bound Longitude: 155.517833
Minimum DEPTH, water: 30 m * Maximum DEPTH, water: 969 m
Event(s):
AMK11A-1392 * Latitude: 50.514000 * Longitude: 155.302000 * Elevation: -792.0 m * Method/Device: Multiple investigations (MULT)
AMK11A-1395 * Latitude: 50.515000 * Longitude: 155.303500 * Elevation: -782.0 m * Method/Device: Multiple investigations (MULT)
AMK11A-1397 * Latitude: 50.507667 * Longitude: 155.291000 * Elevation: -796.0 m * Method/Device: Multiple investigations (MULT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5DEPTH, waterDepth watermGeocode
6Total particulate matterTPMmg/lSmirnov, V IFiltration
7Manganese 2+Mn2+µg/lSmirnov, V IAtomic absorption spectrometry (AAS)total dissolved
8Manganese 2+Mn2+µg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
9Manganese, particulateMn partng/lSmirnov, V IAtomic absorption spectrometry (AAS)
10IronFeµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
11IronFeµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
12ChromiumCrµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
13ChromiumCrµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
14CopperCuµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
15CopperCuµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
16NickelNiµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
17NickelNiµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
18CobaltCoµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
19CobaltCoµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
20CadmiumCdµg/lSmirnov, V IAtomic absorption spectrometry (AAS)dissolved
21CadmiumCdµg/lSmirnov, V IAtomic absorption spectrometry (AAS)particulate
Size:
607 data points

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