Divergent Initialization Experiments Using a Spectral Model.

Abstract

An initialization of a spectral formulation of the primitive equations using a diagnostic divergence is tested for a global model. The initial conditions are generated from a developing baroclinically unstable wave. A semi-implicit time scheme is developed and tested along with the usual explicit method during the course of the experiments. Results show a relatively small effect of a divergent initialization on the ensuring integrations. The semi-implicit method shows a tendency to smooth out high frequency oscillations in local tendencies. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1977
Accession Number
ADA045559

Entities

People

  • Olaf M. Lubeck
  • R. T. Williams
  • Thomas Rosmond

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • California
  • Colorado
  • Computational Science
  • Equations
  • Fluid Dynamics
  • Frequency
  • Gravity
  • Gravity Waves
  • Grids
  • High Resolution
  • Low Resolution
  • Meteorology
  • Navy
  • Research Facilities
  • Temperature Gradients
  • United States

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Computational Fluid Dynamics (CFD)
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers