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Name: Sheremet, Alex
Title: Assistant Professor
Organization: Civil and Coastal Engineering, ESSIE
Education: Ph.D., Oceanography, Technion, Haifa, Israel, 1996
Office Address: 365 Weil Hall PO Box 116580 Gainesville, FL 32611-6580
Email: ashere@ufl.edu
Telephone: +1 (352) 392-9537

Google Scholar Profile link:

Interests: Surface gravity waves. I am interested in studying unsolved aspects related to spectral evolution of non-resonant three-wave interactions over uneven bathymetry, such as stochastic directional triads evolution, and large scale wave propagation over finite depth, which are still beyond forecasting capabilities of existing wave models.Infragravity waves (IG, long, waves). I have been studying mostly field data collected during the SandyDuck '97 experiment. I have developed new techniques to analyze the directional characteristics of IG waves. The long term goal is to understand the mechanisms for forcing and dissipation of IG trapped waves, and model their evolution.Wave-sediment interaction. For me this topic has developed in the last two years into a full program, due in a significant part to ONR interest and funding. The strong coupling of hydrodynamic and sedimentary processes complicates the problem by requiring a simultaneous treatment of wave, sediment, and current evolution. An additional complication has been highlighted during Hurricane Ivan: high sedimentation rates create typically unstable sea beds prone to collapsing and flowing under energetic hydrodynamic forcing. Field work, instrumentation, measurement techniques.Nonlinear waves, regarded as a general pattern of behavior of nonlinear dynamical systems. Data analysis methods, applied mathematics. These topics will probably always accupy some place on my interests list. ProjectsWave forecasting in muddy environments (ONR Coastal Geosciences)Coupled dynamics of waves and fluid mud layers (ONR Coastal Geosciences). Papers Sheremet, A., A. J. Mehta, B. Liu, and G. W. Stone, Wave-sediment interaction on a muddy inner shelf during Hurricane Claudette, Estuarine Coastal and Shelf Science 63, 225-233, 2005. (pdf file)Sheremet, A., R.T. Guza, and T. H. C. Herbers, A new estimator for directional fluxes of nearshore waves, Journal of Geophysical Research, Vol. 110, No. C1, C01001, DOI:10.1029/ 2003JC002236, 11pp, 2005. Sheremet, A., R. T. Guza, S. Elgar, and T. H. C. Herbers, Observations of nearshore infragravity waves. Seaward and shoreward propagating components, Journal of Geophysical Research V107, No. C8, DOI: 10.1029/ 2001JC000970.2003, 10 pp, 2003. (pdf file)Sheremet A. and G. W Stone, Observations of wave dissipation over muddy sea beds, Journal of Geophysical Research, Vol. 108, No. C11, DOI: 10.1029/ 2003JC001885, 11 pp., 2003 (pdf file)Bentley, S. and A. Sheremet, A new model for the emplacement, bioturbation and preservation of fine-scaled sedimentary strata, Geology, v. 31, No. 8, p. 725-728, 2003.Agnon, Y and A. Sheremet. Stochastic Evolution Models for Nonlinear Gravity Waves Over Uneven Topography, Advances in Coastal and Ocean Engineering, World Scientific, Vol. 6, Philip L-F Liu ed., 2000. (pdf file)

Keywords: FIELD; LABORATORY; MODELS; NONLINEAR; SEDIMENT; THEORETICAL; WAVES

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Subject AreaFocus Area
ClimateExtreme Events
Data Analysis/ModelingCoastal/estuarine modeling
HydraulicsStochastic modeling
Time Series Analysis
Fluid mechanics
Hydrodynamics
Sediment transport