Fig. 9: Areal coverage of stratification regimes from the numerical ocean model.
Area covered by different stratification regimes within the 18,500 km2 large region 0°E–8°E, 78.5°N–79.5°N (see cyan box in Fig. 1). The meltwater regime’s definition in the model is mixed layer depth MLD < 50 m and ΔS > 1 (where ΔS is salinity difference between the surface and 100 m depth). The mixed layer regime’s definition is MLD < 50 m and ΔS < 1. The meltwater regime is shown in blue with its climatology in dark blue; it is larger in spring/summer 2017 than typical. The mixed layer regime is shown in red with its climatology in dark red; it is somewhat larger than typical in spring/summer 2018. Unstratified (MLD > 50 m) conditions make up for the rest of the areal coverage.
