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  • 1
    Electronic Resource
    Electronic Resource
    A multiparameter phytoplankton culture system driven by microcomputer (1991)
    Springer
    Journal of applied phycology 3 (1991), S. 235-241 
    Details
    ISSN: 1573-5176
    Keywords: Prorocentrum minimum ; automatic culture system ; chemostat ; adaptation ; nitrate ; nitrite ; uptake rate ; fluorescence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A computer-controlled phytoplankton culture system is described which is regulated as a chemostat. Measurements of temperature, pH, size distribution, culture density,in vivo fluorescence, nitrate and nitrite, are automatic and programmable, thus obviating manual errors. The system has been developed successfully to survey long-term cultures of the dinoflagellateProrocentrum minimum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00003581
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Optical properties in surface water during Thalassa cruise PROSOPE (2013)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Keywords: Absorption and attenuation meter AC-9; Absorption coefficient, 412 nm; Absorption coefficient, 440 nm; Absorption coefficient, 488 nm; Absorption coefficient, 510 nm; Absorption coefficient, 532 nm; Absorption coefficient, 555 nm; Absorption coefficient, 630 nm; Absorption coefficient, 676 nm; Absorption coefficient, 715 nm; Biogeochemical Processes in the Oceans and Fluxes; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Direction; DYF1; DYF2; DYF3; DYF4; DYF5; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; MIO1; MIO2; MIO3; MIO4; MIO5; Optical beam attenuation coefficient, 412 nm; Optical beam attenuation coefficient, 440 nm; Optical beam attenuation coefficient, 488 nm; Optical beam attenuation coefficient, 510 nm; Optical beam attenuation coefficient, 532 nm; Optical beam attenuation coefficient, 555 nm; Optical beam attenuation coefficient, 630 nm; Optical beam attenuation coefficient, 676 nm; Optical beam attenuation coefficient, 715 nm; PROOF; PROSOPE; PROSOPE_pro002; PROSOPE_pro003; PROSOPE_pro004; PROSOPE_pro005; PROSOPE_pro006; PROSOPE_pro007; PROSOPE_pro008; PROSOPE_pro010; PROSOPE_pro011; PROSOPE_pro013; PROSOPE_pro014; PROSOPE_pro019; PROSOPE_pro022; PROSOPE_pro023; PROSOPE_pro025; PROSOPE_pro026; PROSOPE_pro027; PROSOPE_pro028; PROSOPE_pro029; PROSOPE_pro030; PROSOPE_pro031; PROSOPE_pro032; PROSOPE_pro033; PROSOPE_pro035; PROSOPE_pro037; PROSOPE_pro038; PROSOPE_pro039; PROSOPE_pro041; PROSOPE_pro043; PROSOPE_pro044; PROSOPE_pro045; PROSOPE_pro046; PROSOPE_pro047; PROSOPE_pro048; PROSOPE_pro049; PROSOPE_pro050; PROSOPE_pro051; PROSOPE_pro052; PROSOPE_pro053; PROSOPE_pro054; PROSOPE_pro055; PROSOPE_pro056; PROSOPE_pro057; PROSOPE_pro058; PROSOPE_pro060; PROSOPE_pro061; PROSOPE_pro064; PROSOPE_pro067; PROSOPE_pro068; PROSOPE_pro069; PROSOPE_pro070; PROSOPE_pro071; PROSOPE_pro072; PROSOPE_pro073; PROSOPE_pro074; PROSOPE_pro075; PROSOPE_pro077; PROSOPE_pro078; PROSOPE_pro079; PROSOPE_pro080; PROSOPE_pro081; PROSOPE_pro082; PROSOPE_pro083; PROSOPE_pro084; PROSOPE_pro085; PROSOPE_pro086; PROSOPE_pro087; PROSOPE_pro088; PROSOPE_pro090; PROSOPE_pro092; PROSOPE_pro093; PROSOPE_pro094; PROSOPE_pro095; PROSOPE_pro096; PROSOPE_pro097; PROSOPE_pro098; PROSOPE_pro099; PROSOPE_pro100; PROSOPE_pro101; PROSOPE_pro102; PROSOPE_pro103; PROSOPE_pro104; PROSOPE_pro105; St#1; St#2; St#4; St#5; St#6; St#7; St#8; St#9; Thalassa; UPW1; UPW2
    Type: Dataset
    Format: text/tab-separated-values, 1103216 data points
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  • 3
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    Underway HIAC counter measurements of numbers of particles during THALASSA cruise PROSOPE (2013)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Keywords: Biogeochemical Processes in the Oceans and Fluxes; CT; DATE/TIME; DEPTH, water; JGOFS; Joint Global Ocean Flux Study; LATITUDE; LONGITUDE; Mediterranean Sea; Optical counter (HIAC); Particle number, fractionated; PROOF; PROSOPE; PROSOPE_surface; Thalassa; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 693800 data points
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    DATA PANGAEA
