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A zonally symmetric model for volcanic influence upon atmospheric circulationThe effects of volcanic activity upon zonal wind flow in a model atmosphere are considered. A low latitude volcanic eruption could lower the tropospheric pole to equator temperature difference and thereby affect the atmospheric motions. When the temperature contrast decreases, the zonal wind velocities at high altitudes are reduced. To conserve angular momentum, the velocities in the lower atmosphere near the surface must increase, thus providing a momentum source for ocean currents. It is suggested that this momentum source may have played a role as a trigger for inducing the 1982-83 anomalous El Nino and possibly other climate changes.
Document ID
19840046945
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Schatten, K. H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mayr, H. G.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Harris, I.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Taylor, H. A., Jr.
(NASA Goddard Space Flight Center Laboratory for Planetary Atmospheres, Greenbelt, MD, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: Geophysical Research Letters
Volume: 11
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
84A29732
Distribution Limits
Public
Copyright
Other

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