GRAM-90, improvement on original model, provides values of atmospheric parameters, either automatically at positions along linear path or along any set of connected positions specified by user. Parameters produced include monthly total and mean values of pressure, density, temperature, and wind, as well as perturbation values and magnitudes. Also provides thermal wind shear for monthly mean winds, percent deviation from standard atmosphere, mean vertical wind, and perturbation data for each position. Perturbation data consist of values of quasi-biennial and random perturbations. Written in FORTRAN 77.
Global Reference Atmospheric Model - 1990
NASA Tech Briefs ; 17 , 5
1993-05-01
Miscellaneous
No indication
English
Global Reference Atmospheric Model (GRAM) Overview
NTIS | 2017
|NASA-MSFC Global Reference Atmospheric Model - 1995 Version
Online Contents | 1997