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  • Data  (6)
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  • 1
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    Unknown
    Concentrations of suspended and exported organic matter and nutrients during POLARSTERN cruise PS92 (ARK-XXIX/1 TRANSSIZ) in May and June 2015 north of Svalbard (2020)
    PANGAEA
    In:  The Arctic University of Norway
    Details
    Publication Date: 2024-01-20
    Keywords: Arctic Ocean; ARK-XXIX/1, TRANSSIZ; Calculated; Carbon, organic, particulate; Carbon, organic, particulate, flux; Carbon, organic, particulate, flux/Nitrogen, organic, particulate flux ratio; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; Chlorophyll a; Chlorophyll a, flux; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; ELEVATION; Event label; Fecal pellet carbon, flux; ICE; Ice station; LATITUDE; LONGITUDE; Microscopy; Nitrate and Nitrite; Nitrogen, organic, particulate; Nitrogen, organic, particulate, flux per day; nutrients; Other event; Phaeopigments; Phaeopigments, flux; Phosphate; POC; Polarstern; PS92; PS92/019-6; PS92/027-2; PS92/031-2; PS92/032-4; PS92/039-6; PS92/043-4; PS92/046-1; PS92/047-3; Salinity; sediment trap; Silicic acid; Temperature, water; TRANSSIZ; Vertical export
    Type: Dataset
    Format: text/tab-separated-values, 1189 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Temperature dependence of CO2-enhanced primary production in the European Arctic Ocean (2015)
    PANGAEA
    In:  Supplement to: Holding, Johnna; Duarte, Carlos Manuel; Sanz-Martín, Marina; Mesa, E; Arrieta, J M; Chierici, Melissa; Hendriks, Iris; García-Corral, Lara S; Regaudie-de-Gioux, Aurore; Delgado, A; Reigstad, Marit; Wassmann, P; Agustí, Susana (2015): Temperature dependence of CO2-enhanced primary production in the European Arctic Ocean. Nature Climate Change, 5(12), 1079-1082, https://doi.org/10.1038/NCLIMATE2768
    Details
    Publication Date: 2024-03-15
    Description: The Arctic Ocean is warming at two to three times the global rate and is perceived to be a bellwether for ocean acidification. Increased CO2 concentrations are expected to have a fertilization effect on marine autotrophs, and higher temperatures should lead to increased rates of planktonic primary production. Yet, simultaneous assessment of warming and increased CO2 on primary production in the Arctic has not been conducted. Here we test the expectation that CO2-enhanced gross primary production (GPP) may be temperature dependent, using data from several oceanographic cruises and experiments from both spring and summer in the European sector of the Arctic Ocean. Results confirm that CO2 enhances GPP (by a factor of up to ten) over a range of 145-2,099 µatm; however, the greatest effects are observed only at lower temperatures and are constrained by nutrient and light availability to the spring period. The temperature dependence of CO2-enhanced primary production has significant implications for metabolic balance in a warmer, CO2-enriched Arctic Ocean in the future. In particular, it indicates that a twofold increase in primary production during the spring is likely in the Arctic.
    Keywords: Alkalinity, total; Aragonite saturation state; Arctic; Bicarbonate ion; Calcite saturation state; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chlorophyll a; Chlorophyll a, standard error; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); Coulometric titration; Entire community; Event label; EXP; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gross primary production, standard deviation; Gross primary production of oxygen; Gross primary production of oxygen per chlorophyll a; Isfjorden_Svalbard; Isfjorden_Svalbard_spring; Laboratory experiment; Nitrate and Nitrite; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phosphate; Polar; Potentiometric titration; Primary production/Photosynthesis; Salinity; Silicate; Temperature, water; Temperature, water, standard error; Type
    Type: Dataset
    Format: text/tab-separated-values, 700 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Unknown
    CarbonBridge - Concentration of suspended and sinking nutrients and organic material in the waters northwest of Spitsbergen in 2014 (2017)
    PANGAEA
    In:  University of Tromso, Norway
    Details
    Publication Date: 2024-04-27
    Description: As part of the Norwegian research project "CarbonBridge - Bridging marine productivity regimes: How Atlantic advective inflow affects productivity, carbon cycling and export in a melting Arctic Ocean" (NRC #226415, RIS #6637), the concentration of inorganic nutrients and organic material (i.e. chlorophyll a, particulate organic matter), as well as primary and secondary production rates were determined from the upper 1000 m of the water column West and North of Spitsbergen. The flux of sinking organic material was also determined. In total three expeditions were conducted in 2014.
