A study of surface, 50 meter and 200 meter temperature and salinity fluctuations at ocean weather station November, 1968-1970.

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Author
Hansen, Donnel Eldon.
Date
1973-06Advisor
Bourke, R.H.
Second Reader
Boston, Noel
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Show full item recordAbstract
Long and short-term surface, 50 and 200 meter temperature and
salinity fluctuations at Ocean Weather Station November during 1968
through 1970 were examined using several statistical techniques. One
technique, a unique monthly bi-variate modal analysis of surface temperature
and salinity, proved to be a valuable research tool in that the
resulting monthly modal cells, when plotted on a T-S diagram, provided
a simplified view of the annual T-S relationships. The average range of
mean monthly temperatures at the surface was found to be 5.6º C and
4.0 Cº at 50 meters. Salinity at both the surface and 50 meters
exhibited a semi-annual periodicity. Range of temperature at 200
meters was 1.5º C. The results of a seasonal linear regression analysis
show that surface and 50 meter temperatures were correlated
during periods of increasing or decreasing surface temperatures.
Surface temperature and salinity were correlated only during the
apparent advection of modified subarctic water into the region around
OWS November.
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