What Will Happen If Ocean Acidification Continues
The ocean would continue to soak up more and more carbon dioxide until global warming heated the ocean enough to slow down ocean circulation.
What will happen if ocean acidification continues. Ocean acidification is the ongoing decrease in the ph of the earth s oceans caused by the uptake of carbon dioxide co 2 from the atmosphere. The ocean plays a starring role in whatever happens with the environment. Anthropogenic ocean acidification over the twenty first century and its impact on. This top layer is now getting warmer at a rate of 0 2 f per decade.
Here we review the research showing impacts of global change stressors on the doc cycling specifically. And increased acidification as the ocean absorbs. The average depth of the ocean is about 2 7 miles. Why we must act now to reduce greenhouse gas emissions.
The ocean contains about 97 of all the water on earth. West coast acidification has already damaged shellfish populations thinning their shells and messing with their offspring s ability to mature. Seawater is slightly basic meaning ph 7 and ocean acidification involves a shift towards ph neutral conditions rather than a transition to acidic conditions ph 7. A wave of plastic straw bans swept the world in 2018 but experts say it will take much more to slow plastic waste filling oceans and fouling the food chain.
Bleached branching coral foreground and normal branching coral background in the keppel islands great barrier reef. However those same carbonate ions are what shell building animals like coral need to create calcium carbonate shells. Doc is at the interface between the chemical and the biological worlds it fuels marine food webs and is a major component of the earth s carbon system. Global temperatures will increase by another 0 5 c as the earth continues to react.
Water trapped at the surface would become saturated at which point the ocean would slow its carbon uptake. An estimated 30 40 of the carbon dioxide from human activity released into. Oceans are expected to continue getting warmer both in the top layer and in deeper waters. Ocean warming acidification and more intense storms will cause coral reefs to decline by 70 to 90 percent at 1 5 degrees celsius warming becoming all but non existent at 2 degrees warming.
The marine dissolved organic carbon doc pool is an important player in the functioning of marine ecosystems. In other coastal regions particularly along the u s. But our world is a water world. The ocean covers 70 of earth s surface.
Ocean warming and. Ocean acidification affects marine organisms in two ways. The change is most obvious in the top layer of the ocean which has grown much warmer since the late 1800s.
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