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  • 29SG20170711; 29SG20170711_10-1; 29SG20170711_1-1; 29SG20170711_11-1; 29SG20170711_12-1; 29SG20170711_13-1; 29SG20170711_14-1; 29SG20170711_15-1; 29SG20170711_16-1; 29SG20170711_17-1; 29SG20170711_18-1; 29SG20170711_19-1; 29SG20170711_20-1; 29SG20170711_2-1; 29SG20170711_21-1; 29SG20170711_22-1; 29SG20170711_23-1; 29SG20170711_24-1; 29SG20170711_25-1; 29SG20170711_26-1; 29SG20170711_27-1; 29SG20170711_28-1; 29SG20170711_29-1; 29SG20170711_30-1; 29SG20170711_3-1; 29SG20170711_31-1; 29SG20170711_32-1; 29SG20170711_33-1; 29SG20170711_34-1; 29SG20170711_35-1; 29SG20170711_4-1; 29SG20170711_5-1; 29SG20170711_6-1; 29SG20170711_7-1; 29SG20170711_8-1; 29SG20170711_9-1; Biogeochemical impact of mesoscale and sub-mesoscale processes along the life history of cyclonic and anticyclonic eddies: plankton variability and productivity; Bottle number; Campaign; Cape Verde Frontal Zone; Carbon, organic, dissolved; Carbon, organic, particulate; Carbon cycling; Cast number; Chlorophyll fluorometer, Seapoint, Seapoint chlorophyll fluorometer; Constraining organic carbon fluxes in an eastern boundary upwelling ecosystem (NW Africa): the role of non-sinking carbon in the context of the biological pump; Cruise/expedition; CTD, Sea-Bird, SBE43; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Dissolved Organic Matter; e-IMPACT; Elemental analyzer, Perkin Elmer, 2400; Event label; Fluorescence, chlorophyll; FLUXES; FLUXES I; LATITUDE; LONGITUDE; Nitrate; Nitrite; Nitrogen, organic, particulate; Nitrogen, total dissolved; nitrogen cycling; Oxygen; particulate organic matter; Phosphate; Pressure, water; Quality flag, carbon, organic, dissolved; Quality flag, carbon, organic, particulate; Quality flag, fluorescence, chlorophyll; Quality flag, nitrate; Quality flag, nitrite; Quality flag, nitrogen, organic, particulate; Quality flag, nitrogen, total dissolved; Quality flag, oxygen; Quality flag, phosphate; Quality flag, salinity; Quality flag, silicic acid; Salinity; Sarmiento de Gamboa; Segmented flow analyzer (Alliance Futura); Shimadzu TOC-V CSH total organic carbon analyzer coupled to TNM-1 nitrogen analyzer; Silicic acid; Station label; SUMMER; Sustainable Management of Mesopelagic Resources; Temperature, water; water masses; Winkler potentiometric after Langdon (2010)  (1)
  • AQUACOSM; Coastal Upwelling System in a Changing Ocean; CUSCO; DATE/TIME; Day of experiment; Depth, water, experiment, bottom/maximum; Depth, water, experiment, top/minimum; Event label; Field experiment; Gross community production of oxygen; Humboldt Current System; KOSMOS_2020; KOSMOS_2020_Mesocosm-M1; KOSMOS_2020_Mesocosm-M10; KOSMOS_2020_Mesocosm-M2; KOSMOS_2020_Mesocosm-M3; KOSMOS_2020_Mesocosm-M4; KOSMOS_2020_Mesocosm-M5; KOSMOS_2020_Mesocosm-M6; KOSMOS_2020_Mesocosm-M7; KOSMOS_2020_Mesocosm-M8; KOSMOS_2020_Mesocosm-M9; KOSMOS Peru; light limitation; MESO; Mesocosm experiment; Mesocosm label; mesocosm study; Net community production of oxygen; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; oxygen consumption; primary production; Respiration rate, oxygen, community; Titration, Winkler; Treatment; Treatment: light condition; Type of study  (1)
Document type
Keywords
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    KOSMOS 2020 Peru mesocosm study on ecosystem responses to different light and upwelling intensities: oxygen primary production rates of water samples (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-22
