In Situ Ultraviolet Spectrophotometer
The ISUS is a sensor used to measure concentrations of dissolved chemicals directly from their Ultraviolet Absorption Spectrum.
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Chemical Sensor Group
The Chemical Sensors project seeks to understand changing ocean chemistry because chemical composition of the ocean affects the entire food web. The group outfits floats with the ever-developing chemical sensors and uses them to keep track of changes in nitrate and pH among other variables.
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About MBARI
Research programs at the Monterey Bay Aquarium Research Institute (MBARI) encompass the entire ocean, from the surface waters to the deep seafloor, and from the coastal zone to the open sea. The need to understand the ocean in all its complexity and variability drives MBARI's research and development efforts.