Analysis and Ranking of the Acoustic Disturbance Potential of ...

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Report No. 6945 BBN Systems and Technology Corporation o Judy Ann. 02 Sept 1986 500 Hz 113 octave band 2. C. 500 HZ 1/3 Octave m d g 1 Judy Ann. 02 Sept 1986 3150 Hz 113 octave band D. 3150 Hz 1/3 Octave Band Figure B.3. (Conto)
Report No. 6945 BBN Systems and Technology Corporation APPENDIX C: TRANSMISSION LOSS CHARACTERISTICS FOR SELECTED OCS PLANNING AREAS The results obtained from the IFD sound transmission model for the Norton Basin, North Aleutian Basin and Shumagin OCS Planning Areas are presented here. Results are given for surface layer and neutral gradient conditions in these areas using the representative sound speed profiles shown in Fig. 4.2. A summary of the propagation data reported by Greene 1981 for the Chukchi Sea area is also presented. The conditions represented are winter with 100% ice cover and summer with 50% ice cover. The information is presented in the following figures: Fig. CIA. Transmission Loss Characteristics, Chukchi Sea, Summer (Greene 1981) Fig. C1B. Transmission Loss Characteristics, Chukchi Sea, Winter (Greene 1981) . Fig. C2A. Transmission Loss Characteristics, Norton Basin, Surface Duct Conditions Fig. C2B. Transmission Loss Characteristics, Norton Basin, Neutral Gradient Conditions Fig. C3A. Transmission Loss Characteristics, North Aleutian Area, Surface Layer Conditions Fig. C3B. Transmission Loss Characteristics, North Aleutian Area, Neutral Gradient Conditions Fig. C4A. Transsission Loss Characteristics, Shumagin Area (Rocky Bottom Region), Surface Layer Condition Fig. C4B. Transmission Loss Characteristics, Shumagin Area (Rocky Bottom Region), Neutral Gradient Conditions
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BBN Svstems and Technologies Cor~or
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Report No. 6945 BBN Systems and Tec
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H BOWERS BAW I ALEUTIAN ARC 3 STGEC
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A BEAUFORT SEA B U WCH SEA CHOPEaAS
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Report No. 6945 L 1 A. Baird's Beak
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A BEAUFCRT SEA B CHW(CH SEA CHOPEBA
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A BEAUFCRT SEA BWKQIYA DrnTONBAsw E
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A BEAUFORT SEA BCHlKCHSEA CHaeEansr
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on the ice. The single calves remai
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A 0EAUFaAT SEA BCHJKCH 9 A CHaPE BA
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BCmrcCHSEA CHOPEBnsw 0 NORTON 0Am E
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.. A BEWORT SEA B WKCH SEA CH)PEBAS
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l fjG 1 ll.1 16:' 1 GI) 158 15.1 1
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Table 2.8. Characteristics of Under
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FIG. 3.2 NOISE SPECTRA IN SHALLOW W
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Adapted From K.H. Jacob (1986) Cali
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FIG. 3.8 ESTIMATED OVERALL SOUND LE
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FIG. 3. Q UNDERWATER NOISE SPECTRA
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FIG- 3.1 1 STATISTICAL ANALYSIS OF
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FIG- 3-12 STATISTICAL ANALYSIS OF C
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-- Alr Gun Array + Vlbrosels -* Ice
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FIG. 3.14 REPRESENTATIVE SHIPS AND
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~ -- -- FIG. 3.1 7 REPRESENTATIVE R
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FIG. 3-18 REPRESENTATIVE CULTURAL S
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FIG. 4.1 CORRECTION TO 300 M REFERE
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A. 6. ~la~onca 011shwe. mm I C. MSI
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FIG. 4.1 1 AIR TO SHALLOW WATER SOU
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