Chemical Sensors Group
Apex profiling float
The ISUS nitrate sensor is integrated into the body of a Webb Research Apex profiling float that is of the type used in the Argo array.
Chemical data
Nitrate, phosphate, silicate, and other chemicals act as “fertilizer” for phytoplankton. Research teams have developed and deployed instruments to measure concentrations of various chemicals in seawater to address scientific questions about ocean chemistry.