  • 4
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    Numbers of particles measured on water bottle samples during THALASSA cruise PROSOPE (2013)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Keywords: Biogeochemical Processes in the Oceans and Fluxes; Bottle, Niskin; Bottle number; DATE/TIME; DEPTH, water; DYF1; DYF2; DYF3; DYF4; DYF5; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; MIO1; MIO2; MIO3; MIO4; MIO5; NIS; Optical counter (HIAC); Particle number, fractionated; PROOF; PROSOPE; PROSOPE_orp001; PROSOPE_orp002; PROSOPE_orp003; PROSOPE_orp004; PROSOPE_orp005; PROSOPE_orp006; PROSOPE_orp007; PROSOPE_orp008; PROSOPE_orp009; PROSOPE_orp010; PROSOPE_orp011; PROSOPE_orp012; PROSOPE_orp013; PROSOPE_orp014; PROSOPE_orp015; PROSOPE_orp016; PROSOPE_orp017; PROSOPE_orp018; PROSOPE_orp019; PROSOPE_orp020; PROSOPE_orp021; PROSOPE_orp022; PROSOPE_orp023; PROSOPE_orp025; PROSOPE_orp026; PROSOPE_orp027; PROSOPE_orp028; PROSOPE_orp029; PROSOPE_orp030; PROSOPE_orp031; PROSOPE_orp032; PROSOPE_orp033; PROSOPE_orp034; PROSOPE_orp035; PROSOPE_orp036; PROSOPE_orp037; PROSOPE_orp038; PROSOPE_orp039; PROSOPE_orp040; PROSOPE_orp041; PROSOPE_orp042; PROSOPE_orp043; PROSOPE_orp044; PROSOPE_orp045; PROSOPE_orp046; PROSOPE_orp047; PROSOPE_orp048; PROSOPE_orp049; PROSOPE_orp050; PROSOPE_orp051; PROSOPE_orp052; PROSOPE_orp053; PROSOPE_orp054; PROSOPE_orp055; PROSOPE_orp056; PROSOPE_orp057; PROSOPE_orp058; PROSOPE_orp059; PROSOPE_orp060; PROSOPE_orp061; PROSOPE_orp062; PROSOPE_orp063; PROSOPE_orp064; PROSOPE_orp065; PROSOPE_orp066; PROSOPE_orp067; PROSOPE_orp068; PROSOPE_orp069; PROSOPE_orp070; PROSOPE_orp071; PROSOPE_orp072; PROSOPE_orp073; PROSOPE_orp074; PROSOPE_orp075; PROSOPE_orp076; PROSOPE_orp077; PROSOPE_orp078; PROSOPE_orp079; PROSOPE_orp080; PROSOPE_orp081; PROSOPE_orp082; PROSOPE_orp083; PROSOPE_orp084; PROSOPE_orp085; PROSOPE_orp086; PROSOPE_orp087; PROSOPE_orp088; PROSOPE_orp089; PROSOPE_orp090; PROSOPE_orp091; PROSOPE_orp092; PROSOPE_orp093; PROSOPE_orp094; PROSOPE_orp095; PROSOPE_orp096; PROSOPE_orp097; PROSOPE_orp098; PROSOPE_orp099; PROSOPE_orp100; PROSOPE_orp101; PROSOPE_orp102; PROSOPE_orp103; PROSOPE_orp104; PROSOPE_orp105; PROSOPE_orp106; PROSOPE_orp107; PROSOPE_orp108; St#1; St#2; St#3; St#4; St#5; St#6; St#7; St#8; St#9; Thalassa; UPW1; UPW2; Volume
    Type: Dataset
    Format: text/tab-separated-values, 154734 data points
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    DATA PANGAEA
  • 5
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    Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (TW1), 2003 (2003)
    PANGAEA
    In:  Supplement to: Sciandra, Antoine; Harlay, Jérôme; Lefèvre, Dominique; Lemee, R; Rimmelin, Peguy; Denis, Michel; Gattuso, Jean-Pierre (2003): Response of coccolithophorid Emiliania huxleyi to elevated partial pressure of CO2 under nitrogen limitation. Marine Ecology Progress Series, 261, 111-122, https://doi.org/10.3354/meps261111
    Details
    Publication Date: 2024-03-15
    Description: Precipitation of calcium carbonate by phytoplankton in the photic oceanic layer is an important process regulating the carbon cycling and the exchange of CO2 at the ocean-atmosphere interface. Previous experiments have demonstrated that, under nutrient-sufficient conditions, doubling the partial pressure of CO2 (pCO2) in seawater-a likely scenario for the end of the century-can significantly decrease both the rate of calcification by coccolithophorids and the ratio of inorganic to organic carbon production. The present work investigates the effects of high pCO2 on calcification by the coccolithophore Emiliania huxleyi (Strain TW1) grown under nitrogen-limiting conditions, a situation that can also prevail in the ocean. Nitrogen limitation was achieved in NO3-limited continuous cultures renewed at the rate of 0.5 d-1 and exposed to a saturating light level. pCO2 was increased from 400 to 700 ppm and controlled by bubbling CO2-rich or CO2-free air into the cultures. The pCO2 shift has a rapid effect on cell physiology that occurs within 2 cell divisions subsequent to the perturbation. Net calcification rate (C) decreased by 25% and, in contrast to previous studies with N-replete cultures, gross community production (GCP) and dark community respiration (DCR) also decreased. These results suggest that increasing pCO2 has no noticeable effect on the calcification/photosynthesis ratio (C/P) when cells of E. huxleyi are NO3-limited.
