Emerald Swirls of Algae in Lake Winnipeg

An influx of nutrients in recent decades has contributed to the proliferation of algae in the large Canadian lake.

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NASA Earth Observatory images by Wanmei Liang, using Landsat data from the U.S. Geological Survey. Story by Emily Cassidy.

Published October 5, 2023
Data acquired September 25, 2023

Source:

Landsat 9 > OLI-2