Extended survey of the Labrador Sea physical environment and ecosystem. Full-depth CTD and LADCP profiles; five high-resolution (1 km spacing between profiles or less) transects on the Greenland and Labrador margins and in the central part of the sea with the MVP system; extensive XBT profiling deploying about 200 of T5 and T7 XBT probes; collected phytoplankton and zooplankton samples; nutrient and dissolved gas concentration across the water column.