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  • PANGAEA  (2)
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  • 1
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    Unknown
    Processed CO2/O2 Float data from 4 deployments near Cape Verde Island (11/2010 - 06/2011) (2013)
    PANGAEA
    In:  Supplement to: Fiedler, Björn; Fietzek, Peer; Vieira, Nuno; Silva, Pericles; Bittig, Henry; Körtzinger, Arne (2013): In Situ CO2 and O2 Measurements on a Profiling Float. Journal of Atmospheric and Oceanic Technology, 30(1), 112-126, https://doi.org/10.1175/JTECH-D-12-00043.1
    Details
    Publication Date: 2024-06-10
    Description: In recent years, profiling floats, which form the basis of the successful international Argo observatory, are also being considered as platforms for marine biogeochemical research. This study showcases the utility of floats as a novel tool for combined gas measurements of CO2 partial pressure (pCO2) and O2. These float prototypes were equipped with a small-sized and submersible pCO2 sensor and an optode O2 sensor for highresolution measurements in the surface ocean layer. Four consecutive deployments were carried out during November 2010 and June 2011 near the Cape Verde Ocean Observatory (CVOO) in the eastern tropical North Atlantic. The profiling float performed upcasts every 31 h while measuring pCO2, O2, salinity, temperature, and hydrostatic pressure in the upper 200 m of the water column. To maintain accuracy, regular pCO2 sensor zeroings at depth and surface, as well as optode measurements in air, were performed for each profile. Through the application of data processing procedures (e.g., time-lag correction), accuracies of floatborne pCO2 measurements were greatly improved (10-15 µatm for the water column and 5 µatm for surface measurements). O2 measurements yielded an accuracy of 2 µmol/kg. First results of this pilot study show the possibility of using profiling floats as a platform for detailed and unattended observations of the marine carbon and oxygen cycle dynamics.
    Keywords: Carbon dioxide, partial pressure; CVOO Floater; DATE/TIME; deployment_d4; deployment_d5; deployment_d6; deployment_d7; DEPTH, water; Event label; LATITUDE; LONGITUDE; Nemo float; NFLOAT; off Cape Verde Islands; Oxygen; Pressure, water; Profile ID; Salinity; SOPRAN; Surface Ocean Processes in the Anthropocene; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 509900 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Ship-based biogeochemical bottle data from the CVOO time series (2006-2019) in the Eastern Tropical North Atlantic (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: This dataset compiles all available ship-based biogeochemical measurements at the Cape Verde Ocean Observatory (CVOO) into one merged dataset. The irregular measurements at CVOO started in 2006 and are still ongoing aiming at increasing data coverage in a key region for air-sea interaction. The station has a bottom depth of 3600 m and lies in the center of the Cape Verde Fontal Zone, resulting in large variations of the present oligotrophic water masses as well as an oxygen-poor layer between 400 m to 500 m. The dataset includes oxygen, nutrients, dissolved inorganic carbon, total alkalinity, and particulate organic matter measurements, and ancillary ctd-data are also included. The research vessels used and the exact measurement methods as well as the laboratories varied on a cruise-to-cruise basis, accordingly the data has undergone additional quality-control checks. The checks included flier detection (WOCE-flagging) and crossover-analysis that resulted in bias corrections.
