/* DATA DESCRIPTION: Citation: Ólafsson, Jón; Takahashi, Taro (2006): Hydrochemistry measured on water bottle samples at station B1/87_65 during the MRI-LDEO cooperative study. Marine Research Institute, Reykjavik / Iceland, PANGAEA, https://doi.org/10.1594/PANGAEA.400812 New version: Ólafsson, Jón: Hydrochemistry measured on water bottle samples during Bjarni Saemundsson cruise B1/87. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.844509 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: 64.333300 * LONGITUDE: -27.950000 DATE/TIME START: 1987-02-02T10:00:00 * DATE/TIME END: 1987-02-02T10:00:00 MINIMUM DEPTH, water: 0 m * MAXIMUM DEPTH, water: 975 m Event(s): B01/87-65 (46BS1987-1_65) * LATITUDE: 64.333300 * LONGITUDE: -27.950000 * DATE/TIME: 1987-02-02T10:00:00 * ELEVATION: -1030.0 m * LOCATION: North Atlantic * CAMPAIGN: B01/87 * 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 6.280 35.043 0.0 1027.551 294.75 0.94 15.34 7.72 2182.5 345.000 5 6.280 35.042 5.0 1027.550 294.30 0.94 15.34 7.72 10 6.280 35.043 10.0 1027.551 294.30 0.94 15.24 7.72 20 6.290 35.042 20.0 1027.548 293.85 0.94 15.34 7.62 30 6.300 35.044 30.0 1027.549 290.73 0.93 15.34 7.72 50 6.310 35.044 50.0 1027.547 293.85 0.93 15.84 7.72 75 6.070 35.040 75.0 1027.576 290.73 0.93 15.84 7.72 100 6.270 35.044 101.0 1027.553 288.50 0.92 15.84 7.82 150 6.280 35.047 151.0 1027.554 287.16 0.92 15.94 7.92 200 6.280 35.047 201.0 1027.554 287.16 0.92 15.84 7.82 300 6.300 35.047 302.0 1027.551 288.50 0.92 15.94 7.82 400 6.320 35.063 403.0 1027.561 288.50 0.93 16.04 7.92 500 5.950 35.013 504.0 1027.570 281.80 0.99 16.85 8.52 600 5.670 34.982 604.0 1027.580 284.48 1.01 16.95 8.72 780 4.870 34.971 786.0 1027.668 267.06 1.12 18.85 10.43 975 4.090 34.957 983.0 1027.743 291.18 1.12 18.86 10.73