A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations

The seasonal cycle of a GCM is analyzed in terms of the behavior of the monthly and seasonal mean fields and the structure of the annual harmonic. The GCM is found to be successful in simulating the Northern Hemisphere sea-level pressure and 200-mb heights over eastern continents and oceans and in t...

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Main Authors: Straus, David M., Shukla, J.
Format: Other/Unknown Material
Language:unknown
Published: 1988
Subjects:
47
aleutian low
Antarc*
Antarctica
Online Access:http://ntrs.nasa.gov/search.jsp?R=19890039607
id ftnasantrs:oai:casi.ntrs.nasa.gov:19890039607
record_format openpolar
spelling ftnasantrs:oai:casi.ntrs.nasa.gov:19890039607 2023-05-15T13:14:56+02:00 A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations Straus, David M. Shukla, J. Unclassified, Unlimited, Publicly available Dec 1, 1988 http://ntrs.nasa.gov/search.jsp?R=19890039607 unknown http://ntrs.nasa.gov/search.jsp?R=19890039607 Accession ID: 89A26978 Copyright Other Sources 47 Atmosphere - Ocean; 26; 541-607 1988 ftnasantrs 2012-02-15T17:59:40Z The seasonal cycle of a GCM is analyzed in terms of the behavior of the monthly and seasonal mean fields and the structure of the annual harmonic. The GCM is found to be successful in simulating the Northern Hemisphere sea-level pressure and 200-mb heights over eastern continents and oceans and in the entire Southern Hemisphere. Problems in the simulation include an anomalously deep Aleutian low and low values of the height over Europe in winter. The GCM fails to show the observed amplitude of the annual harmonic in 200-mb temperature over Antarctica. In the second section, the seasonal dependence of the stationary and transient eddies of the GCM are presented for a two-year annual cycle. The accuracy of the wave and eddy simulations is analyzed. Other/Unknown Material aleutian low Antarc* Antarctica NASA Technical Reports Server (NTRS)
institution Open Polar
collection NASA Technical Reports Server (NTRS)
op_collection_id ftnasantrs
language unknown
topic 47
spellingShingle 47
Straus, David M.
Shukla, J.
A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
topic_facet 47
description The seasonal cycle of a GCM is analyzed in terms of the behavior of the monthly and seasonal mean fields and the structure of the annual harmonic. The GCM is found to be successful in simulating the Northern Hemisphere sea-level pressure and 200-mb heights over eastern continents and oceans and in the entire Southern Hemisphere. Problems in the simulation include an anomalously deep Aleutian low and low values of the height over Europe in winter. The GCM fails to show the observed amplitude of the annual harmonic in 200-mb temperature over Antarctica. In the second section, the seasonal dependence of the stationary and transient eddies of the GCM are presented for a two-year annual cycle. The accuracy of the wave and eddy simulations is analyzed.
format Other/Unknown Material
author Straus, David M.
Shukla, J.
author_facet Straus, David M.
Shukla, J.
author_sort Straus, David M.
title A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
title_short A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
title_full A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
title_fullStr A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
title_full_unstemmed A comparison of a GCM simulation of the seasonal cycle of the atmosphere with observation. I - Mean fields and the annual harmonic. II - Stationary waves and transient fluctuations
title_sort comparison of a gcm simulation of the seasonal cycle of the atmosphere with observation. i - mean fields and the annual harmonic. ii - stationary waves and transient fluctuations
publishDate 1988
url http://ntrs.nasa.gov/search.jsp?R=19890039607
op_coverage Unclassified, Unlimited, Publicly available
genre aleutian low
Antarc*
Antarctica
genre_facet aleutian low
Antarc*
Antarctica
op_source Other Sources
op_relation http://ntrs.nasa.gov/search.jsp?R=19890039607
Accession ID: 89A26978
op_rights Copyright
_version_ 1766266158710784000

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