Data Providers


GLOS gets data from governmental, research and private sources.

 GLOS curates data from many sources, each one an important part of the GLOS network. To learn more about data and the GLOS network contact

Share Your Data

Is the Great Lakes Observing System the right place for your data?  GLOS would like to discuss the possibility of incorporating your data into our network.  Please fill out the following inquiry form and we can start a discussion.

Learn More about Data Sharing through GLOS

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 GeoNetwork Metadata Catalog to preview other metadata in our repository.

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

 Data Providers


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 Michigan Marine Hydrodynamics Laboratory

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 and 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