Enhancement of the Numerical Model SBEACH for Simulating Beach Profile Evolution in the Offshore

Abstract

Engineering structures and activities interfere with the sediment transport and morphological evolution in the coastal zone. Thus, it is necessary to understand, quantify, and predict the behavior of the morphology and how it interacts with such structures and activities when carrying out engineering projects on the coast (e.g., ports). The first step towards assessing the effects of engineering works on coastal morphology is to characterize the morphology itself and the mechanisms that control its evolution. Describing the morphology involves mean properties and trends as well as parameters quantifying a wide range of features that occur at many scales. The equilibrium shape of the beach profile or the shoreline, for a given configuration are typical examples of mean properties used to characterize the morphology, especially in engineering investigations. Morphological features in the coastal zone range from ripples to barrier islands, although it is typically only the feature at the scale of the project that has a potential for interaction with the engineering works and that needs to be studied. Here, the objective is to provide a brief overview of recent research in coastal morphology with the emphasis on quantifying the morphology of sandy beaches and its evolution. Most of the discussion is in the context of modeling, analytical or numerical, since engineering studies typically imply predictions about the future evolution of a particular coastal area and models are key tools in such studies.

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Document Details

Document Type
Technical Report
Publication Date
Feb 15, 2002
Accession Number
ADA400805

Entities

People

  • Magnus Larson

Organizations

  • Lund University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boltzmann Equation
  • Boundary Layer
  • Civil Engineering
  • Climate Change
  • Coastal Engineering
  • Computational Science
  • Diffusion Coefficient
  • Engineering
  • Engineers
  • Equations
  • Grain Size
  • Mathematical Models
  • Sea Level Rise
  • Sedimentation
  • Storm Surges
  • Surveys
  • Topography

Fields of Study

  • Environmental science

Readers

  • Coastal Oceanography
  • Systems Analysis and Design
  • Theoretical Analysis.