    Keywords: Alkalinity, Gran titration (Gran, 1950); Alkalinity, total; Aragonite saturation state; Bicarbonate ion; Calcification/Dissolution; Calcification rate of calcium carbonate per algae cell; Calcite saturation state; Calculated; Calculated, see reference(s); Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chromista; DATE/TIME; Element analyser CHN, LECO; Emiliania huxleyi; EPOCA; EUR-OCEANS; European network of excellence for Ocean Ecosystems Analysis; European Project on Ocean Acidification; EXP; Experiment; Experimental treatment; Experiment day; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Haptophyta; Laboratory experiment; Laboratory strains; Macro-nutrients; Measured; Not applicable; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Particulate inorganic carbon production per cell; Particulate organic carbon production per cell; Pelagos; pH; Phytoplankton; Primary production/Photosynthesis; Radiation, photosynthetically active; Respiration; Salinity; Sciandra_etal_03; Single species; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 941 data points
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  • 6
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    Concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans (2008)
    PANGAEA
    In:  Supplement to: Stramski, Dariusz; Reynolds, Rick A; Babin, Marcel; Kaczmarek, S; Lewis, Marlon R; Röttgers, Rüdiger; Sciandra, Antoine; Stramska, M; Twardowski, Michael S; Franz, B A; Claustre, Hervé (2008): Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans. Biogeosciences, 5, 171-201, https://doi.org/10.5194/bg-5-171-2008
    Details
    Publication Date: 2024-05-11
    Description: We have examined several approaches for estimating the surface concentration of particulate organic carbon, POC, from optical measurements of spectral remote-sensing reflectance, Rrs(Lambda), using field data collected in tropical and subtropical waters of the eastern South Pacific and eastern Atlantic Oceans. These approaches include a direct empirical relationship between POC and the blue-to-green band ratio of reflectance, Rrs(Lambda B)/Rrs(555), and two-step algorithms that consist of relationships linking reflectance to an inherent optical property IOP (beam attenuation or backscattering coefficient) and POC to the IOP. We considered two-step empirical algorithms that exclusively include pairs of empirical relationships and two-step hybrid algorithms that consist of semianalytical models and empirical relationships. The surface POC in our data set ranges from about 10 mg/m**3 within the South Pacific Subtropical Gyre to 270 mg/m**3 in the Chilean upwelling area, and ancillary data suggest a considerable variation in the characteristics of particulate assemblages in the investigated waters. The POC algorithm based on the direct relationship between POC and Rrs(Lambda B)/Rrs(555) promises reasonably good performance in the vast areas of the open ocean covering different provinces from hyperoligotrophic and oligotrophic waters within subtropical gyres to eutrophic coastal upwelling regimes characteristic of eastern ocean boundaries. The best error statistics were found for power function fits to the data of POC vs. Rrs(443)/Rrs(555) and POC vs. Rrs(490)/Rrs(555). For our data set that includes over 50 data pairs, these relationships are characterized by the mean normalized bias of about 2% and the normalized root mean square error of about 20%. We recommend that these algorithms be implemented for routine processing of ocean color satellite data to produce maps of surface POC with the status of an evaluation data product for continued work on algorithm development and refinements. The two-step algorithms also deserve further attention because they can utilize various models for estimating IOPs from reflectance, offer advantages for developing an understanding of bio-optical variability underlying the algorithms, and provide flexibility for regional or seasonal parameterizations of the algorithms.
