The rosette is lowered into the water column to take water samples used to measure chlorophyll content which will help determine the productivity of the ocean waters. Image courtesy of Sanctuary Quest 2002, NOAA/OER.
The rosette is lowered into the water column to take water samples used to measure chlorophyll content which will help determine the productivity of the ocean waters. Image courtesy of Sanctuary Quest 2002, NOAA/OER.