| Summary: | Ocean acidification is one of the consequences of the perturbing fast rising of anthropogenic carbon in the atmosphere. As the atmospheric CO2 penetrates into the ocean via air-sea gas exchanges, it impacts the seawater chemistry, the marine ecosystems and many coastal touristic activities due mainly to the reduction of corals, and fish. The CO2 anthropogenic penetration in the ocean, which depends upon several physical and chemical seawater properties, is not uniform throughout the surface ocean. Thus, the cold Polar Regions will be affected much faster than the warm tropical regions by the penetration of anthropogenic carbon and consequently by ocean acidification. The results of thermodynamic equation show clearly the differences between various locations in the ocean both in term of spatial and temporal variations. In order to quantify risks of ocean acidification, which may have as a result the dissolution of calcium carbonates that are indispensable to maritime ecosystems shells, corals, and so on, it is possible to identify four important points. The quantification of these points by the thermodynamic equations associated with the quantification their corresponding temporal variations will be very useful for improving the current ocean acidification models. Such results could help Man to act to reduce deleterious effects of rising anthropogenic carbon in the ocean, and to find long-lasting solutions.
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