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    The design of an instrument to measure vertically averaged oceanic currents using geomagnetic electric fields

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    Poranski_Thesis (1.969Mb)
    Date
    1972-08
    Author
    Poranski, Peter Frank  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/1242
    DOI
    10.1575/1912/1242
    Keyword
     Ocean currents; Oceanographic instruments 
    Abstract
    A bottom mounted electromagnetic current meter measures the vertically-averaged conductivity-weighted velocity. This measurement complements free-fall relative velocity profiles and is valuable for transport determination and dynamics studies. Such an instrument has been designed to measure the three components of the electric field, Ex, Ey, and Ez. Salt bridges used with switched electrodes permit the induced e1ectromotive forces to be measured with only a short baseline; eight foot arms are planned. The first part of this report covers the theory behind the bottom mounted electric field meter. The second part discusses the design of the instrument as well as a brief description of the prototype bottom mounted electric field meter.
    Description
    Submitted in partial fulfillment of the requirements of the degree of Ocean Engineer at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution and Master of Science in Ocean Engineering at the Massachusetts Institute of Technology August, 1972
    Collections
    • Applied Ocean Physics and Engineering (AOP&E)
    • WHOI Theses
    Suggested Citation
    Thesis: Poranski, Peter Frank, "The design of an instrument to measure vertically averaged oceanic currents using geomagnetic electric fields", 1972-08, DOI:10.1575/1912/1242, https://hdl.handle.net/1912/1242
     

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