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Linear trends in Northern Hemisphere tropospheric geopotential height and temperature patternsGridded National Meteorological Center data for 500 mb geopotential height and 300-500 mb and 500-700 mb thickness for the period 1951-1978 are subjected to linear trend analyses. The analyses are carried out for each calendar month. Significant geographical and seasonal distributions of cooling and warming patterns are found. An atmospheric cooling trend over the North Pacific during the winter months is seen in a region where oceanic cooling has also been observed, but planetary-wave adjustments rather than ocean-atmosphere feedback mechanisms appear to be dominant in the atmospheric cooling on climatic time scales. Consistently large temperature trends are also seen over the continent of Asia. Comparisons between thickness trends in the layer 300-500 mb and those in the layer 500-700 mb reveal pronounced patterns of stabilization and destabilization.
Document ID
19820049320
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Reiter, E. R.
(Colorado State Univ. Fort Collins, CO, United States)
Westhoff, D. R.
(Colorado State University Fort Collins, CO, United States)
Date Acquired
August 10, 2013
Publication Date
March 1, 1982
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 39
Subject Category
Geophysics
Accession Number
82A32855
Funding Number(s)
CONTRACT_GRANT: NSF ATM-80-16867
CONTRACT_GRANT: DE-AS02-76EV-01340
CONTRACT_GRANT: NAG5-136
Distribution Limits
Public
Copyright
Other

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