Table 5 Summary table of the trends observed in our data that agreed with other studies, and the percentage of regions (over the total 9 regions) for which we found trend confirmation in other studies.
Parameter name | Confirmed trends from other studies | Confirmation percentage across the regions |
|---|---|---|
Sea-surface temperature | Averagely increasing trend | 56% |
Sea-bottom temperature | Averagely increasing trend | 89% |
Net primary production | Averagely increasing trend, with local decrease in the Adriatic, Aegean, and the Black Sea | 100% |
Sea-bottom dissolved oxygen | Global decreasing trend, with decrease in 2020 in all regions | 100% |
Sea-surface salinity | Averagely decreasing trend, with increase in the Black Sea regions | 67% |
Sea-bottom salinity | Averagely decreasing trend | 56% |
Sea ice concentration | Averagely increasing trend up to 2019 and then decreasing; overall decrease in the North Sea and Black Sea regions | 100% |