View and Download

Using the GLARS Data Viewer

Read the instructions below to view and download Great Lakes Basin geospatial products produced by GLARS.

Metadata for these products is available via two methods:

1.) Clicking the respective product name on the “Data List” webpage this site, or

2.) Clicking the contacts card icon for the specific data layer when inside the GLARS Data Viewer.

To understand the formats and underlying values of specific data types, a dedicated page of descriptions is available by clicking this link.

Important Data Access and Download Instructions 

  • Please note that to access and download data, we ask that you use this link to get login information. The information you provide allows us to show how this data is being used and shape future development.
  • Data available on this website has a variety of acknowledgement requirements when used in published materials, web pages, and media interviews. Please be sure to read and understand those requirements as described at this link.
  • To explore and download data:
    • Choose an Index file and zoom to your area of interest.
    • Pick “Identify” from main menu, click on map, and hit “Go”
    • From list of results, you can Zoom to Extent, Show on Map, or Download. With “Show on Map” you can preview the contents on your current map (turn off Index and switch Basemap if needed). Go to the “Visible” tab to turn off a Show on Map layer.
    • Click the Download icon to choose and download a file. If you want to download files in bulk, see Instructions below.
  • If needed, expanded download instructions are available at the link below.

Detailed Download Instructions

If you are using the system for the first time, USE THIS LINK to get login information.

DO NOT USE the “New user? Register” link found on the SharedGeo “Sign in to your account” feature which will open when clicking the button below!

After obtaining your login information via email, return to this page and use the button below to login.

Go to the GLARS Data Viewer

Acknowledgement Policy

Official documentation for citing and acknowledging GLARS product support.

Read It