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    A dual sensor device to estimate fluid flow velocity at diffuse hydrothermal vents

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    Sarrazin_reviewed2009_with_figs.pdf (403.2Kb)
    Date
    2009-06-12
    Author
    Sarrazin, Jozée  Concept link
    Rodier, P.  Concept link
    Tivey, Margaret K.  Concept link
    Singh, Hanumant  Concept link
    Schultz, A.  Concept link
    Sarradin, Pierre-Marie  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3118
    As published
    https://doi.org/10.1016/j.dsr.2009.06.008
    Keyword
     Fluid flow velocity; Hydrothermal vent; Hot film anemometer; Video imagery; Diffuse flow 
    Abstract
    Numerous attempts have been made over the last thirty years to estimate fluid flow rates at hydrothermal vents, either at the exit of black smoker chimneys or within diffuse flow areas. In this study, we combine two methods to accurately estimate fluid flow velocities at diffuse flow areas. While the first method uses a hot film anemometer that performs high frequency measurements, the second allows a relatively rapid assessment of fluid flow velocity through video imagery and provides in situ data to calibrate the sensor. Measurements of flow velocities on hydrothermal diffuse flow areas were obtained on the Mid-Atlantic Ridge (MAR). They range from 1.1 to 4.9 mm/sec., at the substratum level, in low temperature (4.5 to 16.4°C) diffuse flow areas from the Tour Eiffel sulfide edifice. A strong correlation was observed between fluid flow velocities and temperature, supporting the possible use of temperature as a proxy to estimate flow rates in diffuse flow areas where such a simple linear flow/temperature relation is shown to dominate.
    Description
    Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution. The definitive version was published in Deep Sea Research Part I: Oceanographic Research Papers 56 (2009): 2065-2074, doi:10.1016/j.dsr.2009.06.008.
    Collections
    • Applied Ocean Physics and Engineering (AOP&E)
    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Preprint: Sarrazin, Jozée, Rodier, P., Tivey, Margaret K., Singh, Hanumant, Schultz, A., Sarradin, Pierre-Marie, "A dual sensor device to estimate fluid flow velocity at diffuse hydrothermal vents", 2009-06-12, https://doi.org/10.1016/j.dsr.2009.06.008, https://hdl.handle.net/1912/3118
     

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