Map showing drought conditions in the western United States in 2020

Does Less Pollution Mean Less Precipitation?

IIHR researchers Wei Zhang and Gabriele Villarini (IIHR director) have published research linking urban sprawl to an increase in rainfall and flooding during Hurricane Harvey.
Two men stand in the water at the IIHR wave basin
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Sanada Improves Visualization for Ship Hydro

IIHR's Yugo Sanada is using reflected light to help researchers better visualize the water surface for advanced ship hydrodynamics research.
A person works on a model that appears to be a red rocket
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Aiming High by Reaching Out

The IIHR Wind Tunnel Annex welcomed a different crowd recently—the Cedar Falls High School Rocket Club, which is competing in the upcoming Team America Rocketry Challenge (TARC), the world’s largest student rocket contest.
Tim Mattes stands in front of the Iowa River
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Clues to Climate Change History

IIHR Associate Research Engineer Tim Mattes is part of a research team that has found clues to Earth's climate change history in a Chilean lake.
Basnet, living snow fence
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Knee-deep in Research

IIHR graduate research assistant Keshav Basnet is part of an Iowa Department of Transportation project to design snow fences that reduce drifting and therefore improve road conditions across the state.