Now showing items 1-2 of 2

    • Investigating the Role of Clasts on the Movement of Sand in Gravel Bed Rivers 

      A. (Thanos) N. Papanicolaou; Dimitrios C. Dermisis; Elhakeem, Mohamed (American Society of Mechanical Engineers, 2011-08-15)
      The bed morphology of mountain rivers is characterized primarily by the presence of distinguishable isolated roughness elements, such boulders or clasts. The objective of this experimental study was to provide a unique ...
    • Knickpoint Migration and Evolution in the Deep Loess Region of Western Iowa 

      F. Bressan; A. (Thanos) N. Papanicolaou; J. T. Thomas; C. G. Wilson; M. Elhakeem (American Society of Civil Engineers, 2013)
      Knickpoints are geomorphic bed features characterized by the formation of a sharp change (i.e., knick) in the channel slope leading to the creation of a wide crest staircase. Knickpoints migrate upstream and cause bank ...