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Veldhuis, Marcel J W; Fransz, H George; de Bruin, Taco F (1996): Organic carbon and nitrogen in marine sediment from short time moorings during TYDEMAN cruise DCM. PANGAEA,, In: Veldhuis, MJW et al. (1996): Oceanography during TYDEMAN cruise DCM (DeepChlorMax) to the Equatorial Atlantic. PANGAEA,

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Median Latitude: 33.779333 * Median Longitude: -24.255000 * South-bound Latitude: 33.636667 * West-bound Longitude: -32.715000 * North-bound Latitude: 33.963333 * East-bound Longitude: -21.828333
Date/Time Start: 1996-08-21T04:51:00 * Date/Time End: 1996-08-27T05:02:00
Minimum DEPTH, water: 130 m * Maximum DEPTH, water: 300 m
DCM400-64 * Latitude: 33.636667 * Longitude: -32.715000 * Date/Time: 1996-08-21T04:51:00 * Campaign: DCM (DeepChlorMax) * Basis: Tydeman * Method/Device: Trap (TRAP)
DCM500-2 * Latitude: 33.963333 * Longitude: -22.460000 * Date/Time: 1996-08-24T05:17:00 * Campaign: DCM (DeepChlorMax) * Basis: Tydeman * Method/Device: Trap (TRAP)
DCM500-34 * Latitude: 33.870000 * Longitude: -22.238333 * Date/Time: 1996-08-25T04:53:00 * Campaign: DCM (DeepChlorMax) * Basis: Tydeman * Method/Device: Trap (TRAP)
Marine sediments for determination of organic carbon and nitrogen was collected using paired funnel-shaped traps (0.0314 m**2 opening) suspending on buoys at two depths. One set of traps was deployed at 300 m, the other ones just below the chlorophyll maximum. After 24 hours traps were recovered and the marine sediment filtered on pre-combusted GF/C filters and stored at -20°C. Organic carbon was determined after removing carbonate carbon by acidification with sulfurous acid.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Date/Time of eventDate/Time
3Latitude of eventLatitude
4Longitude of eventLongitude
5DEPTH, waterDepth watermGeocode
6Nitrogen, total, fluxN fluxmg/m2/dayWernand, Marcel RobertElement analyser CNS, Carlo Erba NA1500
7Carbon, total, fluxC fluxmg/m2/dayWernand, Marcel RobertElement analyser CNS, Carlo Erba NA1500
8Carbon/Nitrogen ratioC/NWernand, Marcel RobertCalculated
9Sample commentSample commentWernand, Marcel Robertabsolute weight content
40 data points

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