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Quick Release

Kris Newhall rigs a quick-release hook used by the crane aboard R/V Knorr to lift the surface buoy of a global surface mooring over the side. The mooring was deployed to the Irminger Sea southeast of Greenland as part of the global scale node of the Ocean Observatories Initiative. Over the next year, it will support sensors that measure air-sea fluxes of heat, moisture and momentum, as well as physical, biological and chemical properties throughout the water column and geophysical observations of the seafloor. (Photo by Allison Heater, Woods Hole Oceanographic Institution)