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  • Observing the coastal ocean with HF radar

    Creator:
    O'Keefe, Sheila
    Abstract:
    Coastal-based high-frequency (HF) radar systems are an increasingly used tool for measuring surface currents in the coastal ocean. These systems provide a spatial and temporal resolution not achievable with other methods. Standard-range sites typically generate hourly maps of surface currents on a 2km grid extending approximately 50km from shore while...
    Resource Type:
    Masters Thesis
    Full Text:
    HF radar measurements are proposed. One year of current data from the Oregon coast and idealized

  • Remote measurements of waves and currents over complex bathymetry

    Creator:
    Chickadel, Carmine C. (Carmine Christopher)
    Abstract:
    Waves are the primary input of energy in the nearshore region, and together with the currents forced through the transfer of momentum that occurs during the wave breaking process they are the principal mechanism for sediment transport in the nearshore. The basic physics of waves and currents are thought to...
    Resource Type:
    Dissertation
    Full Text:
    dissertation first details the development and application of an optical remote sensing technique to measure

  • On the Imaging of Rip Currents in X-band Radar

    Creator:
    Kloster, Rebecca
    Abstract:
    Rip currents pose a serious danger to visitors of bathing beaches; they are also an important process in surf zone circulation. Haller et al. [2014] demonstrated that shore-based X-band radar can be used to compliment in situ measurements of rip currents. However, little is known of the underlying radar imaging...
    Resource Type:
    Masters Thesis
    Full Text:
    development of methods to estimate rip current properties based on remote sensing observations

  • A comparison of seafloor sonar classification methods through the use of error matrices and 3 dimensional GIS visualization : a multibeam sonar investigation of Nehalem Bank, Oregon

    Creator:
    Lanier, Andrew S.
    Abstract:
    Multibeam sonar data was collected on Nehalem Bank, off of the Oregon Coast with the purpose of increasing the spatial resolution of our knowledge of the area and delineating seafloor habitats. The system used was the Kongsberg Simrad EM-300 operating at 30 kHz. The data set collected includes both topographic...
    Resource Type:
    Masters Thesis
    Full Text:
    ................................................................... 3.5 Acoustic Remote Sensing Image Classification..................................... Chapter 4