(photo: H. Hawk)
Recent MLML graduate and Drop-In contributor Amanda Kahn poses next to an instrument called a CTD on the deck of the Research Vessel Point Sur. “CTD” stands for Conductivity (or salinity), Temperature and Depth – all properties that the nifty gizmo can record as it’s lowered and raised through the water. The black cylinders are called niskin bottles, and they can be opened and closed to collect a sample of seawater at specific depths. Niskin bottles and other oceanographic equipment snag the spotlight in the mother of all marine science music parodies, “Cruise Cruise Baby” – check it out!
Tags: boats, oceanography, science equipment
April 19, 2011 at 8:25 am |
[...] the ocean. The bottles are arranged in a carousel on a CTD instrument like the one shown below (and modeled here). Scientists lower the instrument to the depth of interest in the ocean, then send down a [...]