PolarTREC teacher Chantelle Rose wrote a guest column for the The Urbana Daily Citizen. This is the first in a series of guest columns planned to cover the local teacher's trip to the Arctic.
CTD Data plots from the Winter Sampling Expedition. CTD is an acronym for Conductivity-Temperature-Depth. It is a device that measures the salinity, temperature, depth in a vertical profile from the surface. The data comes from the Chukchi Sea.