A Marine Educator At Sea

Sea Grant's Bill Hanshumaker chronicles ocean research missions

A Marine Educator At Sea

Entries Tagged as 'CTD'

CTD Cast

October 17th, 2011 · 2 Comments · 2011 - R/V Wecoma, 2011 Crew, CTD, Procedures

CTD stands for conductivity, temperature and depth. These terms refer to the changing seawater characteristics that the CTD array encounters as it descends. It electrically sends continuous measurements back to the ship. Conductivity is an electrical measurement of salinity. The salinity varies near the surface, but is a reliable 34 to 35 parts per thousand […]

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