Great Lakes Now

Lake Huron Sinkholes

Clip: Season 1 Episode 10 | 7m 32s | Video has closed captioning.

In 2001, mysterious sinkholes were discovered in northern Lake Huron. They’ve attracted researchers from around the world. Over millennia, groundwater can dissolve limestone. That’s how many caves are formed, and that’s the process that gave rise to these sinkholes. But how much water comes through the sinkholes? What role do they play in determining how lake levels rise and fall?

Aired: 01/27/20

Rating: NR

Problems Playing Video? | Closed Captioning

Great Lakes Now is a local public television program presented by DPTV.