/* DATA DESCRIPTION: Citation: Ólafsson, Jón; Takahashi, Taro (2006): Hydrochemistry measured on water bottle samples at station B5/87_320 during the MRI-LDEO cooperative study. Marine Research Institute, Reykjavik / Iceland, PANGAEA, https://doi.org/10.1594/PANGAEA.400830 Related to: Chipman, D W; Marra, John; Takahashi, Taro (1993): Primary production at 47°N and 20°W in the North Atlantic Ocean: a comparison between the 14C incubation method and the mixed layer budget. Deep Sea Research Part II: Topical Studies in Oceanography, 40(1-2), 151-169, https://doi.org/10.1016/0967-0645(93)90011-B Grasshoff, Klaus (1970): A simultaneous multiple channel system for nutrient analysis in seawater with analog and digital data record. Technicon International Congress 1969, 11, 133-145 Murphy, Judith A; Riley, J P (1962): A modified single solution method for the determination of phosphate in natural waters. Analytica Chimica Acta, 27, 31-36, https://doi.org/10.1016/S0003-2670(00)88444-5 Takahashi, Taro; Ólafsson, Jón; Goddard, J G; Chipman, D W; Sutherland, Stewart C (1993): Seasonal variation of CO2 and nutrient salts over the high latitude oceans: A comparative study. Global Biogeochemical Cycles, 7(4), 843-878, https://doi.org/10.1029/93GB02263 Coverage: LATITUDE: 63.000000 * LONGITUDE: -21.466700 DATE/TIME START: 1987-06-12T06:00:00 * DATE/TIME END: 1987-06-12T06:00:00 MINIMUM DEPTH, water: 0 m * MAXIMUM DEPTH, water: 980 m Event(s): B5/87_320 (46BS1987-5_320) * LATITUDE: 63.000000 * LONGITUDE: -21.466700 * DATE/TIME: 1987-06-12T06:00:00 * ELEVATION: -1008.0 m * LOCATION: North Atlantic * CAMPAIGN: B05/87 * BASIS: Bjarni Saemundsson * METHOD/DEVICE: CTD/Rosette (CTD-RO) Comment: For pCO2 measurements were about 0.5 liter of air equilibrated with sample. Sample volume 4. Nutrient samples are collected in 250 ml soft low density polyethylene acid washed bottles. They are kept refrigerated until analysis if it was not carried out soon after sampling. Otherwisee samples are stored at -20°C. Parameter(s): DEPTH, water [m] (Depth water) * GEOCODE Temperature, water [°C] (Temp) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: CTD Salinity (Sal) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: CTD Pressure, water [dbar] (Press) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: CTD Density, mass density [kg/m**3] (Density) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: Calculated Oxygen [µmol/l] (O2) * PI: Ólafsson, Jón (jon@hafro.is) Phosphate [µmol/l] ([PO4]3-) * PI: Ólafsson, Jón (jon@hafro.is) Nitrate [µmol/l] ([NO3]-) * PI: Ólafsson, Jón (jon@hafro.is) Silicate [µmol/l] (Si(OH)4) * PI: Ólafsson, Jón (jon@hafro.is) Carbon dioxide, total [µmol/l] (TCO2) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: Coulometric titration (Knap et al., 1996, IOC Manuals and Guides 29, UNESCO) (URI: hdl:10013/epic.27912.d001) * COMMENT: Known volume loops; sample volume: 20-25 g Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) [µatm] (pCO2water_SST_wet) * PI: Ólafsson, Jón (jon@hafro.is) * METHOD/DEVICE: Gas chromatography * COMMENT: Measured close to in situ temperature - theta normalized License: Creative Commons Attribution 3.0 Unported (CC-BY-3.0) (URI: https://creativecommons.org/licenses/by/3.0/) Size: 130 data points */ Depth water [m] Temp [°C] Sal Press [dbar] Density [kg/m**3] O2 [µmol/l] [PO4]3- [µmol/l] [NO3]- [µmol/l] Si(OH)4 [µmol/l] TCO2 [µmol/l] pCO2water_SST_wet [µatm] 0 9.670 35.156 0.0 1027.130 307.70 0.33 6.31 0.10 2127.2 279.000 5 9.680 35.163 5.0 1027.134 308.59 0.33 6.21 0.10 10 9.650 35.150 10.0 1027.129 309.04 0.33 6.11 0.10 20 8.700 35.148 20.0 1027.282 330.48 0.35 6.01 0.10 30 8.050 35.141 30.0 1027.377 321.10 0.47 9.22 0.10 50 7.850 35.138 50.0 1027.405 292.52 0.86 11.43 2.51 75 7.420 35.146 75.0 1027.474 283.14 0.93 14.44 6.72 100 7.310 35.143 101.0 1027.488 288.05 0.94 14.74 6.92 150 7.220 35.142 151.0 1027.500 287.16 0.90 14.44 6.92 200 7.150 35.135 201.0 1027.504 291.18 0.88 14.64 6.92 300 7.030 35.136 302.0 1027.522 290.73 0.88 15.14 7.02 400 7.030 35.162 403.0 1027.543 286.71 0.90 15.34 7.22 500 6.940 35.156 504.0 1027.550 287.60 0.93 15.64 7.22 595 6.750 35.144 599.0 1027.567 269.74 1.00 16.84 8.22 785 5.650 35.063 791.0 1027.647 253.66 1.14 18.25 9.93 980 4.630 35.022 988.0 1027.735 274.21 1.08 17.75 9.83