Photo of the Week

We are excited to bring back our Photo of the Week section so stay tuned for new content coming soon! In the meantime, take a look at these fantastic pictures from our teachers.

Taking the Ocean’s Temperature

May 17, 2021

A CTD (Conductivity, Temperature, and Depth probe) is lowered over the side of the ship long enough to fill sample bottles and then is brought back on board.

Photo: Catherine Fuller

Day one at sea was a warm up for many teams. Per the usual, the first station’s testing went slowly as participants learned the procedures. We deployed the CTD (conductivity, temperature and depth) at the second station. A CTD is a metal framework that carries various instruments and sampling bottles called Niskin bottles. The one we sent on June 28 had 24 plastic bottles that were “fired” at specific depths to capture water samples. These samples are shared by a number of teams to test for things like dissolved oxygen gas, and nutrients such as nitrate, nitrites, phosphate and silicate, and dissolved inorganic carbon.

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