Major role of particle fragmentation in regulating biological sequestration of CO 2 by the oceans
Résumé
A critical driver of the ocean carbon cycle is the downward flux of sinking organic particles, which acts to lower the atmospheric CO2 concentration. This downward flux is reduced by over 70% in the mesopelagic zone (100-1000 m), but this loss cannot be fully accounted for by current measurements. For decades, it has been hypothesized that the missing loss could be explained by the fragmentation of large aggregates into small particles, although data to test this
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