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Browsing USGS Science Center for Coastal and Marine Geology by Author "Sherwood, Christopher R."

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Browsing USGS Science Center for Coastal and Marine Geology by Author "Sherwood, Christopher R."

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  • Lacy, Jessica R.; Sherwood, Christopher R. (American Meteorological Society, 2004-09)
    The accuracy of velocities measured by a pulse-coherent acoustic Doppler profiler (PCADP) in the bottom boundary layer of a wave-dominated inner-shelf environment is evaluated. The downward-looking PCADP measured velocities ...
  • Dalyander, P. Soupy; Butman, Bradford; Sherwood, Christopher R.; Signell, Richard P.; Wilkin, John L. (Elsevier B.V., 2012-11-05)
    Waves and currents create bottom shear stress, a force at the seabed that influences sediment texture distribution, micro-topography, habitat, and anthropogenic use. This paper presents a methodology for assessing the ...
  • Signell, Richard P.; Carniel, Sandro; Chiggiato, Jacopo; Janekovic, Ivica; Pullen, Julie; Sherwood, Christopher R. (2006-08-08)
    In MREA and many other marine applications, it is common to have multiple models running with different grids, run by different institutions. Techniques and tools are described for low-bandwidth delivery of data from large ...
  • Ganju, Neil K.; Sherwood, Christopher R. (Elsevier B.V., 2010-03-27)
    A variety of algorithms are available for parameterizing the hydrodynamic bottom roughness associated with grain size, saltation, bedforms, and wave–current interaction in coastal ocean models. These parameterizations give ...
  • Lacy, Jessica R.; Sherwood, Christopher R.; Wilson, Douglas J.; Chisholm, Thomas A.; Gelfenbaum, Guy R. (American Geophysical Union, 2005-06-30)
    Hydrodynamic roughness is a critical parameter for characterizing bottom drag in boundary layers, and it varies both spatially and temporally due to variation in grain size, bedforms, and saltating sediment. In this paper ...
  • Socolofsky, Scott A.; Adams, E. Eric; Sherwood, Christopher R. (American Geophysical Union, 2011-05-12)
    Hydrocarbons released following the Deepwater Horizon (DH) blowout were found in deep, subsurface horizontal intrusions, yet there has been little discussion about how these intrusions formed. We have combined measured (or ...
  • Harris, Courtney K.; Sherwood, Christopher R.; Signell, Richard P.; Bever, Aaron J.; Warner, John C. (American Geophysical Union, 2008-10-29)
    Sediment dispersal in the Adriatic Sea was evaluated using coupled three-dimensional circulation and sediment transport models, representing conditions from autumn 2002 through spring 2003. The calculations accounted for ...
  • Chen, Shih-Nan; Geyer, W. Rockwell; Sherwood, Christopher R.; Ralston, David K. (American Geophysical Union, 2010-10-16)
    A 3-D hydrodynamic model is used to investigate how different size classes of river-derived sediment are transported, exported and trapped on an idealized, river-dominated tidal flat. The model is composed of a river channel ...
  • Ferre, Bénédicte; Sherwood, Christopher R.; Wiberg, Patricia L. (Elsevier B.V., 2010-02-01)
    Sediment transport and the potential for erosion or deposition have been investigated on the Palos Verdes (PV) and San Pedro shelves in southern California to help assess the fate of an effluent-affected deposit contaminated ...
  • Rubin, David M.; Chezar, Henry; Harney, Jodi N.; Topping, David J.; Melis, Theodore S.; Sherwood, Christopher R. (Elsevier B.V., 2007-05-26)
    For more than a century, studies of sedimentology and sediment transport have measured bed-sediment grain size by collecting samples and transporting them back to the laboratory for grain-size analysis. This process is ...

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