    Keywords: 06MT20060714; 1001; 109434; 109626; 16; 2001; 23-10; AIMAC; Alkalinity, total; Ammonium; ANT-XXX/1.2; AT08_4-CTD51; ATA08_03; ATA08_04; ATA3_40-1; Bio-CTD 3; Bottle number; Cape Verde; CARBOCHANGE; Carbon, organic, particulate; Carbon, total; CARBOOCEAN; CARO; Cast number; Changes in the carbon uptake and emissions by oceans in a changing climate; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cruise/expedition; CTD; CTD_1; CTD_104; CTD_105/106/107; CTD_2; CTD_3; CTD_4; CTD_5; CTD_6; CTD/Rosette; CTD001; CTD 001; CTD002; CTD 002; CTD003; CTD 003; CTD1; CTD 115; CTD128; CTD129; CTD14; CTD15; CTD16; CTD2; CTD3; CTD4; CTD61; CTD 81; CTD 82; CTD-RO; DATE/TIME; Eastern Tropical North Atlantic; EuroSea; Event label; iAtlantic; IFM-GEOMAR/3; IFM-GEOMAR/4; Improving and Integrating European Ocean Observing and Forecasting Systems for Sustainable use of the Oceans; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; ISL_00112_1; ISL_00112_1-1; ISL_00112_1-2; ISL_00113; ISL_00113_1-1; ISL_00311_1; ISL_00311_1-1; ISL_00414; ISL_00414_1-1; ISL_00414_2-1; ISL_00511_1; ISL_00511_1-1; ISL_00511_1-2; ISL_00512; ISL_00512_1-1; ISL_00514; ISL_00514_1-1; ISL_00514_2_1; ISL_00514_3_1; ISL_00611_1; ISL_00611_1-1; ISL_00611_1-2; ISL_00612; ISL_00612_1-1; ISL_00713; ISL_00713_1-1; ISL_00713_2-1; ISL_01212_1; ISL_01212_2-1; ISL_01412_1; ISL_01412_1-1; ISL_01412_1-2; ISL_01512; ISL_01512_1-1; Islandia; L Atalante; LATITUDE; LONGITUDE; M105; M105_191-2; M106; M106_322-2; M106_322-3; M106_322-5; M116/1; M116/1_554-1; M116/1_555-1; M119; M119_684-1; M119_686-1; M119_692-1; M130; M130_933-1; M130_935-1; M130_939-1; M130_941-1; M130_944-1; M130_945-1; M130_947-1; M145; M145_2-1; M145_3-1; M145_4-1; M160; M160_119-1; M160_121-1; M68/2; M68/2_255; M68/3; M68/3_261-2; M68/3_261-3; M68/3_261-4; M80/1; M80/1-CTD1; M80/1-CTD2; M83/1; M83/1_772; M83/1_776; M97; M97_1089-1; M97_1094-1; Maria S. Merian; Marine carbon sources and sinks assessment; Meteor (1986); MSM08/1; MSM08/1_CTD-RO1; MSM10/1; MSM10/1-CTD229; MSM18/2; MSM18/2_615-4; MSM18/2_615-6; MSM18/3; MSM18/3_721-1; MSM22; MSM22_673-10; MSM22_673-2b; MSM22_673-5; MSM22_673-8; MSM22_751-3; MSM22_751-6; MSM23; MSM23_760-2; MSM49; MSM49_583-1; MSM49_583-12; MSM61; MSM61_471-2; MSM68/2; MSM68/2_3-1; Nitrate; Nitrite; Nitrogen, organic, particulate; OSTRE_IV; Oxygen; Phosphate; Phosphorus, organic, particulate; Polarstern; POS348; POS348_227-1; POS348_227-2; POS399/2; POS399/2_307-3; POS399/2_307-6; POS399/2_307-7; POS520; POS520_65-1; POS520_65-2; POS532; POS532_28-2; POS532_28-4; POS532_28-5; POS532_28-6; POS533_28-3; POS533_28-4; POS533/1; Poseidon; Pressure, water; PS88/004-1; PS88.2; Quality flag; Quality flag, alkalinity, total; Quality flag, ammonium; Quality flag, carbon, organic, particulate; Quality flag, nitrate; Quality flag, nitrite; Quality flag, nitrogen, organic, particulate; Quality flag, oxygen; Quality flag, phosphate; Quality flag, salinity; Quality flag, silicic acid; REEBUS; Reference of data; Role of Eddies for the Carbon Pump in Coastal upwelling Areas; Salinity; SALINO; Salinometer; Sample code/label; SFB754; ship-based; Silicate; SOPRAN; South Atlantic Ocean; Station label; Surface Ocean Processes in the Anthropocene; T-CTD 2; Temperature, water; Time-Series Data; Titration, Winkler
    Type: Dataset
    Format: text/tab-separated-values, 34378 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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