Fig. 4: Relations of salinity and potential density changes in the bottom layer of the Terra Nova Bay polynya to the Southern Annular Mode (SAM).
From: Evidence for large-scale climate forcing of dense shelf water variability in the Ross Sea

a–g Time series of daily-mean bottom (~1050 m) salinity obtained from Mooring D in the Terra Nova Bay from March to December between 2008–2014. The years are arranged in the order of increasing austral-winter SAM index labeled in the lower right corner of each panel. h Changes in bottom salinity (\(\Delta S\)) and bottom potential density (\(\Delta \sigma\)) from mid-July to mid-October in each year between 2008–2014. The years are arranged in the order of increasing austral-winter SAM index.