Fig. 3: Temporal variability of the water properties in the Irminger Sea from hydrographic sections. | Communications Earth & Environment

Fig. 3: Temporal variability of the water properties in the Irminger Sea from hydrographic sections.

From: Subpolar gyre decadal variability explains the recent oxygenation in the Irminger Sea

Fig. 3

Variability between 1991 and 2018 of a practical salinity (psu), b potential temperature θ (∘C), c oxygen concentration (μmol kg−1), and d Apparent Oxygen Utilization AOU (μmol kg−1) computed along the hydrographic sections (OVIDE, A01E, AR07E) within the Irminger Sea (longitudes between 40∘ W and 35∘ W). The black square denotes the period covered by Argo sampling as shown in Fig. 3, and the black solid lines with dots highlight the upper and lower boundaries of the Labrador Sea Water (LSW) layer. Note that the x-axis is not evenly spaced, and that the longest gaps are marked with a blank space. The three periods (P1, P2, and P3) discussed throughout the manuscript are indicated with arrows on top of the figure.

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