L 
20:05 — 20:16 Station GN016 (Haddock Bank): 
CTD profile with rosette sampler. 
pH value, alkalinity, chlorophyll and O, at 5 m depth and about 3 m above bottom. 
Tenfold determination of pH at 5 m. 
RA: Cs-137. 
W&S: Bft. 2, 130°, 1025 hPa, Ta = 15.9 °C. obscured sky, Ty= 16.4.0 °C, S = 34.57 
pSU. 
Sample bottle with Bedford ID 184047 (position 2 of release unit) was not closed. 
Saturday, September 1%, 2018 
Lv 01:02 — 01:42 Station GN017 (east of Flamborough Head) 
CTD profile with rosette sampler. 
pH value, alkalinity, chlorophyll and O2 at 5 m depth and about 3 m above bottom. 
RA: Cs-137. 
OG: 1x100 L nonpolar, 4x10 L polar, 5 m depth. 
W&S: Bft. 3, 180°, 1025 hPa, TA = 14.7 °C, obscured sky, Tw= 14.8 °C, S = 34.52 
DSU. 
03:54 — 04:18 Station GNO17A: 
CTD profile with rosette sampler. 
RA: Cs-137, Sr-90, Pu, H-3. 
W&S: Bft. 3, 180°, 1024 hPa, Ta = 14.5 °C, fine, Tw= 13.7 °C, S = 34.42 psu. 
11:15 — 11:28 Station GNO018A: 
STD profile with rosette sampler. 
RA: Cs-137. 
W&S: Bft. 4, 160°, 1024 hPa, TA = 17.1 °C, partly cloudy, Tw= 14.4 °C, S = 34.40 
PSU. 
13:47 — 14:16 Station GN018 (Baymans Hole): 
Secchi depth, CTD profile with rosette sampler. 
pH value, alkalinity, chlorophyll and O2 at 5 m depth and about 3 m above bottom. 
RA: Cs-137, 
OG: 1x100 L nonpolar, 1x10 L polar, 5 m depth. 
W&S: Bft. 4, 170°, 1024 hPa, Ta = 11.1 °C, fine, Tw= 16.0 °C, S = 34.53 psu. 
21:02 — 21:37 Station GN019 (Doggerbank): 
CTD profile with rosette sampler (2 casts due to technical problems). 
pH value, alkalinity, chlorophyll and O, at 5 m depth and about 3 m above bottom. 
RA: Cs-137. 
OG: 1x100 L nonpolar, 1x10 L polar, 5 m depth. 
W&S: Bft. 5-6, 190°, 1026 hPa, Ta = 17.6 °C, obscured sky, Tw= 16.8 °C. S = 34.72 
DSU 
14