About Data Sharing


GLOS gets data from governmental, research, and private sources, and we’re always looking to grow.

Share Your Data

Is the Great Lakes Observing System the right place for your data? Let’s talk. Email us at support@glos.org.

Metadata Resources

  • GLOS employs a rigorous data review process to insure your information complies with international standards.  You can view and submit our GLOS metadata form to start the process. Assistance in filling out this form is available on our GeoNetwork Help page.
  • View our metadata catalog to preview other metadata in our repository.

Who’s already sharing data


Grand Valley State University 

Michigan Technological University Research Institute (MTU/MTRI) 

State University of New York College of Environmental Science and Forestry (SUNY-ESF)

University of Michigan Cooperative Institute for Limnology and Ecosystems Research

University of Minnesota-Duluth

University of Wisconsin-Milwaukee

Northern Michigan University (NMU)

Bowling Green State University

University of Toledo  

Ohio State University Stone Laboratory

Illinois-Indiana Sea Grant

Purdue Civil Engineering 


NOAA, Great Lakes Environmental Research Laboratory (GLERL)

Avon Lake Regional Water

City of Elyria, OH 

City of Oregon, OH

City of Toledo, OH 

Ottawa County Regional Water Treatment Plant 

Village of Marblehead, OH 



Aqua America

Quality Assurance/Quality Control for Real-Time Oceanographic Data (QARTOD) Resources