Physical Oceanography. Unit II. Physical Oceanography. Physical oceanography is the study of the properties of seawater. There are 4 main topics: Temperature Salinity Density Pressure. Temperature.
It is launched from a ship. It records temperature as it falls and depth (by measuring density).
2. m).Niskin Bottles
3. temperature.Infra-red Photography
4. Stationary and Drifting Buoys