Monitoring CO2 leakage sites on the ocean floor

ScienceDaily | 8/21/2019 | Staff
hi09 (Posted by) Level 3
The multinational energy company Equinor operates a CO2 capture and storage facility that injects about 1 megaton per year of the greenhouse gas into an offshore sandstone aquifer deep below Norwegian waters. Undersea storage of the gas presents less risk for humans in case of accidental leakage compared with storage on land because the vast ocean acts as a buffer for the released CO2. However, the leaked gas can dissolve in ocean water, decreasing the pH and potentially harming the local marine ecosystem. Currently, scientists lack an established method to identify and quantify multiple CO2 leaks spread across a region of the ocean floor. Therefore, Jonas Gros and colleagues investigated pH changes near natural CO2 seeps in the vicinity of Panarea, a small...
(Excerpt) Read more at: ScienceDaily
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