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River Action’s river conference topics will be online

Colorful map of the western United States showing drought conditions extending through much of the region.

Does Less Air Pollution Mean Less Precipitation?

Posted on September 3rd, 2020

A NASA-funded study at IIHR explores connections between reduced air pollution due to COVID-19 and decreases in precipitation in the western United States



New study to look at Iowa Great Lakes Watershed



Atlantic hurricanes linked to weather system in East Asia

A giant swirling hurricane as seen from space, with a divot in the middle where the eye is.

Hurricanes Linked to East Asia Weather System

Posted on August 10th, 2020

With a new Atlantic hurricane season in full swing, IIHR scientists may have found a new influence on how tropical cyclones develop.

A tall tower against a blue sky

Air Quality is Essential

Posted on August 9th, 2020

Charles Stanier is classified as an essential worker for NOAA during the COVID-19 pandemic along with his research position and other work with the UI.



UI researchers use aerosol-transmission calculator to assess classroom safety

Message from the Director: July 2020

Posted on July 16th, 2020

Dear IIHR Alumni and Friends, I hope this finds you and your families in good health and good humor! Like you, we are facing the challenges presented by current circumstances day by day, keeping our priorities in mind as we navigate these difficult times. I am proud of how IIHR is weathering this crisis, and […]

A black-and-white photo of a man leaning over early fish ladder models. Fish pictured in the lower left corner of the photo

Fighting for Fish

Posted on June 29th, 2020

Floyd Nagler founded IIHR, then acted as director for 13 years. One of his most important projects was his work on the flow of the Mississippi river.



Call for Papers: Special Issue of Journal of Irrigation and Drainage Engineering

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