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

Report No. 6945
BBN Systems and Technologies Corporation
TABLE 5.7A
STANOARDIZEO NOISE UYTRIBUTIOY WDEL, Norton Brin Plming Area, Neutral Grdimt Condi tim
Ref. areas used in -1 (WZ): Total overall, 118000 ; Coastal (c), 3310 ; Fishing (f), 21600 ; Airports (a), 144
Ref. Rmge, 300 n; Max. Effective Rng.; ship, aircraft (h)- 4 0.5 ,
(e - rtimted) Ref. 300 a I(ov.Srce.Corr. Fluc. Equiv. Encntr. Exp. SIC Ratings
Source Type Speed Dminbnt BU, Hz Mbx 1/3 0ct.H~ 0.Bnd Mx 1/3 Area Travlil* Corr. Level Prob. Nu. 0.Ind Mx 1/3
(kts) fmin f u La1.e frq. L.2,dB Lr1.e Lr2,dB -,dB Tt/Tr Tf/Tr 1q.a Pe Y WCl,dB SIC2
Or- (sW)(c) fixed 1 8W 172 100 167 126 123 0 1 0.8 127 3.4-04 1 92 87
e
e
Oredge (Aa) fixed 50 630 16 160 178 141 134 0 1 0.8 140 8.5E-06 1 89 82
Orillship fixed 20 8W 174 63 167 130 123 0 1 1 150 8.5E-06 1 79 R
l
SeiuicArray ammg 5 20 160 216 50 210 172 166 -9 0.43 0.005 136 1.5E-04 1 91) 92
lcabreaker local LO 6300 192 100 183 148 139 0 1 0.5 145 8.5E-06 1 94 85
TABLE 5.78
STANOARDIZEO EXPOSURE RATING WDEL. Nortm Bnin Pluming Area, Neutral Grdimt Condition
Source lnfomntim from SYC Mi, Ref. Rng. - 300 a e - rtimted value (c) - coastal area source
SOURCE Omirunt I Ilu 1/3 Ost No. SNCl RECEIVER 0s Hearing BY, kHz Sensitivity Lr3
FSL ~sh FS,HZ ~r2,d~ N a Spbcir N/WZ Frl Ffh "'Fr t.,dB Ss,& dl
4 (1) e e e e e
SbiricArray 20 160 50 166 1 98 Pbc.Ual~ 0.1 0.7 50 15 1 1 135
e
e
SeisnicArray 20 160 50 166 1 98 Ringadseal 0.10 3 50 .I6 70 76 147
e e e e l e e
Icebreaker 40 6300 100 139 1 95 Pu.bJblrua 0.85 0.7 30 15 1 1 135
e l
Icebreaker 40 6300 100 139 1 95 Ringedseal 0.10 3 50 16 70 76 1%
Wff KR, dB KRknz
Ref. Arm SIC1
l e e
20 166 165 67
e
e
O r d w (Bn)(c) 1 8W 100 123 1 92 Ringed seal 0.50 3 50 16 70 76 115
e e e e l l
Tug/Barge (c) 100 12500 630 118 1 80 PK. UIlrus 0.02 0.7 30 15 80 1 113
e l e
TugfBarpc (c) 100 12500 630 118 1 80 Ringad Seal 0.50 3 50 16 70 76 113
note (1): nearing charuteristic for California s r lion uad for Pacific walrus.