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  • CCLME  (2)
  • 26LC20110629; 26LC20110629-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Lars Maersk; LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at sea surface temperature (dry air)  (1)
  • 26LC20111207; 26LC20111207-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Lars Maersk; LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at sea surface temperature (dry air)  (1)
  • spectrofluorimetric
Collection
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    1,5-bis-(2,3-dihydroxy-phenylmethylene)-thiocarbohydrazone as reagent for the spectrofluorimetric determination of nanogram amounts of gallium (1990)
    Springer
    Microchimica acta 100 (1990), S. 55-61 
    Details
    ISSN: 1436-5073
    Keywords: gallium ; spectrofluorimetric ; biological samples ; 1,5-bis-(2,3-dihydroxy-phenylmethylene)-thiocarbohydrazone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A method is developed for the spectrofluorimetric determination of nanogram amounts of gallium using 1,5-bis-(2,3-dihydroxy-phenylmethylene)-thiocarbohydrazone in a 60% (v/v) ethanol-water medium phthalate buffered to pH* 3.5 (λex 400 nm, λem 493 nm, corrected), which allows the determination of 20–100 and 120–600 μg/ml with 1.32 and 0.80 as relative error, respectively, and 5.1 ng·ml−1 as detection limit. Interferences have been evaluated and the method applied to the determination of gallium in samples of bovine liver, heart and kidney.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244498
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Inorganic carbon, pH and alkalinity in the Canary Current Large Marine Ecosystem (2016)
    IOC-UNESCO | Paris, France
    Details
    Publication Date: 2021-05-19
    Description: The vertical distribution of the carbon dioxide (CO2) variables in the Canary Current Large Marine Ecosystem (CCLME) along the last fifteen years have clearly indicated significant changes over, at least, the first 1000 m affecting the inorganic carbon content and the acidity of the seawater. In the surface, the normalized total dissolved inorganic carbon increased at a rate of 0.9 mol kg-1, the pH in total scale decreased each year on average 0.0019 units, while the normalized total alkalinity keeps constant at a value of 2292 mol kg-1. This increase in total dissolved inorganic carbon (CT) is controlling the total column inventory of anthropogenic CO2 that has reached a value of 66 ± 3 mol m-2 for the reference year 2000. It has been shown that upwelled waters in the Mauritanian upwelling area provide high contents of inorganic carbon that lead to low calcium carbonate saturation states. The uptake of carbon by phytoplankton acts by decreasing CT and consequently increasing saturation states. The Eastern North Atlantic Ocean at the CCLME is increasing its storage capacity for excess CO2 by 0.85 mol m-2 yr-1. Model results indicate the importance of physical and environmental conditions in shaping the sensitivity of CCLME to potential climate change induced upwelling-favorable wind intensification.
    Description: Published
    Keywords: Total dissolved inorganic carbon ; Anthropogenic carbon ; ESTOC ; Interannual trends ; CCLME ; ASFA15::A::Alkalinity
    Repository Name: AquaDocs
    Type: Report Section , Refereed
    Format: pp. 143-150
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    PAPER (OA)
  • 3
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    Ocean acidification in the Canary Current Large Marine Ecosystem (2016)
    IOC-UNESCO | Paris, France
    Details
    Publication Date: 2021-05-19
    Description: The Canary Current Large Marine Ecosystem (CCLME) covers a series of different oceanographic conditions which evolves from the open ocean to an upwelling coastal margin. In the Eastern Atlantic Ocean, the European Station for Time series in the Ocean (ESTOC) shows that the pH in total scale at in situ conditions presents a decrease of 0.0019 ± 0.0003 as a consequence of an increase in the seawater partial pressure of carbon dioxide (pCO2) of 1.9 ± 0.3 µatm yr-1. Most of the seasonal variability in pCO2 at the ESTOC is explained by the thermodynamic effect of changes in temperature. In the Mauritanian area, the pCO2 increased at a rate of 4.6 µatm yr-1 from 2005 to 2008, showing values higher than at the ESTOC. The seasonal pCO2 variability observed in the Mauritanian upwelling area has been highly correlated with the upwelling index and it is higher than that observed at the ESTOC. Due to the heterogeneity of the CCLME it is not possible to generalize the observed trends. The rate of decrease of pH in the upwelling areas is the result of complex processes. These are determined by the intensity of the upwelling that can be modified by the variations in oceanographic conditions as a result of climate change.
    Description: Published
    Keywords: Ocean acidification ; ESTOC ; Carbonate saturation state ; CCLME ; ASFA15::P::pH ; ASFA15::C::Carbon dioxide
    Repository Name: AquaDocs
    Type: Report Section , Refereed
    Format: pp. 343-349
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  • 4
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    Underway physical oceanography and carbon dioxide measurements during Lars Maersk cruise 26LC20111207 (2016)
    PANGAEA
    In:  Faculty of Marine Sciences, University of Las Palmas, Gran Canaria
    Details
    Publication Date: 2024-02-17
    Keywords: 26LC20111207; 26LC20111207-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Lars Maersk; LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at sea surface temperature (dry air)
    Type: Dataset
    Format: text/tab-separated-values, 55977 data points
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    DATA PANGAEA
  • 5
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    Underway physical oceanography and carbon dioxide measurements during Lars Maersk cruise 26LC20110629 (2016)
    PANGAEA
    In:  Faculty of Marine Sciences, University of Las Palmas, Gran Canaria
    Details
    Publication Date: 2024-02-17
    Keywords: 26LC20110629; 26LC20110629-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Lars Maersk; LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at sea surface temperature (dry air)
    Type: Dataset
    Format: text/tab-separated-values, 52658 data points
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    DATA PANGAEA
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