Ocean as Carbon Sink
The ocean is one of the Earth's most significant carbon sinks, playing a critical role in the global carbon cycle and climate regulation as it absorbs and stores large amounts of carbon dioxide (CO2) from the atmosphere.Oceans have been and are a vital buffer against the impacts of climate change.
WHAT IS A CARBON SINK?
Essentially any large-scale natural system that absorbs more carbon than it releases is considers a carbon sink.
This process, known as carbon sequestration, is critical in mitigating the effects of climate change by reducing the amount of CO2 in the atmosphere.
Natural carbon sinks absorb roughly half of the human-produced carbon emissions which are driving the climate emergency.
ARE THERE OTHER CARBON SINKS BESIDES THE OCEAN?
Yes, other major carbon sinks include forests, soil, grasslands, and certain types of vegetation which also absorb CO2 from the atmosphere through photosynthesis and store it in their biomass and root systems.
HOW MUCH IS THE OCEAN RESPONSIBLE FOR ABSORBING?
Up to now, oceans have absorbed between 25-30% of carbon emissions and about 90% of the excess heat and energy released from rising greenhouse gas emissions trapped in the Earth’s system.
WHAT AIDS THE OCEAN IN ITS ABILITY TO ABSORB CARBON?
The efficiency of the ocean as a carbon sink is influenced by various factors, including temperature, salinity, and biological productivity. Climate change and human activities, such as pollution and overfishing, can disrupt these delicate processes.
CREDIT: ACCIONA