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    • HELCOM Manuals and Guidelines
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    •   Repository OceanBestPractices
    • ⇒ HELCOM: Baltic Marine Environment Protection Commission
    • HELCOM Manuals and Guidelines
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    Guidelines for monitoring of turbidity.

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    Date
    2017
    Corporate Author
    HELCOM
    Status
    Published
    Pages
    3pp.
    
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    Abstract
    Turbidity estimates the impact of light scattering due to particles on the level of light attenuation in the water column. It is affected by total suspended solids (i.e., organic and inorganic particles) in the water, and thus differs from water transparency, which is also dependent on the amount of chromophoric dissolved organic matter (CDOM). Organic particles are mainly autochthonous (phytoplankton, zooplankton, bacterial cells) and thus are related to the trophic state whereas inorganic particles are largely allochthonous (e.g., resuspension, fluvial sediment load). This source of error has to be taken into consideration whenever eutrophication status is assessed using turbidity in the Baltic Sea that is optically classified as a Case II water body (Morel and Prieur 1977), i.e., the body where concentrations of colour producing substances (e.g. phytoplankton, inorganic particles and CDOM) vary independently from each other. For turbidity, this feature is emphasized in coastal area.....
    Resource URL
    https://helcom.fi/helcom-at-work/publications/manuals-and-guidelines/
    Publisher
    HELCOM
    Helsinki, Finland
    Document Language
    en
    Sustainable Development Goals (SDG)
    14.a
    Maturity Level
    Mature
    Spatial Coverage
    Baltic Sea
    Citation
    HELCOM (2017) Guidelines for monitoring of turbidity. Helsinki, Finland, HELCOM, 3pp. DOI: http://dx.doi.org/10.25607/OBP-1799
    URI
    https://repository.oceanbestpractices.org/handle/11329/2004
    http://dx.doi.org/10.25607/OBP-1799
    Collections
    • CAPARDUS Practices [147]
    • HELCOM Manuals and Guidelines [49]

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