Our map will be the first comprehensive wetland delineation of the binational coastal Great Lakes, and will include adjacent land use and at least two invasive plant species: Typha spp. and Phragmites ...

As executive director of the Great Lakes Observing System, she’s leading a campaign to map every meter of the lakes’ bottom.

Data, maps, and reports are available at the lake-level (Great Lakes), for each state, and for the five-state region as a whole by clicking on the links below: Brief reports that summarize, analyze, ...

As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom.

After nearly a week of freezing temperatures — below zero on several days — the Great Lakes are seeing significant ice ...

The dip of Arctic air into the Midwest expanded ice coverage across all 5 Great Lakes, some seeing greater increases than ...

Lake effect snow is dependent on the Great Lakes water temperature and how much of the lake is frozen. But what does the current ice concentration look like and ...

Ice growth on the Great Lakes requires long spells of subfreezing temperatures like we’ve seen of late. The shallower lakes—Erie and Huron—are the first to build significant surface ice, with the ...