Great Lakes Environmental Research Laboratory

The Great Lakes Environmental Research Laboratory (GLERL) is a laboratory in the National Oceanic and Atmospheric Administration (NOAA) Office of Oceanic and Atmospheric Research (OAR). It is headquartered in Ann Arbor, Michigan, with a subsidiary field station in Muskegon, Michigan.

GLERL is a multidisciplinary environmental research laboratory that provides scientific understanding to inform the use and management of Great Lakes and coastal marine environments. It is one of seven NOAA Research Laboratories (RLs).