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    The three scales of submarine groundwater flow and discharge across passive continental margins

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    655114.pdf (725.5Kb)
    Date
    2010-09
    Author
    Bratton, John F.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3909
    As published
    https://doi.org/10.1086/655114
    DOI
    10.1086/655114
    Abstract
    Increased study of submarine groundwater systems in recent years has provided a wealth of new data and techniques, but some ambiguity has been introduced by insufficient distinguishing of the relevant spatial scales of the phenomena studied. Submarine groundwater flow and discharge on passive continental margins can be most productively studied and discussed by distinct consideration of the following three spatial scales: (1) the nearshore scale, spanning approximately 0–10 m offshore and including the unconfined surficial aquifer; (2) the embayment scale, spanning approximately 10 m to as much as 10 km offshore and including the first confined submarine aquifer and its terminus; and (3) the shelf scale, spanning the width and thickness of the aquifers of the entire continental shelf, from the base of the first confined aquifer downward to the basement, and including influences of geothermal convection and glacio-eustatic change in sea level.
    Description
    This paper is not subject to U.S. copyright. The definitive version was published in Journal of Geology 118 (2010): 565-575, doi:10.1086/655114.
    Collections
    • Environmental Geoscience
    Suggested Citation
    Journal of Geology 118 (2010): 565-575
     
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