A NUMERICAL EXPERIMENT ON THE PROCESSES OF TOPOGRAPHIC PERTURBATIONS IN A BAROCLINIC ATMOSPHERE,

Abstract

This report presents a numerical calculation by means of a three-level model of the distribution of zonal circulation of an ideal field under the influence of the processes of topographic perturbations for a time interval of 60 hours. The results reveal that the influence of topographic perturbations is characterized by a distinct time lag (it takes some 48 hours for the processes to attain a relatively stable state). On the other hand, the difluence of the banded flow around the Tibetan Plateau ('detouring' phenomenon) is significantly reflected in the calculated results. In the northern hemisphere, the positions of troughs and ridges induced by topography are basically concordant with those determined from the mean circulation pattern. This shows that realistic and appropriate boundary conditions have been included in the present study. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1968
Accession Number
AD0680837

Entities

People

  • Zhu Yong-ti

Organizations

  • Emmanuel College

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Atmospheres
  • Boundaries
  • Geographic Distribution
  • Geographic Regions
  • Geography
  • Hemispheres
  • Intervals
  • Northern Hemisphere
  • Perturbations
  • Time Intervals
  • Topography

Readers

  • Atmospheric Science/Meteorology
  • Theoretical Analysis.