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Energetics of the high frequency disturbances over South America
1999
Revista Brasileira de Geofisica
The energetics of the high frequency disturbances over South America are studied using composite maps of cyclone systems. The composite maps are constructed with filtered geopotential height data at 1000 hPa for the days when negative anomalies at the base grid point 70 o W, 45 o S exceeded two standard deviations below the mean. The cyclone system composite has 61 cases. The spatial distribution of the available potential energy of the high frequency disturbances is similar to what is seen for
doi:10.1590/s0102-261x1999000100003
fatcat:hob657hhnncrzjck2kg6e2bdoi