The overall project implements an integrated observational program of oceanographic measurements across Davis Strait, from the Baffin Island slope to the West Greeenland shelf, matching on-going collections at Bering Strait, Utqiagvik, Alaska, and Fram Strait to extend the time series of concurrent measurements across the major Arctic Gateways. The extended timeseries will be combined with numerical modeling to analyze several important science questions. The system relies on a combination of subsurface ocean moorings and biennial ship-based sampling. The full suite of observations represents an integrated approach that will provide context for the measurements and enable us to understand the dynamics driving observed variability in climate and ecosystems. Principal investigators and collaborators include scientists from University of Washington (Seattle, USA), Bedford Institute of Oceanography (Halifax, Canada), University of Colorado (Boulder, USA), University of Alberta (Alberta, Canada), Greenland Institute for Natural Resources (Nuuk, Greenland) and Danish Technical University (Copenhagen, Denmark).
The program will involve field operations (ship visits) in the fall (September or October) every two years, beginning in 2020. The component in Nunavut consists of two moorings deployed offshore Cape Dyer on the Baffin slope, at 100m and 150m depths. These moorings will collect data for two years, be serviced in 2022 and then collect data for another two years. During each service visit, a CTD station will be conducted to collect high resolution profiles of salinity and temperature and water samples for later chemical analysis. In addition to the main section across the strait, CTD stations are organized into lines north and south to observe variability and transformation along the strait. Along the line to the north, eight stations are in Nunavut. To the south, one station is in Nunavut.
No landings or port calls will be made in Nunavut. Any emergency services will be routed via Greenland.