Archive image from page 213 of The directional spectrum of a The directional spectrum of a wind generated sea as determined from data obtained by the Stereo Wave Observation Project directionalspect00chas Year: 1957 â W -» -TO -« -SO -40 -» -M HO 0 10 !0 30 40 90 W TO «> W â « -eo -TO -to -so -40 -30 -!0 -10 O O M> SO 40 90 60 TO W 90 FIG. ANGULAR VARIATION FOR A CONSTANT FREQUENCY IN THE DIRECTIONAL SPECTRUM. 202
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