L 
06:18 — 06:28 Station GNO019S: 
Secchi depth and Clean-CTD profile with rosette sampler for salinity. 
W&S: Bft. 5-6, 190°, 1011 hPa, Ta = 17.7 °C, partly cloudy, Ty= 17.3 °C, S = 34.67 
DSU. 
09:44 — 10:05 Station GNO020 (east of Doggerbank): 
Secchi depth and Clean-CTD profile with rosette sampler for nutrients, metals, and 
salinity. Water samples for artificial nuclides. 
W&S: Bft. 6-7, 210°, 1011 hPa, Ta = 18.6 °C, partly cloudy, Tw= 17.4 °C, S = 34.69 
DSU. 
13:40 — 13:53 Station GN021/AWZW2 (Nordschillgrund): 
Secchi depth and Clean-CTD profile with rosette sampler for nutrients, metals, and 
salinity. Water samples for artificial nuclides. 
W&S: Bft. 4-5, 170°, 1009 hPa, Ta = 20.2 °C, partly cloudy, Tw= 17.9 °C, S = 34.65 
DSU. 
18:19 — 20:14 Station GN022 (Weiße Bank): 
Secchi depth and Clean-CTD profile with rosette sampler for nutrients, metals, and 
salinity. Water samples for artificial nuclides. 
4 x 500-I-sampler for flushing and filling of two 600 liter containers with sea water low 
in nutrients. 
W&S: Bft. 3, 180°, 1008 hPa, Ta = 20.1 °C, obscured sky, Tw= 18.9 °C, S = 34.55 
PSU. 
22:50 — 23:05 Station GNO022A: 
Clean-CTD profile with rosette sampler for nutrients, metals, and salinity. Water 
samples for artificial nuclides. 
W&S: No wind data, 1008 hPa, Ta = 18.4 °C, obscured sky, Tw= 19.5 °C, S = 33.64 
PSU. 
Bottle S-ID181009 had contact to the ship’s side, thus drain cock was damaged. It was 
‘eplaced by bottle S-ID181010. 
Sunday, September 1“, 2019 
01:01 — 01:09 Station GNO023: 
Clean-CTD profile with rosette sampler for nutrients, metals, and salinity. Water 
samples for artificial nuclides. 
W&S: No wind data, 1007 hPa, Ta = 18.1 °C, obscured sky, Tw = 18.9 °C, S = 33.31 
DSU. 
03:09 — 03:20 Station GNO24: 
Clean-CTD profile with rosette sampler for nutrients, metals, and salinity. 
W&S: Bft. 3, 250°, 1007 hPa, Ta = 18.3 °C, obscured sky, Tw= 19.6 °C, S = 32.08 
DSU. 
04:49 — 05:02 Station GN025 (west of Sylt): 
Secchi depth and Clean-CTD profile with rosette sampler for nutrients, metals, and 
salinity. Water samples for artificial nuclides. 
W&S: Bft. 6, 3100°, 1007 hPa, Ta = 18.6 °C, partly cloudy, Tw= 19.9 °C, S = 31.37 
PSU. 
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