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Current COFDL Projects

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Current COFDL Projects
    Ring-Of-Doom Experiment - A circular array of current meters is being used to measure surfzone vorticity (e.g., from horizontal eddies) on a natural beach, hypothesized to be forced by short-crested breaking waves. In addition, spatially dense observations of wave forcing, pressure gradients, and surfzone flows are being used to estimate advective acceleration and to evaluate and calibrate a numerical model for surfzone hydrodynamics. The field-tested model will be used to explore the causes of the advective accelerations in the presence of alongshore inhomogeneous surfzone bathymetry.  
     
  The Jetyak - The Jetyak, developed by WHOI scientists Peter Traykovski and Hanu Singh, was adapted from a commercially available jet-powered kayak. It can be controlled remotely or programmed to run autonomously on a designated course. Equipped with downward-looking sonars and current meters, it's ideal for mapping the seafloor or water properties in coastal areas that are too shallow for underwater vehicles or in areas too dangerous for humans, such as the fronts of calving glaciers.
     
   

River Mouths & Inlets - Field experiments are currently underway to improve understanding of, and to develop and test models for the processes near a river mouth or inlet, including evolution of morphology, bathymetry, and bed roughness, wave-current interactions in constricted flows, wave evolution and breaking near strong currents, circulation patterns, and tracer dispersion.

     
  Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES) - DIMES is a US/UK field program aimed at measuring diapycnal and isopycnal mixing in the Southern Ocean along the tilting isopycnals of the Antarctic Circumpolar Current. Ocean circulation is a critical regulator of the Earth's climate processes.
     
    NSSEFF Beach Manipulation - Fieldwork is geared toward understand the coupling and feedback between waves, currents, sediment transport, and evolving morphology so that maps of the seafloor can be made from remotely sensed information, and so that the maps can be updated with numerical models.
     
 
Katama - We are using field observations and numerical model simulations to investigate the complex hydrodynamics and the causes of the large morphological change along the southern shoreline of Martha’s Vineyard and Chappaquiddick Island. This coastal area has strong tidal currents, large waves, a migrating inlet, and a changing shoreline.
     
  The Nearshore Mesoscale (Vannevar Bush Fellowship) - Recently discovered energetic, small-scale surfzone fluid motions (the "nearshore mesoscale”) are being investigated with in-situ and remotely-sensed (IR, lidar, optical) observations of waves, currents, and sea-surface elevation fluctuations. 



Last updated: March 8, 2018



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