    Description: This data is part of the BMBF project CUSCO (Coastal Upwelling Systems in a Changing Ocean). Here we report oxygen primary production rates during a 35-day experiment, where we enclosed natural plankton communities in in-situ mesocosms off Peru. The experiment investigated the interactive effects of light and upwelling on the Humboldt upwelling ecosystem by mimicking a gradient of upwelling intensities (0%, 15%, 30%, 45% and 60%) under summer-time high light and winter-time low light. Integrated seawater samples from a depth between 0 and 10m were collected using a 5L Integrating Water sampler (IWS; Hydro-Bios, Kiel). Oxygen production as well as respiration rates were measured as described in Ortiz et al. (2022; doi:10.3389/fmars.2021.743105) using the Winkler method. For each mesocosm and sampling day samples for initial oxygen values fixed immediately after subsampling ("Initial"), dark incubations ("Dark") and light incubations ("Light") were measured. All samples were incubated with constant light dark/cycles and temperature was adjusted regularly to mesocosm values. After incubation samples were fixed and titrated by means of an automated, precise titration system with colorimetric end-point detection along with the initials (Dissolved Oxygen Analyzer, SIS Schwentinental, Germany). Community respiration (CR) was calculated as the oxygen consumption during dark incubation per hour. Net community production (NCP) was the oxygen production per hour in the light samples and gross production (GP) the sum of CR and NCP.
    Keywords: AQUACOSM; Coastal Upwelling System in a Changing Ocean; CUSCO; DATE/TIME; Day of experiment; Depth, water, experiment, bottom/maximum; Depth, water, experiment, top/minimum; Event label; Field experiment; Gross community production of oxygen; Humboldt Current System; KOSMOS_2020; KOSMOS_2020_Mesocosm-M1; KOSMOS_2020_Mesocosm-M10; KOSMOS_2020_Mesocosm-M2; KOSMOS_2020_Mesocosm-M3; KOSMOS_2020_Mesocosm-M4; KOSMOS_2020_Mesocosm-M5; KOSMOS_2020_Mesocosm-M6; KOSMOS_2020_Mesocosm-M7; KOSMOS_2020_Mesocosm-M8; KOSMOS_2020_Mesocosm-M9; KOSMOS Peru; light limitation; MESO; Mesocosm experiment; Mesocosm label; mesocosm study; Net community production of oxygen; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; oxygen consumption; primary production; Respiration rate, oxygen, community; Titration, Winkler; Treatment; Treatment: light condition; Type of study
    Type: Dataset
    Format: text/tab-separated-values, 972 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Physical oceanography, inorganic nutrients, dissolved and particulate organic carbon and nitrogen during FLUXES-1 cruise to the Cape Verde Frontal Zone in 2017 (2022)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: The Cape Verde Frontal Zone (CVFZ) is a highly dynamic region located in the southern boundary of the Canary Current Eastern Boundary Upwelling Ecosystem. Due to the interaction of the Cape Verde Front with the Mauritanian coastal upwelling, the area features large vertical and horizontal export fluxes of organic matter. Full-depth profiles were recorded during FLUXES I cruise, with four consecutive transects defining a box embracing the giant filament of Cape Blanc and the Cape Verde front. Fifteen levels were sampled in medium and long stations (down to 4000 dbar) and 10 levels in short stations (down to 2000 dbar) where inorganic nutrients (NO3, NO2, Si(OH)4 and PO4), dissolved organic carbon/total dissolved nitrogen (DOC/TDN), and suspended particulate organic carbon and nitrogen (POC and PON) were sampled. Micromolar concentrations of nutrient salts were determined simultaneously by segmented flow analysis in an Alliance Futura autoanalyser. The determination of suspended POC and PON was carried out by high temperature catalytic oxidation at 900 °C in a Perkin Elmer 2400 elemental analyser. DOC and TDN were analysed by high temperature catalytic oxidation at 680 °C with a Shimadzu TOC-V analyser connected in line with a TNM1 measuring unit. Alongside with water samples conductivity, temperature and depth (CTD; SeaBird SBE911 plus), and dissolved oxygen (SeaBird SBE43), fluorescence of chlorophyll (SeaPoint SCF), and turbidity (SeaPoint STM) were measured. CTD conductivity was calibrated with water samples taken from the rosette and analysed on board with a Guildline 8410-A Portasal salinometer. Samples for dissolved oxygen (O2) determination were analysed on board by the Winkler potentiometric method. The chlorophyll (Chl) fluorescence sensor was calibrated with water samples taken at 4 depths in the photic layer which were estimated fluorometrically by means of a Turner Designs bench fluorometer 10-AU.
