/* DATA DESCRIPTION: Citation: Ólafsson, Jón; Takahashi, Taro (2006): Hydrochemistry measured on water bottle samples at station B7/84_707 during the MRI-LDEO cooperative study. Marine Research Institute, Reykjavik / Iceland, PANGAEA, https://doi.org/10.1594/PANGAEA.400842 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: 68.000000 * LONGITUDE: -18.833300 DATE/TIME START: 1984-08-25T11:00:00 * DATE/TIME END: 1984-08-25T11:00:00 MINIMUM DEPTH, water: 0 m * MAXIMUM DEPTH, water: 1000 m Event(s): B7/84_707 (46BS1984-7_707) * LATITUDE: 68.000000 * LONGITUDE: -18.833300 * DATE/TIME: 1984-08-25T11:00:00 * ELEVATION: -1044.0 m * LOCATION: North Atlantic * CAMPAIGN: B07/84 * 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 License: Creative Commons Attribution 3.0 Unported (CC-BY-3.0) (URI: https://creativecommons.org/licenses/by/3.0/) Size: 129 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] 0 3.180 30.679 0.0 1024.423 351.46 0.17 0.10 0.60 1914.6 5 3.120 30.687 5.0 1024.434 351.91 0.17 0.10 0.60 10 3.460 31.621 10.0 1025.149 361.74 0.13 0.10 0.50 20 2.100 34.099 20.0 1027.242 397.02 0.16 1.30 0.40 30 1.160 34.443 30.0 1027.587 372.90 0.41 4.82 1.00 50 1.800 34.662 50.0 1027.717 342.53 0.67 7.72 2.91 75 1.240 34.779 75.0 1027.851 324.67 0.87 11.74 5.62 100 0.060 34.747 101.0 1027.899 338.51 0.88 12.44 5.62 150 0.490 34.836 151.0 1027.946 326.01 0.92 13.44 6.62 200 0.100 34.843 201.0 1027.974 328.69 0.90 13.34 6.62 300 -0.060 34.874 302.0 1028.008 324.67 0.91 13.04 6.82 400 -0.150 34.886 403.0 1028.022 320.20 0.92 13.24 7.32 500 -0.200 34.903 504.0 1028.038 320.20 0.86 11.44 6.62 600 -0.300 34.897 604.0 1028.039 313.50 0.92 13.34 8.23 800 -0.530 34.914 806.0 1028.063 312.61 0.96 13.54 8.93 1000 -0.630 34.914 1008.0 1028.068 309.93 0.97 13.85 9.03