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07:31 — 07:45 Station GN0018S (Bruceys Garden): 
Secchi depth, CTD profile with rosette sampler. 
W&S: Bft. 3, 200°, 1018 hPa, Ta = 16.2 °C, partly cloudy, T„= 16.1 °C, S = 34.40 
DSU. 
11:16 — 11:34 Station GN019 (Doggerbank): 
Secchi depth, CTD profile with rosette sampler and nutrients. RA: Cs-137, Sr-90, H-3. 
?y, Am, Cm. Nutrients. 
W&S: Bft. 3, 180°, 1019 hPa, Ta = 16.8 °C, partly cloudy, Tw= 16.7 °C, S = 34.50 psu 
14:57 — 15:21 Station GNO0019S: 
Secchi depth, CTD profile with rosette sampler. 
W&S: Bft. 4-5, 170°, 1018 hPa, Ta = 19.0 °C, partly cloudy, Tw= 17.5 °C, S = 34.63 
DSU. 
16:34 — 17:16 Neuston trawl for visible pollutions (ViPo 
Start: 55° 00.02’ N; 003° 19.23’ E 
=nd: 55° 00.29’ N; 003° 22.08’ E 
19:37 — 19:52 Station GN020 (east of Doggerbank): 
Slean-CTD profile with rosette sampler and nutrients. RA: Cs-137. Trace metals. 
W&S: Bft. 4-5, 180°, 1017 hPa, Ta = 16.2 °C, partly cloudy, T= 17.8 °C, S = 34.69 
PSU. 
23:29 — 23:41 Station GN021/AWZW2 (Nordschillgrund): 
CTD profile with rosette sampler and nutrients. RA: Cs-137. 
W&S: Bft. 4-5, 180°, 1016 hPa, Ta = 18.5 °C, Tw= 17.8 °C, S = 34.47 psu 
Thursday, August 17", 2017 
03:58 — 04:14 Station GNO022 (Weiße Bank): 
CTD profile with rosette sampler and nutrients. RA: Cs-137. 
W&S: Bft. 5, 180°, 1014 hPa, TA = 18.6 °C, overcast, T= 18.1 °C, S = 34.36 psu. 
07:01 — 07:16 Station GNO22A: 
Secchi depth, CTD profile with rosette sampler. RA: Cs-137. 
W&S: Bft. 4-5, 160°, 1014 hPa, Ta = 18.4 °C, overcast, Tw= 18.1 °C, S = 33.86 psu. 
09:31 — 09:45 Station GNO023: 
Secchi depth, CTD profile with rosette sampler. RA: Cs-137, Sr-90, H-3, Pu, Am, Cm 
W&S: Bft. 5, 150°, 1012 hPa, Ta = 19.3 °C, overcast, Tw= 18.5 °C, S = 32.27 psu. 
11:35 — 12:17 Station GNO024: 
Secchi depth, CTD profile with rosette sampler and nutrients. Two CTD casts 
because one bottle was not closed correctly. A first test of the HZG multi-corer was 
successful. 
W&S: Bft. 4-5, 190°, 1012 hPa, Ta = 19.1 °C, overcast, rain, Tw= 18.9 °C, S = 31.22 
DSU. 
13:15 — 13:33 Station GN025 (west of Sylt): 
CTD profile with rosette sampler. RA: Cs-137, Sr-90, H-3, Pu, Am, Cm. 
W&S: Bft. 5, 220°, 1012 hPa, Ta = 17.9 °C, overcast, rain, Tw= 19.1 °C, S = 30.48 
DSU. 
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