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

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Report No. 6945 BBN Systems and Technology Corporation Table A.3. Representative Aircraft Reference Level Spectra 1/3 Octave Spectra, dB re 1 vPa, Range 300 m, 15 deg C, 70% Rel. Hwn. DHC-6 Lt 1-eng. 1/3 Oct. F-4C B727 C130 B737-200 Twin Otter Prop. Hz ( Afterbrn) (Takeoff) (Takeoff) (Takeoff) (80% crs) (Takeoff) Ref. BBN Archives
Report No. 6945 BBN Systems and Technology Corporation Table A.4. Helicopter Radiated Noise Spectra 1 /3 Octave Spectra, dB re 1 vPa, 300 m alt . , 20 deg C, 70 Rel. Hum. 1/3 Oct. Bell 206B Hz ( OH-58 ) Bell 205 (UH-1H) Sikorsky Bell 222 Cruise Loaded Approach (S61) Takeoff Approach 105.0 107.0 106.0 105.0 105.0 102.0 104.0 101 .o 102.0 101 .o 98.0 96.0 88.0 go. 0 87.0 84.0 82.0 80.0 76.0 73.0 . 70.0 66.0 57.0 38.0 107.0 108.0 107.0 106.0 106.0 101 .o 102.0 101 .o 100.0 99.0 97.0 95.0 87.0 go. 0 86.0 82.0 79.0 77.0 74.0 71 .O 68.0 65.0 57.0 46.0 92.0 102.0 88.0 95.0 91 .O 94.0 97.0 go. 0 92.0 95.0 91 .O go. 0 90.0 89.0 88.0 87.0 86.0 85.0 84.0 83.0 80.0 74.0 73.0 69.0 63.0 55.0 go. 0 93.0 83.5 83.0 96.0 88.0 96.0 go. 0 91 .o 89.5 89.0 88.0 87.0 85.5 84.5 83.0 81 .O 78.5 76.0 71 .O 69.0 63.0 55.0 Ref. BBN Archives
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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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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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FIG. 4.1 1 AIR TO SHALLOW WATER SOU
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