SUMMARYA statistical analysis of wind, air, dew-point and sea-temperature records from all nine weather ships in the North Atlantic shows local variations between years which are highly significant when compared with variations within months. The fluctuations show a consistent pattern with a scale of more than 500 miles in the atmosphere and a persistence over several months. T h e horizontal extent of sea-surface temperature anomalies appears to be somewhat smaller, but they tend to last longer than air-temperature anomalies.Short-period variations in the flux of latent and sensible heat are due predominantly to atmospheric variations, particularly in winter. The effect of sea-surface temperature anomalies is somewhat greater in summer, though it becomes significant only on the annual time scale.
Attenuation, absorption, and total scattering coefficients for sea water at 5300 A were obtained nearly simultaneously from experimental observations at the Argus Island tower in the North Atlantic Ocean and in Long Island Sound and Block Island Sound. A unique in situ instrument permitted scattering measurements at a minimum forward angle of 0.2°. Depth profiles of the three coefficients exhibit an over‐all agreement with simple theoretical prediction within a factor of 2. Coefficients measured in Long Island Sound were about a factor of 10 larger than those from the North Atlantic station, and coefficients from Block Island Sound were intermediate.
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