Digital Library Search
![Chief Boatswain Joe Dimartino instructing winch operators during CTD operations theb2845.jpg Chief Boatswain Joe Dimartino instructing winch operators during CTD operations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2845.jpg?itok=qH71BVOX)
Description
Chief Boatswain Joe Dimartino instructing winch operators during CTD operations.CTD - Conductivity, Temperature, Depth measurements.MT. MITCHELL CTD's used to determine ocean sound velocity structure.Sound velocity information used to correct soundings.In support of bathymetric mapping operations (Image credit: Personnel of NOAA Ship MT. MITCHELL 1991)