Ocean acidification could reach unprecedented levels
Acidification of the oceans is expected to reach the level unseen in the past 14 million years, in a scenario where carbon dioxide (CO2) is still common [OceanacidificationoccurswhenCO2fromtheatmosphereisabsorbedbyseawaterresultinginmoreacidicwaterwithalowerpHaccordingtoUniversityofCardiffresearchersintheUK
The rapid influx of CO2 into the oceans English: […] threatened marine life, whereby the shells of some animals already dissolve in the oxygen – rich sea water.
About one-third of the CO2 released from the burning of coal, oil and gas is released into the oceans
In the industrial age, the ocean has absorbed about 525 billion tonnes of CO2, or about 22 million tonnes per day researchers.
In the study, the researchers have tried to reconstruct the acidity of the ocean and the atmospheric CO2. It has been observed in the last 22 million years.
They explored the fossils of tiny marine creatures that once lived near the surface of the ocean, and in particular, used the chemistry of their shells to monitor the acidity of the seawater in which the creatures lived.
Based on this information, the researchers were able to compile their new record of pH (acidity) and CO2 content.PTI