has part participates in chemical entity carbon atom sea water atmosphere ocean acidification carbonate system of ocean water 2018-11-11T00:03:08Z marine carbonate system A system which is composed of carbon-based chemical entities dissolved in or otherwise part of an ocean or sea and the atmosphere adjacent to it, undergoing constant exchange through biogeochemical cycling. envoMarine carbonate system of the sea envoEOVs To measure the state and dynamics of the ocean's carbonate system, at least two of the following qualities must be measured: Dissolved Inorganic Carbon (DIC), Total Alkalinity (TA), Partial pressure of carbon dioxide (pCO2), and pH. carbon cycling system