    Keywords: ANT-XXIII/1; Bay of Biscay; Canarias Sea; Celtic Sea; CT; CTD/Rosette; CTD-RO; English Channel; Light meter; LM; MSD; Multi Sensor Device; Polarstern; PS69; PS69/001-1; PS69/001-2; PS69/001-3; PS69/002-1; PS69/002-2; PS69/002-3; PS69/004-1; PS69/004-2; PS69/004-3; PS69/005-1; PS69/005-2; PS69/005-3; PS69/006-5; PS69/006-6; PS69/006-7; PS69/007-1; PS69/007-2; PS69/007-3; PS69/008-1; PS69/008-2; PS69/008-3; PS69/009-1; PS69/009-2; PS69/009-3; PS69/010-1; PS69/010-2; PS69/010-3; PS69/011-4; PS69/011-5; PS69/012-1; PS69/012-2; PS69/012-3; PS69/013-1; PS69/013-2; PS69/013-3; PS69/014-2; PS69/014-6; PS69/014-7; PS69/014-8; PS69/015-1; PS69/015-2; PS69/015-3; PS69/016-1; PS69/016-2; PS69/016-3; PS69/017-1; PS69/017-2; PS69/017-3; PS69/018-2; PS69/018-5; PS69/018-6; PS69/019-1; PS69/019-2; PS69/019-3; PS69/020-1; PS69/020-2; PS69/020-3; PS69/021-2; PS69/021-4; PS69/021-7; PS69/021-8; PS69/022-1; PS69/022-2; PS69/022-3; PS69/023-1; PS69/023-2; PS69/023-3; PS69/024-1; PS69/024-2; PS69/024-3; PS69/025-1; PS69/025-2; PS69/025-4; PS69/026-2; PS69/026-6; PS69/027-1; PS69/027-2; PS69/027-3; PS69/1-track; PS69/Fish; PS69/Snorkel; South Atlantic Ocean; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 11 datasets
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    DATA PANGAEA
  • 7
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    Particulate organic carbon and nitrogen measured in surface water during POLARSTERN cruise ANT-XXIII/1 (2008)
    PANGAEA
    In:  Scripps Institution of Oceanography, UC San Diego
    Details
    Publication Date: 2024-05-11
    Keywords: ANT-XXIII/1; Carbon, organic, particulate; CT; DATE/TIME; DEPTH, water; Element analyser CHN; LATITUDE; LONGITUDE; Nitrogen, organic, particulate; Polarstern; PS69; PS69/1-track; Sample code/label; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 99 data points
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    DATA PANGAEA
  • 8
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    Particulate organic carbon and nitrogen measured on water bottle samples during POLARSTERN cruise ANT-XXIII/1 (2008)
    PANGAEA
    Details
    Publication Date: 2024-05-11
    Keywords: ANT-XXIII/1; Bay of Biscay; Canarias Sea; Carbon, organic, particulate; Celtic Sea; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Element analyser CHNS; Elevation of event; English Channel; Event label; Latitude of event; Longitude of event; Nitrogen, organic, particulate; Polarstern; PS69; PS69/001-3; PS69/002-3; PS69/004-3; PS69/005-3; PS69/006-7; PS69/007-3; PS69/008-3; PS69/009-3; PS69/010-3; PS69/011-5; PS69/012-3; PS69/013-3; PS69/014-2; PS69/015-3; PS69/016-3; PS69/017-3; PS69/018-2; PS69/019-3; PS69/020-3; PS69/021-2; PS69/022-3; PS69/023-3; PS69/024-3; PS69/025-2; PS69/026-2; PS69/027-3; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 240 data points
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  • 9
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    Optical backscattering profiles (downcast) during POLARSTERN cruise ANT-XXIII/1 (2008)
    PANGAEA
