Testing and Treatment of Freshwater Ballast
The world's first freshwater ballast testing facility is right here in the Duluth-Superior Harbor. Dr. Euan Reavie, Research Associate with NRRI tells...
MN Sea Grant: Catching Up With Aquatic Science
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About
Minnesota Sea Grant and KUMD Radio (103.3 FM) are at it again. During this season, Sea Grant host Judy Zomerfelt delivers university research concerning aquatic systems and coastal communities to listeners — with a splash of fun. The show aires at 7:45 AM every Wednesday morning.
Hypothermia Gives Me the Shivers
Dr. Larry Wittmer of UMD Medical School teaches us how to stay safe and keep hypothermia from sneaking up on us.
Salmon, Trout, Steelhead – How Much Is Enough?
Don Schriener, Area Supervisor of Lake Superior Fisheries Management, talks about our favorite sport fish and the challenges of managing harvestable f...
Nitrogen, Phosphorous and Algal Blooms
Dr. Robert Hecky, Biology Professor at UMD's Large Lake's Observatory discusses the phosphorous entering lakes and how it dictates the amount of algae...
The First Freshwater Robot and AUVs
LLO physics professor, Jay Austin, explains what technology can teach us about Lake Superior, after two weeks of playing with his autonomous underwate...
Freighters, Lakers, and Mid-America's Seaport
Adele Yorde of the Seaway Port Authority distinguishes freighters, lakers and salties, and discusses commodities that go through the port, as well as ...
Wetlands Role in Water Quality, Fisheries
Mike Sierszen of Duluth’s EPA lab discusses marshes, bogs, swamps – the wetlands – and why they are good for the environment.
High Tide on Lake Superior
Mike Sierszen of the EPA in Duluth explains tidal action in Lake Superior and the difference between a seiche and a tide.
Is Our Large Lake Healthy?
Dr. Norine Dobiesz of UMD’s Large Lakes Observatory defines a healthy ecosystem for a large lake like Superior as one that is most stable or that chan...
Noisy Fish, Or Can Fish Talk?
Dr. Allen Mensinger, Associate Professor in UMD’s Biology Department, fills us in on noisy fish and how some fish can talk.