SPACE-TIME VARIABILITY OF THE THERMAL STRUCTURE OF THE UPPER LAYERS OF THE OCEAN.
Master's thesis; Research rept.,
SPERRY RAND RESEARCH CENTER SUDBURY MASS
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A parameter is developed for measuring changes in the structure of the mixed layer. Time series analysis shows stable thermal conditions existing for several days, followed by very rapid decay of thermal structure. These periods of decay or nonrepresentativeness are examined and found to be due to mixing regions between horizontally advecting discrete water masses and independent of 40 meteorological and oceanographic parameters. The spacial study indicates that data density is a critical factor and that present methods of contouring mixed layer depths needs serious revision. Accordingly, a new technique is developed for mapping mixed layer depths. Author