File name: ET-great-lakes-HAB-erie-scale.png Original Resolution: 3000 × 3000 File Size: 14590 KB (MIME Type: image/png) Date Published: March 18, 2024 Download file View image caption A harmful algal bloom across western Lake Erie on September 26, 2017. Graphic by NOAA Climate.gov, satellite imagery from Landsat-8/NOAA National Centers for Coastal Ocean Science.