02:59
Its in the Water: Measuring Salinity
Efforts to measure salinity have long been a fundamental part of chemical oceanography. At one time, this was done by simply weighing the salt. Then, for years, salinity was determined based on the concentration of chloride. Today, salinity is measu...
05:06
Deep Connections: Ocean Observation Systems
While tracers have proven immensely valuable as tools with which to monitor and analyze ocean circulation, the sheer size of the world ocean presents an enormous data-gathering challenge. Many oceanographers believe the solution lies in profiling sy...