This project is sponsored by Dr. Rob Campbell, a biological oceanographer at the Prince William Sound Science Center in Cordova, Alaska. He studies the plankton and fish populations in the sound, which is the site of the infamous 1989 Exxon Valdez oil spill. The goal of this project is to design an autonomous, underwater profiler that Dr. Campbell can use to gather data on the Prince William Sound ecosystem. This vehicle will be moored to the seafloor and it will periodically ascend and descend the vertical water column above its mooring. As the profiler moves up and down, it will take environmental measurements, such as water temperature, salinity, oxygen level and nitrate concentration. The vehicle will record these measurements, as well as the time and depth at which they were taken, before eventually handing them over to Dr. Campbell so that he can use the data for his research. The profiler will also have an onboard camera that will be used to help Dr. Campbell monitor the plankton populations in the sound.