Dynamics of Forced Coastal-trapped Disturbances

Abstract

LONG-TERM GOALS. The long-term goal of this project is to improve our ability to understand and predict meteorological conditions in the coastal marine atmospheric boundary layer. OBJECTIVES. The objective of this project is to investigate the dynamics of coastal marine atmospheric boundary layer winds including the generation and propagation of coastal-trapped disturbances and their interaction with coastal orography and with orographically-modified ambient winds. APPROACH. The approach taken in this project is to obtain analytical and numerical solutions of idealized mathematical models of the marine atmospheric boundary layer and to compare these solutions to observations and to results from more complex models. WORK COMPLETED. Numerical model solutions of hydraulically supercritical and subcritical flows have been computed for domains with irregular coastline geometry. The nonlinear interaction of coastal-trapped disturbances and transcritical steady-state flows has been analyzed (Rogerson, submitted 1997). The vertical structure of coastal-trapped disturbances has been analyzed for linear models with continuous and two-layer stratification (Samelson, submitted 1997a).

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1997
Accession Number
ADA635110

Entities

People

  • Audrey M. Rogerson
  • Roger M. Samelson

Organizations

  • Woods Hole Oceanographic Institution

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Atmospheric Sciences
  • Base Flow
  • Boundaries
  • Boundary Layer
  • Continental Shelves
  • Dynamics
  • Flow
  • Information Operations
  • Layers
  • Leading Edges
  • Mathematical Models
  • Models
  • Ocean Currents
  • Oceans
  • Pressure Gradients
  • Steady State
  • Weather Forecasting

Fields of Study

  • Environmental science

Readers

  • Fluid Dynamics.
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers