Bedform-velocity matrix: The estimation of bottom current velocity from bedform observations

D. A V Stow, F. Javier Hernández-Molina, Estefania Llave, Miriam Sayago-Gil, Victor Díaz-del Río, Adam Branson

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    139 Citations (Scopus)

    Abstract

    A wide variety of bedforms, both depositional and erosional in origin, has been recognized on the deep seafloor and attributed to the influence of bottom currents. These range in scale from those visible in bottom photographs (centimeter to decimeter), to those recorded with seafloor bathymetric imaging (meter to kilometer). In many cases it has been possible to provide some quantifi cation of substrate grain size and flow velocity responsible for each bedform type. We have synthesized both our own and published data in order to present a bedform-velocity matrix, which facilitates the estimation of bottom current velocity based on bedform type. Despite imperfections, we believe this to be a valuable model for assessing strength and variability of bottom currents that can have a significant influence on the siting of submarine cables, pipelines, and other seafloor installations. © 2009 The Geological Society of America.

    Original languageEnglish
    Pages (from-to)327-330
    Number of pages4
    JournalGeology
    Volume37
    Issue number4
    DOIs
    Publication statusPublished - Apr 2009

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    Stow, D. A. V., Hernández-Molina, F. J., Llave, E., Sayago-Gil, M., Díaz-del Río, V., & Branson, A. (2009). Bedform-velocity matrix: The estimation of bottom current velocity from bedform observations. Geology, 37(4), 327-330. https://doi.org/10.1130/G25259A.1