F. Basarı et al. 
10kHz 
01-SE-VIN 1 
WD=45m 100Hz 
10kHz 
01b-SE-HON AkHeL 
WD=30m 100Hz 
10kHz 
02-DK-ANH 1kHz 
WD=12m 100Hz 
10kHz 
03-DK-HRF 1kHz- 
WD = 14.9 m 100Hz 
10kHz— 
J4-DE-FN3 akHz| 
WD=21.8 m 100Hz? 
10kHz 
05-DE-ES1 kHz 
WD=32m 100Hz 
10kHz 
06-DE-FN1 1kHz | 
WD = 33.9 m 100Hz 
10kHz[" 
07-NL-TEX I1kHz 
WD=30m 100Hz 
10kHz 
J8-BE-WST 1kHz}- 
WD=21m 100Hz 
10kHz 
I9-UK-DOW 1kHz | 
WD=21m 100Hz 
10kHz ' 
10-SC-ARB 1KHz“- 
WD=48m 100Hz 
10kHz,; 
11-SC-HEL 1kHz| 
WD=50m 100Hz 
10kHz- 
12-SC-MOR 1kHzf 
WD=80m 100Hz 
10kHz 
13-NO-LOV 1kHz 
WD=258m 100Hz 
10kHz 
14-NO-NTR 1kHz 
WD=340m 100Hz 
10kHz 
15-SC-CNS Akte LE 
WD=81m 100Hz 
10kHz 
16-DK-TN1 Th. 
WD=38m 100Hz 
10kHzf 
17-DK-TN4 1kHz 
WD = 17.2 m 100H7 
10kHzfF- 
18-DK-EDA 1kHz 
WD=45m 100Hz 
Jan 2019 Apr 2019 Jul 2019 
= 
A 
'n 
AH 
 — 
(et 2019 
96 
L 
—— 
EL] 
Jan 2020 Apr 2020 
100 
TOL indB re 1 uPa 
ı}5 
Marine Pollution Bulletin 198 (2024) 115891 
Ba al 
m 
ia alte: din 
A 
al 
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nA 
— 
Jul 2020 
—L 
Oct 2020 Jan 202* 
DR 
Fig. 5. Spectrograms of one-third octave levels for all measurements from 2019 and 2020 at all 19 JOMOPANS stations; water depths (WD) are given for 
each station. 
and 14-NO-NTR) or, in the case of the 01b-SE-HON station, protected 
from wind by nearby islands. 
It is noteworthy that some stations belong to similar clusters across 
all frequency bands. As such we can identify a distinct cluster of similar 
stations in the south, comprising the heavily trafficked stations 06-DE- 
FN1, 07-NL-TEX and 08-BE-WST. The Scottish coastal stations 10-SC- 
ARB and 11-SC-HEL form a second persistent cluster. 
4.2. Correlation with wind, shipping and currents 
Spearman correlation coefficients for all stations with wind, shipping 
and currents are displayed in Fig. 9. Fig. 10 illustrates the linear scaling 
factors for wind speeds and current velocities. These factors can be used 
as a tool to estimate sound levels in areas where measurements are not 
available. They quantify the linear relationships between received sound 
pressure levels and the logarithm of wind speed and the relationship