Lake Erie Algal Bloom (IMAGE) Carnegie Institution for Science Caption An image of the algal blooms in Lake Erie taken in July 2015. Credit NASA Earth Observatory images by Joshua Stevens, using Landsat data from the US Geological Survey. Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.