«This indicates that future
changes in ocean acidity caused by atmospheric carbon - dioxide concentrations are largely independent of climate change.»
Montana — based Sunburst Sensors will help scientists monitor
rise in ocean acidity more widely and precisely
This would represent a 150 percent increase
in ocean acidity since the beginning of the Industrial Revolution.
Time - series and survey measurements [4 — 6] over the past 20 years have shown that surface ocean pH has reduced by 0.1 pH unit relative to pre-industrial levels, equating to a 26 % increase in ocean acidity [3].
Rising CO2 emissions, and the increasing acidity of seawater over the next century, has the potential to devastate some marine ecosystems, a food resource on which we rely, and so careful monitoring of
changes in ocean acidity is crucial.
Pauly told IPS that the recently documented
rises in ocean acidity and anoxia levels in many parts of the ocean were not part of this study but will be part of future reports.
In addition, he discussed the increase of atmospheric greenhouse gas concentrations and the consequent anthropogenic warming of the climate system, decrease in sea ice and
increase in ocean acidity.
The conclusion is that future changes
in ocean acidity will potentially impact the population size and dynamics, as well as the community structure of calcifiers, and will therefore have negative impacts on marine ecosystems»
Small Acidity Changes Spell Trouble for Shellfish For some context: Other recent research shows that even small changes
in ocean acidity can hurt shellfish growth.
«In our study, the increase
in ocean acidity and decrease in carbonate ions occurred regardless of the degree of temperature change associated with global warming,» Jain said.