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    Nested scales of pH variability in sub-Arctic Kobbefjord, SW Greenland

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    Type
    Dataset
    Authors
    Krause-Jensen, D.
    Duarte, Carlos M. cc
    Hendriks, I. E.
    Meire, L.
    Blicher, M. E.
    Marbà, N.
    Sejr, M. K.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Red Sea Research Center (RSRC)
    Date
    2015-03-25
    Permanent link to this record
    http://hdl.handle.net/10754/663642
    
    Metadata
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    Abstract
    This dataset represents spatiotemporal variability in coastal pH-variability measured in a nested scale in the sub-Arctic Kobbefjord (64⁰10’ N, 51⁰33’ W) which makes part of the extensive Godthåbsfjordsystem near Nuuk, SW Greenland. A sensor array logging pH, oxygen, photosynthetically active radiation (PAR), temperature and salinity was applied on spatial scales ranging from km-scale across the horizontal extension of the fjord, over 100 m-scale vertically in the fjord, 10-100 m scale between subtidal habitats with and without kelp forests and between vegetated tidal pools and adjacent vegetated shores, to cm-m scale within kelp forests and pH was also measured at mm-scale across boundary layers of macrophyte tissue. In addition, we assessed the temporal variability in pH on diurnal and seasonal scales. Based on pH-measurements combined with relationships between salinity, total alkalinity and dissolved inorganic carbon we also estimated variability of the carbonate saturation state for aragonite Ωarag. Fjord-scale data sets were collected during three field campaigns (19 Apr, 18 Jul, 3 Sep 2013), shallow subtidal habitats and microscale data sets represent an intensive campaign (27 August–6 September 2013) and intertidal data were collected ultimo Aug 2014. Methods are described in detail in Krause-Jensen et al. (2015) which also contains a thorough presentation, analysis and discussion of the results.
    Citation
    Krause-Jensen, D., Duarte, C. M., Hendriks, I. E., Meire, L., Blicher, M. E., Marbà, N., & Sejr, M. K. (2015). Nested scales of pH variability in sub-Arctic Kobbefjord, SW Greenland [Data set]. Digital.CSIC. https://doi.org/10.20350/DIGITALCSIC/6218
    Publisher
    Digital.CSIC
    DOI
    10.20350/digitalcsic/6218
    Relations
    Is Supplement To:
    • [Article]
      Macroalgae contribute to nested mosaics of pH variability in a subarctic fjord 2015, 12 (16):4895 Biogeosciences. DOI: 10.5194/bg-12-4895-2015 HANDLE: 10754/577018
    ae974a485f413a2113503eed53cd6c53
    10.20350/digitalcsic/6218
    Scopus Count
    Collections
    Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program; Datasets

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