We are moving northwards all the time, now at 59°N. Diatoms are dominating and there is a lot of photosynthesis at the surface, which have reduced the CO2 concentration (pCO2 down to 175 µatm) and increased surface oxygen. Oxygen is, however, depleted below 80 m depth, and some of the old, stagnant water seem to have been pushed upwards by the new salt water pulse, as there are two peaks of toxic hydrogen sulfide (H2S): at the bottom and a second peak around 100 m depth.
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