Mathematics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981msfr.rept..145w&link_type=abstract
In its Modeling and Simulation Facility: Res. Rev., 1980 - 1981 p 145-146 (SEE N82-25551 16-42)
Mathematics
Anomalies, Electromagnetic Surface Waves, Linear Prediction, Ocean Surface, Ocean Temperature, Planetary Radiation, Annual Variations, Barotropic Flow, Mathematical Models, Monte Carlo Method, Rossby Regimes, Tropospheric Waves
Scientific paper
A numerical model was developed to study planetary wave behavior over periods up to 4 months under the influences of stochastic and diffusive forcing by synoptic scale motions and of sea surface temperature anomalies. The model is suitable for Monte Carlo experiments which provide ensemble mean and variance predictions and permit the response to heating anomalies to be partly separated from random variability. The model incorporates the linear-balanced dynamical equations for wind at two tropospheric levels and temperature at one level. The model atmosphere is forced by semiempirical January heating linearly dependent on local air temperature. Topography and the lower boundary layer are represented by vertical motion and drag functions, respectively, of the lower level wind. The linear phase speeds of Rossby waves are modified to reflect the effect of the stratosphere.
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