Lake Erie, filling the top of the image, appears green, with brighter green coloration on the left. The bright green section is labelled as a Bloom. At the bottom of the image is Ohio, which consists of mostly gridded roads and green fields.

Lake Erie Blooms

Algal communities flourish in Lake Erie’s western basin each summer. Scientists are looking to new NASA technology to better track them from space. View the full story

Credits: NASA Earth Observatory/Wanmei Liang