    Keywords: CarbonBridge; CarbonBridge Bridging productivity regimes in the Arctic Ocean
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Unknown
    CarbonBridge January 2014: Concentration of suspended and sinking nutrients and organic material in the waters northwest of Spitsbergen (2017)
    PANGAEA
    Details
    Publication Date: 2024-04-27
    Keywords: Ammonium; Arctic Ocean; B1; B11; B14; B16; B2; B4; B6; B8; Carbon, organic, particulate; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; CarbonBridge; CarbonBridge_stnr0003; CarbonBridge_stnr0013; CarbonBridge_stnr0014; CarbonBridge_stnr0022; CarbonBridge_stnr0024; CarbonBridge_stnr0025; CarbonBridge_stnr0026; CarbonBridge_stnr0027; CarbonBridge_stnr0030; CarbonBridge_stnr0032; CarbonBridge_stnr0033; CarbonBridge_stnr0035; CarbonBridge_stnr0036; CarbonBridge_stnr0037; CarbonBridge Bridging productivity regimes in the Arctic Ocean; CB201401; Chlorophyll a; Chlorophyll a, total; CTD; CTD/Rosette; CTD-RO; D1; D2; D3; D4; D5; D6; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Helmer Hanssen; Latitude of event; Longitude of event; Nitrate and Nitrite; Nitrogen, organic, particulate; North Greenland Sea; Phaeophytin; Phosphate; Salinity; Silicate; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 1552 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Unknown
    CarbonBridge August 2014: Concentration of suspended and sinking nutrients and organic material in the waters northwest of Spitsbergen (2017)
    PANGAEA
    Details
    Publication Date: 2024-04-27
    Keywords: Ammonium; Ammonium uptake rate; Arctic Ocean; Bacterial production; C1; C2; C3; C4; C5; C6; C7; C8; Carbon, organic, particulate; Carbon, organic, particulate, flux; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; CarbonBridge; CarbonBridge_stnr0465; CarbonBridge_stnr0467; CarbonBridge_stnr0468; CarbonBridge_stnr0469; CarbonBridge_stnr0470; CarbonBridge_stnr0472; CarbonBridge_stnr0473; CarbonBridge_stnr0474; CarbonBridge_stnr0479; CarbonBridge_stnr0494; CarbonBridge_stnr0507; CarbonBridge_stnr0512; CarbonBridge_stnr0525; CarbonBridge_stnr0526; CarbonBridge_stnr0530; CarbonBridge_stnr0532; CarbonBridge_stnr0533; CarbonBridge_stnr0534; CarbonBridge_stnr0535; CarbonBridge_stnr0536; CarbonBridge_stnr0537; CarbonBridge_stnr0538; CarbonBridge Bridging productivity regimes in the Arctic Ocean; CB201408; Chlorophyll a; Chlorophyll a, flux; Chlorophyll a, total; CTD; CTD/Rosette; CTD-RO; D++; D+++; D1; D2; D3; D4; D5; D6; Density, sigma-theta (0); DEPTH, water; E1/P6; E2; E3/P7; E4; E5; Event label; f-Ratio; Helmer Hanssen; Nitrate and Nitrite; Nitrate uptake rate; Nitrogen, organic, particulate; Nitrogen, organic, particulate, flux per day; North Greenland Sea; P5; Particulate organic carbon, flux/particulate organic nitrogen flux ratio; Phaeophytin; Phaeophytin, flux; Phosphate; Primary production of carbon; Salinity; Silicate; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 2714 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Unknown
    CarbonBridge May 2014: Concentration of suspended and sinking nutrients and organic material in the waters northwest of Spitsbergen (2017)
    PANGAEA
    Details
    Publication Date: 2024-04-27
    Keywords: Ammonium; Ammonium uptake rate; Bacterial production; C3; C4; C5; C6; C7; C8; Carbon, organic, particulate; Carbon, organic, particulate, flux; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; CarbonBridge; CarbonBridge_stnr0229; CarbonBridge_stnr0231-1; CarbonBridge_stnr0232; CarbonBridge_stnr0233; CarbonBridge_stnr0234; CarbonBridge_stnr0235; CarbonBridge_stnr0236; CarbonBridge_stnr0237; CarbonBridge_stnr0243; CarbonBridge_stnr0260-1; CarbonBridge_stnr0262; CarbonBridge_stnr0281; CarbonBridge_stnr0298; CarbonBridge_stnr0299; CarbonBridge_stnr0300; CarbonBridge_stnr0301; CarbonBridge_stnr0302; CarbonBridge_stnr0303; CarbonBridge Bridging productivity regimes in the Arctic Ocean; CB201405; Chlorophyll a; Chlorophyll a, flux; Chlorophyll a, total; CTD; CTD/Rosette; CTD-RO; D+; D++; D1; D2; D3; D4; D5; D6; Density, sigma-theta (0); DEPTH, water; Event label; f-Ratio; Helmer Hanssen; Nitrate and Nitrite; Nitrate uptake rate; Nitrogen, organic, particulate; Nitrogen, organic, particulate, flux per day; North Greenland Sea; P1; P2; P3; P4; Particulate organic carbon, flux/particulate organic nitrogen flux ratio; Phaeophytin; Phaeophytin, flux; Phosphate; Primary production of carbon; Salinity; Silicate; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 2445 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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