    Details
    Publication Date: 2024-05-11
    Keywords: ANT-XXIII/1; Backscattering meter, HydroScat-6; Bay of Biscay; Canarias Sea; Celtic Sea; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; English Channel; Event label; Latitude of event; Longitude of event; MSD; Multi Sensor Device; Optical backscattering coefficient, 420 nm; Optical backscattering coefficient, 442 nm; Optical backscattering coefficient, 470 nm; Optical backscattering coefficient, 510 nm; Optical backscattering coefficient, 550 nm; Optical backscattering coefficient, 589 nm; Optical backscattering coefficient, 620 nm; Optical backscattering coefficient, 671 nm; Polarstern; PS69; PS69/001-1; PS69/002-1; PS69/004-1; PS69/005-1; PS69/006-5; PS69/007-2; PS69/008-1; PS69/009-1; PS69/010-1; PS69/011-5; PS69/012-1; PS69/013-1; PS69/014-6; PS69/015-1; PS69/016-1; PS69/017-1; PS69/018-5; PS69/019-1; PS69/020-1; PS69/021-7; PS69/022-1; PS69/023-1; PS69/024-1; PS69/025-4; PS69/026-6; PS69/027-1; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 41572 data points
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    DATA PANGAEA
  • 10
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    Vertical profiles of downwelling irradiance and upwelling radiance measured with a free-fall spectroradiometer during POLARSTERN cruise ANT-XXIII/1 (2008)
    PANGAEA
    Details
    Publication Date: 2024-05-11
    Keywords: ANT-XXIII/1; Bay of Biscay; Canarias Sea; Celtic Sea; Date/Time of event; DEPTH, water; Elevation of event; English Channel; Event label; Latitude of event; Light meter; LM; Longitude of event; Polarstern; PS69; PS69/001-2; PS69/002-2; PS69/004-2; PS69/005-2; PS69/006-6; PS69/007-1; PS69/008-2; PS69/009-2; PS69/010-2; PS69/011-4; PS69/012-2; PS69/013-2; PS69/014-8; PS69/015-2; PS69/016-2; PS69/017-2; PS69/019-2; PS69/020-2; PS69/021-4; PS69/022-2; PS69/023-2; PS69/024-2; PS69/025-1; PS69/027-2; Radiance, upward at 339 nm; Radiance, upward at 380 nm; Radiance, upward at 412 nm; Radiance, upward at 442 nm; Radiance, upward at 470 nm; Radiance, upward at 490 nm; Radiance, upward at 509 nm; Radiance, upward at 532 nm; Radiance, upward at 554 nm; Radiance, upward at 589 nm; Radiance, upward at 620 nm; Radiance, upward at 665 nm; Radiance, upward at 683 nm; Roll angle; Sample code/label; SeaWiFS Profiling Multichannel Radiometer (SPMR); South Atlantic Ocean; Spectral irradiance, downward at 339 nm; Spectral irradiance, downward at 380 nm; Spectral irradiance, downward at 412 nm; Spectral irradiance, downward at 442 nm; Spectral irradiance, downward at 470 nm; Spectral irradiance, downward at 490 nm; Spectral irradiance, downward at 509 nm; Spectral irradiance, downward at 532 nm; Spectral irradiance, downward at 554 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 620 nm; Spectral irradiance, downward at 665 nm; Spectral irradiance, downward at 683 nm; Tilt angle
    Type: Dataset
    Format: text/tab-separated-values, 123306 data points
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    DATA PANGAEA
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