Videos - Fall 2024 Trends

Agricultural Phosphorus and Lake Erie
Presenter: Nathan Manning, Research Scientist, National Center for Water Quality Research, Heidelberg, University

This presentation was part of the Iowa Nutrient Research Center's Fall 2024 Seminar Series, focusing on recent trends in surface and groundwater nutrients across the US and highlighting the status of nutrients and water quality around the country, including in Nebraska, the Mississippi River, the Chesapeake Bay and Lake Erie. 

Presenter: Jimmy Webber, hydrologist, U.S. Geological Survey

Nutrient and sediment loads are changing over time in the Chesapeake Bay watershed. This presentation will describe how the USGS uses a river monitoring network to assess these water-quality trends. Recent load and trend results from this monitoring network will be presented and discussed in context with Chesapeake Bay water-quality goals.

Trends in Nutrient Loading From the Mississippi River Basin

Presenter: Lori Sprague, Hydrologist with U.S. Geological Survey in Denver, CO.

Nitrate in Nebraska 
Presenter: Troy Gilmore, associate professor and groundwater hydrologist, University of Nebraska