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.
Volunteers help clean up the Iowa River.
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A Chilly River Clean-up

Oct. 17 marked the fourth year that staff, students, and community members have joined hands to help keep Iowa City's portion of the river beautiful.
The 2015 corn monument presides over Homecoming festivities on the UI campus.
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It’s Back! An Iowa Tradition Lives On

Engineering students at the University of Iowa have brought back a beloved tradition (with a little help from their faculty advisors) — the Iowa corn monument.
A view of the Ottumwa treatment basins.
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Safe Drinking Water for Iowans

Scientists at IIHR are working with municipal water supply operators in several Iowa cities to help bring safe and reliable supplies of drinking water to those communities.
An illustration of a pentecopterus.
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Researchers Find Giant Fossilized Sea Scorpion

IGS researchers have uncovered fossils of Pentecopterus, an ancient six-foot scorpion-like sea creature named after an ancient Greek warship. (Illustration by Patrick Lynch/Yale University)
A volunteer rolls a tire out of the Iowa River
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River Clean-ups: An IIHR Service Tradition

IIHR faculty, staff, and students continue to participate in river clean-ups like Project AWARE, which celebrated its 13th year this July on the Wapsipinicon River.
Yibing Su poses with herky.
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A Cross-Cultural Perspective on Flooding

Undergraduate researcher Yibing Su traveled halfway around the world to study water resources, right after a major flood struck her hometown of Beijing.
Keri Hornbuckle and Michele Scherer from above
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Hornbuckle, Scherer New Bently Professors

The Donald E. Bently Professorship in Engineering was established in 2002 through a donation by the University of Iowa Engineering alumnus.
One of Iowa’s constructed nutrient-reduction wetlands, which researchers hope will reduce nutrient runoff to the state’s rivers and streams, as well as the Gulf of Mexico. Photo by Adam Kiel, Iowa Soybean Association
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Wetlands Improve Iowa’s Water Quality

The Conservation Reserve Enhancement Program (CREP) develops wetlands designed to remove nitrate-nitrogen from agricultural drainage water in strategic locations.
Villarini, Teaching with IFIS on the smartboard
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Teaching How to Teach Climate Science

A recent University of Iowa STEM workshop, “Hot Topic: Climate & Iowa,” brought together teachers from across the state to address issues related to teaching about climate change.
Hands and Bottles
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Studying Arsenic in Cerro Gordo County Groundwater

Five years later, a multi-institutional research study determines the source of arsenic in Cerro Gordo County private wells.
Kelli_core- a woman sits on the ground surrounded by corn husks
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Digging for Adventure

IIHR researcher and University of Iowa alumna Kelli Parsons traveled the country before returning to the UI as a graduate student, where she studies human impact on the land through soil.
Danny Moustakidis, Turkey River Watershed. Standing in front of a river
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Destined for the Water

Danny Moustakidis plays a key role in nutrient research at the University of Iowa, studying soil phosphorus levels in the Turkey Watershed.
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.
David Cwiertny stands in front of the Burlington Street Dam on the Iowa River
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IIHR Researcher Studies Water Pollution Solutions

David Cwiertny is researching water quality and wastewater treatment.
Water rushes through the spillway of the Coralville Dam
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Villarini: Midwest Floods More Frequent

Floods are becoming increasingly more frequent over the Midwest and surrounding states, according to IIHR Assistant Research Engineer Gabriele Villarini.
Closeup of switchgrass
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Switchgrass Removes PCBs from Soil

IIHR researchers have found a type of grass that was once a staple of the American prairie can remove soil laden with PCBs.
IIHR Currents Cover from 2014-15 featuring a group of researchers standing in a river next to a water quality sensor
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IIHR Currents: Water touches everything

The new issues of IIHR Currents is on its way!