Sruise Report, RV ATAIR, Cruise 0671013-1, Bremerhaven - Skagen - Aberdeen, 19 Jul - 11 Aug 2022 |
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After completing work at stations #055/GN803 and #056/GN804, the vessel approached the
vort of Skagen in Denmark. On 31 July at 14:24 UTC, RV ATAIR was towed to Berth 41 in
order to finish Leg 1 of cruise 067/013-1. The scientific mission was then interrupted until 2
August, 05:38 UTC, when the vessel departed Skagen to begin Leg 2 of the same cruise. In
between, crew members and scientific participants were exchanged and liquid natural gas
(LNG) was supplied to power the vessel.
After leaving Skagen on 2 August, work was carried out at the two Swedish stations
#057/GN805 and #058/GN806, which are located within Swedish territorial waters. Underway
measurements were switched off while in the territorial zone, and the vessel transited from
station #057/GN805 to #058/GN806 in north-westerly direction, remaining within the Swedish
EEZ but outside the Swedish territorial limits.
After finishing work in Swedish waters, the vessel arrived at station #060/GN808 in Norwegian
waters for the second time on 3 August, to carry out another cast with the 270 L and 333 L
sapacity LVS, but without conducting any further CTD casts or other water sampling.
Starting from station #061/GN041, which was visited on 3 August 2022, the vessel headed
west in order to continue working along the 58°N section. The western end of this section,
located in UK waters, was reached at station #068/GN045A in the morning of 5 August. On
the same day, between approximately 17:00 and 19:00 UTC, the tidal stream’s flow direction
allowed the vessel to pass through the Pentland Firth to the west. Station work was resumed
at station #070/GN057A, on the northern side of the Scottish mainland, shortly after 22:00
UTC. On 6 August, the vessel reached the southernmost station in the Minch (#073/GN064)
As weather conditions worsened while in the Minch, the decision was made to cancel the orig-
inal westernmost station, GN067, in Faorese waters in order to save some time for the remain-
ing cruise programme. The westernmost station of the entire cruise 067/013-1 was thus station
#076/GN068, which was reached on 8 August. With a water depth exceeding 1000 m, this was
also the second deepest station of the cruise; the deepest station was #078/GN065 (1065 m),
Which was reached shortly afterwards.
Due to the cancellation of one station, work on the 60°N section began at its western end at
station #077/GN066 (7 August), after which the vessel continued eastwards. The southern tip
af the Shetland Islands (station #083/GN053A) was passed on 8 August, and the section was
finally complete at its eastern end off the coast of Norway on 9 August (station #088/GN051).
The final section of the cruise, located at 59°N, was sampled in westerly direction between 9
August (station #090/GN050) and 11 August (station #097/GNO046A). Another test with the
LVS carrying 333 L was conducted on station #094/GN048 on 10 August. After concluding
aperations at station #097/GNO046A shortly before 01:00 UTC on 11 August, the vessel com-
menced its transit towards the port of Aberdeen/UK.
in total, 97 stations including a test station at the start of the cruise were completed during the
zruise 067/013-1, and data from 95 CTD casts is available. Data from nine stations located in
Dutch waters, which were originally planned to be included, is not available.