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    Nearshore mixing and nutrient delivery along the western Antarctic Peninsula

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    Author
    Corbett, D. Reide (David Reide), 1971-; Crenshaw, Jared; Null, Kimberly; Peterson, Richard N.; Peterson, Leigha E.; Lyons, W. Berry
    Abstract
    The surface waters of the Southern Ocean play a key role in the global climate and carbon cycles by promoting growth of some of the world’s largest phytoplankton blooms. Several studies have emphasized the importance of glacial and sediment inputs of Fe that fuel the primary production of the Fe-limited Southern Ocean. Although the fertile surface waters along the shelf of the western Antarctic Peninsula (WAP) are influenced by large inputs of freshwater, this freshwater may take multiple pathways (e.g. calving, streams, groundwater discharge) with different degrees of water-rock interactions leading to variable Fe flux to coastal waters. During the summers of 2012–13 and 2013–14, seawater samples were collected along the WAP, near Anvers Island, to observe water column dynamics in nearshore and offshore waters. Tracers (223,224Ra, 222Rn, 18O, 2H) were used to evaluate the source and transport of water and nutrients in coastal fjords and across the shelf. Coastal waters are compared across two field seasons, with increased freshwater observed during 2014. Horizontal mixing rates of water masses along the WAP ranged from 110–3600 m2 s-1. These mixing rates suggest a rapid transport mechanism for moving meltwater offshore.
    URI
    http://hdl.handle.net/10342/6228
    Subject
     Horizontal eddy diffusivity; Land-ocean interface; Meltwater; Radium isotopes 
    Date
    2017
    Citation:
    APA:
    Corbett, D. Reide (David Reide), 1971-, & Crenshaw, Jared, & Null, Kimberly, & Peterson, Richard N., & Peterson, Leigha E., & Lyons, W. Berry. (January 2017). Nearshore mixing and nutrient delivery along the western Antarctic Peninsula. , (), - . Retrieved from http://hdl.handle.net/10342/6228

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Corbett, D. Reide (David Reide), 1971-, and Crenshaw, Jared, and Null, Kimberly, and Peterson, Richard N., and Peterson, Leigha E., and Lyons, W. Berry. "Nearshore mixing and nutrient delivery along the western Antarctic Peninsula". . . (), January 2017. September 25, 2023. http://hdl.handle.net/10342/6228.
    Chicago:
    Corbett, D. Reide (David Reide), 1971- and Crenshaw, Jared and Null, Kimberly and Peterson, Richard N. and Peterson, Leigha E. and Lyons, W. Berry, "Nearshore mixing and nutrient delivery along the western Antarctic Peninsula," , no. (January 2017), http://hdl.handle.net/10342/6228 (accessed September 25, 2023).
    AMA:
    Corbett, D. Reide (David Reide), 1971-, Crenshaw, Jared, Null, Kimberly, Peterson, Richard N., Peterson, Leigha E., Lyons, W. Berry. Nearshore mixing and nutrient delivery along the western Antarctic Peninsula. . January 2017; (): . http://hdl.handle.net/10342/6228. Accessed September 25, 2023.
    Collections
    • 2016-2017 Open Access Publishing Fund
    • Geological Sciences
    • Open Access Fund
    • Open Access Publishing Support Fund

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