Cruise Report, RV ATAIR, Cruise 067I033-1, Bremerhaven – Thybor?n – Aberdeen, 23 Jul – 15 Aug 2024 47 The data of cruise 067I033-1 need further additional post-cruise quality control and post-pro- cessing steps to obtain a final dataset, e.g. detailed inspection and manual editing of suspi- cious measurements. Figure 7.10. The oceanic flow field at a depth of 20 m as observed with a VMADCP system during cruise 067I033-1, summer 2024. Shown data are pre-processed LTA-ADCP velocities with arrows indi- cating strength and direction of the flow. The tidal contribution to the flow field is still included. Figure 7.10 shows an example of the oceanic flow field at 20 m as observed during the entire cruise. The tidal contribution is still included. 7.4 Deployments of Surface Drifters During cruise 067I033-1, a total of eight cost-efficient surface drifters were deployed (see Fig- ure 7.11) that aimed at revealing details of the surface circulation in three different subregions of the North Sea. These three subregions of interest are as follows: ? deployment of one drifter off the island of Borkum, Germany, to study the connectivity between the conservation areas Borkum Reef Ground and Sylt Outer Reef (Fig. 7.12) ? deployment of three drifters when crossing the Baltic outflow on the way from Thybor?n at the Danish west coast towards the southern Norwegian coast (Skagerrak) (Fig. 7.13) ? deployment of the final four drifters to the east of the Orkney Islands to capture the inflow of Atlantic Water into the North Sea (Fig. 7.14)