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High-latitude oceanic variability associated with the 18.6-year nodal tideWater column temperature variations which indicate that the upper ocean is responding to 18.6-yr tidal forcing are presented. An enhanced high-latitude response to this forcing is predicted by equilibrium tide theory, and it should be most evident at latitudes poleward of about 50 deg. Critical information on regional climate variations might be found in the subsurface waters of the North Pacific and possibly other high-latitude oceans. The 18.6-yr nodal tidal cycle must be considered in circulation models of the ocean and atmosphere that examine time scales of decades or longer. Because the temperature range associated with the cycle is 0.5-1 C, short-term climate and biological populations could be affected.
Document ID
19930047813
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Royer, Thomas C.
(Alaska Univ. Fairbanks, United States)
Date Acquired
August 16, 2013
Publication Date
March 15, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: C3
ISSN: 0148-0227
Subject Category
Oceanography
Accession Number
93A31810
Funding Number(s)
CONTRACT_GRANT: NSF OCE-86-08125
CONTRACT_GRANT: NAGW-2517
CONTRACT_GRANT: NOAA-NA-90AADAC805
CONTRACT_GRANT: NSF OCE-90-12866
Distribution Limits
Public
Copyright
Other

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