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  • 19-Butanoyloxyfucoxanthin; 19-Hexanoyloxyfucoxanthin; Abundance per volume; Alloxanthin; Ammonium; amoA gene, copy number; Bacteria; Bacterial nitrogen fixation, Chrocosphaera; Bacterial nitrogen fixation, Cyanothese; Bacterial nitrogen fixation, filamentous; Bacterial nitrogen fixation, GammaAO; Bacterial nitrogen fixation, UCYN-A; beta-Carotene, beta,beta-Carotene; Cape Verde; CapeVerde_2012_Mesocosm; Carbon, organic, particulate; Carbon fixation rate; Chlorophyll a; Chlorophyll b; Chlorophyll c2; Chlorophyll c3; Climate - Biogeochemistry Interactions in the Tropical Ocean; DATE/TIME; Day of experiment; Diadinoxanthin; Diatoxanthin; Divinyl chlorophyll a; Divinyl chlorophyll b; Flag; Fucoxanthin; Identification; MESO; Mesocosm experiment; Nitrate; Nitrate and Nitrite; Nitrate and Nitrite, standard deviation; Nitrite; Nitrite, standard deviation; Nitrogen, organic, dissolved; Nitrogen, organic, particulate; Nitrogen fixation rate; Oxygen; Peridinin; pH; Phosphate; Phosphate, standard deviation; Phosphorus, organic, dissolved; Phosphorus, organic, particulate; Prasinoxanthin; Prochlorococcus; Run ID; Salinity; Sample code/label; SFB754; Silicate; Silicate, standard deviation; Sum; Temperature, water; Violaxanthin; Zeaxanthin  (1)
  • AWI_PhyOce; Calculated from internal temperature and conductivity; Conductivity; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; HE570; HE570_0_Underway-6; Heincke; LATITUDE; LONGITUDE; North Sea; Physical Oceanography @ AWI; Quality flag, salinity; Quality flag, water temperature; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; thermosalinograph; Thermosalinograph; Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT; TSG  (1)
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  • 1
    facet.materialart.
    Unknown
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2024-01-12
    Description: Raw data acquired by an SBE21 thermosalinograph and an auxiliary SBE38 temperature sensor (Sea-Bird Scientific, USA) installed in an underway seawater flow-through system on board RV Heincke were processed to yield a calibrated and validated data set of seawater temperature and salinity along the cruise track. The seawater inlet is located at a depth of 2 m. The raw hexadecimal data were downloaded from the DAVIS SHIP data base (https://dship.awi.de) at a resolution of 1 s, and converted to temperature and conductivity using the pre-deployment factory calibration coefficients. The converted data were averaged to 1 min values, outliers were removed, and sensor drift was corrected using coefficients obtained from a post-season calibration performed at Sea-Bird at the end of the measurement season. Salinity was calculated from internal temperature, conductivity and pressure according to the PSS-78 Practical Salinity Scale. Processed data are provided as 1 min means of seawater temperature, conductivity and salinity, aligned with position data taken from the master track. Quality flags are appended according to the SeaDataNet Data Quality Control Procedures (version from May 2010). More details are described in the attached processing report.
    Keywords: AWI_PhyOce; Calculated from internal temperature and conductivity; Conductivity; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; HE570; HE570_0_Underway-6; Heincke; LATITUDE; LONGITUDE; North Sea; Physical Oceanography @ AWI; Quality flag, salinity; Quality flag, water temperature; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; thermosalinograph; Thermosalinograph; Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT; TSG
    Type: Dataset
    Format: text/tab-separated-values, 144402 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-03-28
    Description: Two 7-day mesocosm experiments were conducted in October 2012 at the Instituto Nacional de Desenvolvimento das Pescas (INDP), Mindelo, Cape Verde. Surface water was collected at night before the start of the respective experiment with RV Islândia south of São Vicente (16°44.4'N, 25°09.4'W) and transported to shore using four 600L food safe intermediate bulk containers. Sixteen mesocosm bags were distributed in four flow-through water baths and shaded with blue, transparent lids to approximately 20% of surface irradiation. Mesocosm bags were filled from the containers by gravity, using a submerged hose to minimize bubbles. The accurate volume inside the individual bags was calculated after addition of 1.5 mmol silicate and measuring the resulting silicate concentration. The volume ranged from 105.5 to 145 L. The experimental manipulation comprised addition of different amounts of inorganic N and P. In the first experiment, the P supply was changed at constant N supply in thirteen of the sixteen units, while in the second experiment the N supply was changed at constant P supply in twelve of the sixteen units. In addition to this, “cornerpoints” were chosen that were repeated during both experiments. Four cornerpoints should have been repeated, but setting the nutrient levels in one mesocosm was not succesfull and therefore this mesocosm also was set at the center point conditions. Experimental treatments were evenly distributed between the four water baths. Initial sampling of the mesocosms on day 1 of each run was conducted between 9:45 and 11:30. After nutrient manipulation, sampling was conducted on a daily basis between 09:00 and 10:30 for days 2 to 8.
    Keywords: 19-Butanoyloxyfucoxanthin; 19-Hexanoyloxyfucoxanthin; Abundance per volume; Alloxanthin; Ammonium; amoA gene, copy number; Bacteria; Bacterial nitrogen fixation, Chrocosphaera; Bacterial nitrogen fixation, Cyanothese; Bacterial nitrogen fixation, filamentous; Bacterial nitrogen fixation, GammaAO; Bacterial nitrogen fixation, UCYN-A; beta-Carotene, beta,beta-Carotene; Cape Verde; CapeVerde_2012_Mesocosm; Carbon, organic, particulate; Carbon fixation rate; Chlorophyll a; Chlorophyll b; Chlorophyll c2; Chlorophyll c3; Climate - Biogeochemistry Interactions in the Tropical Ocean; DATE/TIME; Day of experiment; Diadinoxanthin; Diatoxanthin; Divinyl chlorophyll a; Divinyl chlorophyll b; Flag; Fucoxanthin; Identification; MESO; Mesocosm experiment; Nitrate; Nitrate and Nitrite; Nitrate and Nitrite, standard deviation; Nitrite; Nitrite, standard deviation; Nitrogen, organic, dissolved; Nitrogen, organic, particulate; Nitrogen fixation rate; Oxygen; Peridinin; pH; Phosphate; Phosphate, standard deviation; Phosphorus, organic, dissolved; Phosphorus, organic, particulate; Prasinoxanthin; Prochlorococcus; Run ID; Salinity; Sample code/label; SFB754; Silicate; Silicate, standard deviation; Sum; Temperature, water; Violaxanthin; Zeaxanthin
    Type: Dataset
    Format: text/tab-separated-values, 24942 data points
    Location Call Number Limitation Availability
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