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Journal of Climate
Model simulations of an idealistic "Great Salinity Anomaly" (GSA) demonstrate that variability in the sea ice export from the Arctic when concentrated to short pulses can have a large influence on the meridional heat transport and can lead to an altered overturning state. One single freshwater disturbance resulting from excess ice export, as in 1968, can disrupt the deep mixing process. The critical condition for a large oceanic response is defined by the intensity, duration, and timing of thedoi:10.1175/1520-0442(1999)012<1781:asoteo>2.0.co;2 fatcat:zc6jtenu4rgqxn4nhl5e7ux3kq