Analysis and Ranking of the Acoustic Disturbance Potential of ...
Analysis and Ranking of the Acoustic Disturbance Potential of ...
Analysis and Ranking of the Acoustic Disturbance Potential of ...
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Report No. 6945<br />
BBN Systems <strong>and</strong> Technologies Corporation<br />
TABLE 5.9A<br />
STANOARDIZEO NOISE COWTRlWTlOW WEL, North Aleutin Pluning Area, Neutral Gradient Condition<br />
Ref. areas used in nodel (W2): Total overall, 149000 ; Cwstal (c), 3600 ; fishing (f), 34400 ; Airports (a), 78<br />
Ref. ~mge, 300 n; wx. Effutivc Rngc; ship, aircraft (h)- 23 0.9<br />
(a - atilrted) Ref. 300 n Mov.Srce.Corr. FLUE. Equiv. Encntr. Exp. SNC Ratings<br />
Source (area) Type Sped Oclinnt BU, Hz h x 1/3 OCt,HZ<br />
(kts) fnin f u Ls1.d) freq. L.2.d)<br />
Tq/Barge (c) mvng H) 100 12500 171 630 162<br />
Area TravTirr<br />
Cn,d) Tt/Tr<br />
Corr.<br />
Tf/Tr<br />
Level<br />
Leq.dB<br />
Prob. Mu. 0.Bnd Mx 113<br />
Pe N U1C1,d)UlCZ<br />
13' ma1.r (c) 20 630 8000 159 4000 153<br />
Trwler (f) mvng 5 40 1000 157 100 147<br />
Trwler (f) mvng 10 40 4000 169 160 158<br />
Orillship fixed 20 800 174 65 167<br />
Drdge CAP.) fixed 50 650 185 160 178<br />
Seismic Array mvng 5 20 160 216 50 210<br />
(300 n)<br />
0. 737-200 (a) mvng 400 100 800 135 125 130<br />
TABLE 5.913<br />
STANOAROIZEO EXPOSURE RATING WEL, North Aleutiur Basin, Neutral Gradient Condi t iona<br />
Source Informtion frcl SNC Modd, Ref. Rng. - 300 1 * e - rtiwted valu (c) - ewstal area source<br />
SOURCE<br />
Ominant BY,<br />
Fa1 Fah<br />
Tuin 0utdrv.(c) 40 16000<br />
Tuin Wtdrv.(c) 40 16000<br />
. Tuin 0utdrv.(c) 40 16000<br />
Seiuic Array 20 160<br />
Seismic Array 20 160<br />
Seiuic Array 20 160<br />
Ti~g/Ofirge (c) 100 12500<br />
liJg/Barge (c) 100 12500<br />
TwBarge (c) 100 12500<br />
Max 1/3 Qct<br />
rs,nz Lr2.d)<br />
500 111<br />
500 111<br />
500 111<br />
50 165<br />
50 165<br />
50 165<br />
630 117<br />
630 117<br />
630 117<br />
NO. SNCl<br />
M d)<br />
e<br />
5 98<br />
e<br />
5 98<br />
l<br />
5 90<br />
l<br />
1 9 0<br />
e<br />
1 9 0<br />
e<br />
1 9 0<br />
e<br />
2 90<br />
e<br />
2 98<br />
e<br />
2 90<br />
RECEIVER<br />
0s Hearing BU, kHz<br />
Spocir N/W2<br />
e<br />
Frl Frh Fr<br />
Harborseal 0.02<br />
e<br />
Harbor Porp. 0.02<br />
(1) l<br />
ste1.s.a Lion 0.22<br />
l<br />
Harbor Seal 0.02<br />
e<br />
Harbor Porp. 0.02<br />
(1) e<br />
ttel.Sea Lion 0.22<br />
l<br />
Harbor Seal 0.02<br />
e<br />
Harbor Porp. 0.02<br />
(1) l<br />
Stel.Sea Lion 0.22<br />
EER, dB SER-<br />
Ref. Area WC1<br />
l e e<br />
151 134 36<br />
l l l<br />
1TI 160 62<br />
e e e<br />
143 136 30<br />
t e e<br />
177 160 62<br />
l e e<br />
166 171 73<br />
e e e<br />
1R 165 67<br />
e e e<br />
1% 137 39<br />
Note (1): Hearing characteristic for California sea lion used for Steller sea lion.
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