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Day 2

Teacher(s): 
Susanne Warburton
At 8 am, my watch started with recording the data from the computers (there have to be about 25 computers on the ship!).

At 10 am, we deployed the scanfish.  The scanfish is remotely operated.  Dave showed Dan and I how to safely release it into the water without getting hurt, or destroying the equipment.  This piece of equipment is much like the one that Mr. Jerry showed us outside during our field trip.  The scanfish on the Endeavor is bigger.  It can be controlled by a computer from inside the boat.  There are video cameras showing the scanfish's cable.  That helps the operator too.  The scanfish collects data from different depths of the ocean.  It measures conductivity which gives us the salinity levels in the water.  It measures the temperature of the water.  It also measures the chlorophyl fluorescence which measures the clarity of the water. The scanfish software records data and is saved to a computer inside the ship.  The scientists will have this data to study when they get back to their labs.

At the end of the watch, Kristina, Dan and I shared the data that was collected with the next group of scientists.  We discovered that the water temperature at the bottom of the ocean is between 3 and 5 degrees celsius colder than the water at the surface of the ocean.  We noticed that the salinity is higher deeper in the ocean.


During our 8 pm to 12 am watch, we deployed a handheld CTD (conductivity, temperature depth) tool.  This tool drops to the bottom with a long rope and is pulled up to the boat.  The equipment collects more data for the scientists.  The scientists use all the data to draw conclusions about different places in Rhode Island Sound.