Reactive Oxygen Species from Space

What is it about?

Satellite data of ocean color are used with fundamental information about photochemical reaction efficiency to calculate the contribution of sunlight driven reactions to the production of reactive oxygen species (ROS) in the ocean. Hydrogen peroxide and superoxide are estimated for the global ocean. Uusing chemical reaction mechanisms, the impact of ocean acidification and rising temperature from climate change can be explored.

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Why is it important?

For the very first time, ocean color is used to estimate the photo-production rates of reactive oxygen species (ROS) over the global ocean. ROS take part in fundamental chemical reactions in the surface ocean that in turn control ecosystem function, metal and carbon cycles in the ocean.