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Chatham Islands

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NASA Spots a Ring of Blooms Around the Chatham Islands
science11 hours ago

NASA Spots a Ring of Blooms Around the Chatham Islands

NASA's VIIRS satellite captured a ring-shaped phytoplankton bloom around the Chatham Islands, where nutrient-rich upwelling from the Chatham Rise and the clash of cold Antarctic and warmer subtropical waters fuel rapid algae growth. The vivid greens and blues reveal a seasonal, highly productive marine ecosystem that supports fisheries and marine mammals, though the area is also known for mass strandings tied to its complex oceanography.

Satellite View Captures Ring of Phytoplankton Around Chatham Islands
science2 days ago

Satellite View Captures Ring of Phytoplankton Around Chatham Islands

NASA's Earth Observatory captured a vibrant ring of phytoplankton encircling the remote Chatham Islands in January 2026, observed by the VIIRS instrument on NOAA-20. The bloom forms where cold, nutrient-rich Antarctic waters meet warmer subtropical waters around the Chatham Rise, supporting local fisheries and marine life, though the region is also known for whale and dolphin strandings.