Open AccessLateral effects on monsoon systems
Author(s) -
Peter J. Webster
Publication year - 1978
Publication title -
mausam
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.243
H-Index - 12
ISSN - 0252-9416
DOI - 10.54302/mausam.v29i1.2883
Subject(s) - latitude , longitude , climatology , geology , barotropic fluid , northern hemisphere , southern hemisphere , monsoon , eddy , middle latitudes , atmospheric sciences , zonal flow (plasma) , geographic coordinate system , meteorology , geography , geodesy , turbulence , physics , plasma , quantum mechanics , tokamak
A theoretical study of the interaction or remote effects on the monsoon system is described. Such effects, in particular the cross-equatorial influence of the rapidly evolving southern hemisphere equinoctial circulation in the late northern hemisphere spring and again in the fall, have been speculated from observation.
To study such interaction, a primitive barotropic model is developed which contains a basic flow in the equatorial regions which is a function of both latitude and longitude. Such a flow contains the influence of the large-scale stationary eddies of low-latitudes which has the effect of producing a' 'critical latitude" that is also a function of both longitude and latitude, In this manner equatorward propagating energy from mid-latitude disturbances has the opportunity to propagate through the equatorial regions and thus modify the basic structure of the monsoon regime.