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Iowa is plagued by catastrophic natural hazards on a yearly basis, with the 2008 flood and the 2012 drought being two of the most recent extreme events affecting our state.

Soil moisture is the reservoir of water that supports agriculture. Soil moisture also affects the amount and variability of precipitation and hence the occurrence of drought. Remote sensing satellites that

2015 was a record year for the occurrence of harmful algal blooms (HABs) on Iowa lakes. HABs are a nuisance and public health issue, producing toxins that affect the safety

Nutrient enrichment is a critical issue affecting Iowa surface water bodies. The Upper Midwestern United States is heavily drained and subsurface drainage provides a direct pathway for nutrients to enter

This project completes the final three months of a two year project. Soil moisture is the reservoir of water that supports agriculture. Soil moisture also affects the amount and variability

This study applies new approaches to understand the fate of soluble pollutants in the urban environment. Soil samples collected during warm season months as part of this field study compliment

Nitrate contamination from agriculture is a major water-quality problem in Iowa and a contributor to hypoxia in the Gulf of Mexico. In Iowa’s till-dominated watersheds, previous studies on nitrate transport

Nutrient enrichment of Iowa’s water bodies is one of the most critical issues the state is currently facing. Intensive farming and heavy nutrient application in the Midwest coupled with an

Iowa’s waterways receive excessive nitrogen from agricultural lands. This project aims to identify the spatial specifics of a conservation practice that has demonstrated abilities to promote denitrification within agricultural fields,

Since 2006, the Iowa Department of Natural Resources has issued 190 advisories at state park beaches because of high levels of microcystin produced by harmful algae. Among those advisories, 142