Guest post by Megan Sørensen

It’s 5am and for the scientists on the early shift it’s time for their day to begin. This includes the scientists who are recording the whales and dolphins they see. They spend the day standing outside on the top deck with their binoculars, cameras and warm layers. Also up at this time are the scientists who have to keep an eye on the overall survey measurements, this means checking a screen that displays everything that the ship passes over and reads all the way to the sea floor, which is over 3km down!

A couple of hours later it’s breakfast, and the scientists on ‘normal’ days are also up and about. These scientists might be running their own experiments in the labs using samples that we’ve already collected. Someone might be on the microscope identifying some of the tiny organisms that live in the sea, and there are probably some people studying krill in the cold lab (set to 2°c so you need all your layers on if you’re working in here).

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Then it’s lunch time and the ship starts to get busy as the people from yesterday’s night shift are now awake too. Meal times are important and sometimes they are the only time when everyone comes together. It’s also nice because the crew, scientists, and engineers all sit together. The ship crew keep the entire ship running – from steering the ship, looking after the engines and cooking – and nothing could be done without them.

In the late afternoon we see the change over from the day to night shift in the main lab. The people who started early are now finishing, while the night shift has only just got started. For the engineers and scientists on the night shift their main job is using the different types of nets to take samples from the ocean. We do this to monitor how the different species change year to year, and whether this is impacted by variation in the environment or changes in fishing laws. The samples we take are only small and can only take small creatures – mostly krill, jellyfish, and some small fish. The night shift can last till 3 or 4 am and requires a lot of coffee to see it through.

After that the ship is quiet for an hour or two before the early morning shift starts and it all begins all over again.

Megan Sørensen is a PhD student at the University of Sheffield, studying as part of the BBSRC White Rose DTP Program. For more information on her work, please contact @MESSorensen on twitter