• May 20, 2026 ocean biogeochemistry the role of the ocean carbo CO₃⁻ ⇌ H⁺ + CO₃²⁻ These reactions buffer pH and determine the ocean's capacity to absorb CO₂. Changes in atmospheric CO₂ levels influence these equilibria, leading to phenomena like ocean acidification. 3. Biological Pump and Carbon Fixation Phytoplankton and other marine autotrophs c By Marielle Trantow III
