Pictured above: Measuring a “dead zone.” Scientists retrieve the CTD (conductivity, temperature, depth) package of ocean sensors after profiling dissolved oxygen at a station during the Shelfwide Hypoxia Cruise in the Gulf of America. (Image credit: Courtesy of Cassandra Glaspie/LSU) NOAA-supported scientists announced during early August 2026 that this year’s Gulf of America hypoxic zone is approximately 1,332 square miles, making it the 2n…
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