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The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit commerce.gov. 

For the latest forecasts and critical weather information, visit weather.gov.

Human sources of nutrient pollution are promoting growth of algae

five year averaged maps showing consequence of eutrophication on biogeochemical processes of nitrogen uptake, respiration, and remineralization of organic matter.

An NCCOS-funded study found that human sources of nutrient pollution are promoting growth of algae in the Southern California Bight that is predicted to result in a large area (~30% of the Bight) of lowered subsurface oxygen and pH. https://coastalscience.noaa.gov/news/coastal-eddies-promote-large-scale-algal-response-to-urban-eutrophication/