Effects of noise of offshore Effects of noise of offshore oil and gas operations on marine mammals : an introductory assessment effectsofnoiseof00gale Year: 1982 120 HO 100 90 80 70 60 50 40 'i—fmrni r-i~rTTT» rp'—r-rrTrrrn — Off Ft. Louderdole, Flo, Ktvjtfeen (5)' '—-Scotior. S1«lf, PiggotV (15) — ——~ Average of seven Pocif ic Oceon locotions, Wenz (4) JAU 111 JL_LaJJL!JU. 10,000 100,000 Figure 6e Ambient noise spectra at coastal locations with wind speed as a parameter (Urick, 1975). G-49

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