    Keywords: 29SG20170711; 29SG20170711_10-1; 29SG20170711_1-1; 29SG20170711_11-1; 29SG20170711_12-1; 29SG20170711_13-1; 29SG20170711_14-1; 29SG20170711_15-1; 29SG20170711_16-1; 29SG20170711_17-1; 29SG20170711_18-1; 29SG20170711_19-1; 29SG20170711_20-1; 29SG20170711_2-1; 29SG20170711_21-1; 29SG20170711_22-1; 29SG20170711_23-1; 29SG20170711_24-1; 29SG20170711_25-1; 29SG20170711_26-1; 29SG20170711_27-1; 29SG20170711_28-1; 29SG20170711_29-1; 29SG20170711_30-1; 29SG20170711_3-1; 29SG20170711_31-1; 29SG20170711_32-1; 29SG20170711_33-1; 29SG20170711_34-1; 29SG20170711_35-1; 29SG20170711_4-1; 29SG20170711_5-1; 29SG20170711_6-1; 29SG20170711_7-1; 29SG20170711_8-1; 29SG20170711_9-1; Biogeochemical impact of mesoscale and sub-mesoscale processes along the life history of cyclonic and anticyclonic eddies: plankton variability and productivity; Bottle number; Campaign; Cape Verde Frontal Zone; Carbon, organic, dissolved; Carbon, organic, particulate; Carbon cycling; Cast number; Chlorophyll fluorometer, Seapoint, Seapoint chlorophyll fluorometer; Constraining organic carbon fluxes in an eastern boundary upwelling ecosystem (NW Africa): the role of non-sinking carbon in the context of the biological pump; Cruise/expedition; CTD, Sea-Bird, SBE43; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Dissolved Organic Matter; e-IMPACT; Elemental analyzer, Perkin Elmer, 2400; Event label; Fluorescence, chlorophyll; FLUXES; FLUXES I; LATITUDE; LONGITUDE; Nitrate; Nitrite; Nitrogen, organic, particulate; Nitrogen, total dissolved; nitrogen cycling; Oxygen; particulate organic matter; Phosphate; Pressure, water; Quality flag, carbon, organic, dissolved; Quality flag, carbon, organic, particulate; Quality flag, fluorescence, chlorophyll; Quality flag, nitrate; Quality flag, nitrite; Quality flag, nitrogen, organic, particulate; Quality flag, nitrogen, total dissolved; Quality flag, oxygen; Quality flag, phosphate; Quality flag, salinity; Quality flag, silicic acid; Salinity; Sarmiento de Gamboa; Segmented flow analyzer (Alliance Futura); Shimadzu TOC-V CSH total organic carbon analyzer coupled to TNM-1 nitrogen analyzer; Silicic acid; Station label; SUMMER; Sustainable Management of Mesopelagic Resources; Temperature, water; water masses; Winkler potentiometric after Langdon (2010)
    Type: Dataset
    Format: text/tab-separated-values, 12905 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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