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van Ooijen, Jan C; Rijkenberg, Micha J A; Gerringa, Loes J A; Rabe, Benjamin; Rutgers van der Loeff, Michiel M (2016): Inorganic nutrients measured on water bottle samples during POLARSTERN cruise PS94 (ARK-XXIX/3). Royal Netherlands Institute for Sea Research, Texel, PANGAEA, https://doi.org/10.1594/PANGAEA.868396

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Related to:
Schauer, Ursula (2016): The Expedition PS94 of the Research Vessel POLARSTERN to the central Arctic Ocean in 2015. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 703, 170 pp, https://doi.org/10.2312/BzPM_0703_2016
Coverage:
Median Latitude: 83.438920 * Median Longitude: 90.213403 * South-bound Latitude: 70.999330 * West-bound Longitude: 21.192830 * North-bound Latitude: 89.930170 * East-bound Longitude: -116.679830
Date/Time Start: 2015-08-19T05:23:00 * Date/Time End: 2015-10-09T04:27:00
Minimum DEPTH, water: 1.8 m * Maximum DEPTH, water: 4849.6 m
Event(s):
PS94/002-1 * Latitude: 76.675670 * Longitude: 30.005670 * Date/Time: 2015-08-19T05:23:00 * Elevation: -265.0 m * Location: Barents Sea * Campaign: PS94 (ARK-XXIX/3) * Basis: Polarstern * Method/Device: CTD/Rosette (CTD-RO)
PS94/004-1 * Latitude: 79.251170 * Longitude: 30.047830 * Date/Time: 2015-08-20T00:45:00 * Elevation: -234.0 m * Location: Barents Sea * Campaign: PS94 (ARK-XXIX/3) * Basis: Polarstern * Method/Device: CTD/Rosette (CTD-RO)
PS94/004-2 * Latitude: 79.253330 * Longitude: 30.046170 * Date/Time: 2015-08-20T01:23:00 * Elevation: -228.2 m * Location: Barents Sea * Campaign: PS94 (ARK-XXIX/3) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
Comment:
Per station different casts can exist. Depth and pressure come from the CTDs. Three different CTD systems have been used all from Seabird Electronis. See information in the cruise report (Schauer, 2016).
The nutrients phosphate (after Murphy & Riley, 1962), silicate (after Strickland & Parsons, 1968), nitrite and nitrate (after Grasshoff et al., 1983) were analysed in an air-conditioned lab container with a continuous flow auto analyser (Technicon TRAACS 800). In-between runs reproducibility better than 1.0 % , but typically 0.8% of its average value.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventGerringa, Loes J A
2Date/Time of eventDate/TimeGerringa, Loes J A
3Latitude of eventLatitudeGerringa, Loes J A
4Longitude of eventLongitudeGerringa, Loes J A
5Elevation of eventElevationmGerringa, Loes J A
6DEPTH, waterDepth watermGerringa, Loes J AGeocode
7Pressure, waterPressdbarGerringa, Loes J ACTD
8Nitrate[NO3]-µmol/lGerringa, Loes J ANitrate/Nitrite determ. (Grasshoff et al., 1983, Verlag Chemie GmbH Weinheim)Detection limit: 0.04 µmol/l
9Phosphate[PO4]3-µmol/lGerringa, Loes J ADetermination of phosphate (Murphy & Riley, 1962)Detection limit: 0.003 µmol/l
10SilicateSi(OH)4µmol/lGerringa, Loes J ASeawater analysis (Strickland & Parsons, 1968)Detection limit: 0.03 µmol/l
11Nitrite[NO2]-µmol/lGerringa, Loes J ANitrate/Nitrite determ. (Grasshoff et al., 1983, Verlag Chemie GmbH Weinheim)Detection limit: 0.008 µmol/l
12Bottle numberBottle#Gerringa, Loes J A
Size:
8220 data points

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