Fig. 2: Potential temperature and salinity from conductivity, temperature and depth (CTD) stations in Sherard Osborn and Petermann fjords as well as from the Lincoln Sea and Nares Strait, just outside respective fjords.
From: Ryder Glacier in northwest Greenland is shielded from warm Atlantic water by a bathymetric sill
a, b Potential temperature and salinity in the outer Sherard Osborn Fjord (red) and behind the inner sill (black), referred to as the inner fjord. Profiles from the Lincoln Sea located outside the outer sill of Sherard Osborn Fjord are shown in blue. c, d Potential temperature and salinity in Petermann Fjord (red) and Nares Strait (blue). The near-surface temperature minimum, at around 50 m in the fjords, represents water formed by seasonal sea-ice growth. Water of Atlantic origin is seen in both fjords from about 350 m water depth where temperatures are >0.3 °C and salinities are >34.7. The temperature does not exceed 0.2 °C inside the inner sill in Sherard Osborn Fjord a and the salinity is also lower b.
