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Comparative energetics of the observed and simulated global circulation during the special observing periods of FGGE
Author(s) -
Kung E. C.,
Baker W. E.
Publication year - 1986
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49711247303
Subject(s) - energetics , baroclinity , kinetic energy , circulation (fluid dynamics) , dissipation , climatology , meteorology , general circulation model , cyclone (programming language) , range (aeronautics) , atmospheric sciences , physics , environmental science , mechanics , geology , classical mechanics , materials science , thermodynamics , computer science , oceanography , climate change , field programmable gate array , computer hardware , composite material
Energetics of the observed and simulated global circulation are evaluated in the zonal spectral domain for the special observing periods of FGGE. The study utilizes GLA analyses of FGGE observational data and parallel simulation experiments. There are noticeable differences in energy transformations between the observation and simulation during SOP‐1. These include the baroclinic conversion C(n) by the zonal mean motion and short‐wave disturbances, and the nonlinear wave‐wave interaction L(n) at the long and short waves. The energy transformations of the short‐wave disturbances are much more intense in the simulated circulation than in the observation. However, good agreement is noted in the conversion and dissipation of kinetic energy in the large‐ and cyclone‐wave range n = 1–10. Spectral distributions of global energy transformations at the long‐ and cyclone‐wave range indicate that the SOP‐2 simulation agrees more closely with the observed fields than the SOP‐1 simulation. Other pertinent points of energetics diagnosis are also included in the discussion.