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Archives: Portfolios

Does food web structure modify the resilience of shallow lakes to harmful algal blooms?

April 21, 2021 / ibassis / , / No Comments
Problem: Shallow lakes are the most common inland waterbody and are highly susceptible to eutrophication which often leads to frequent and severe harmful algal blooms (HABs). HABs contain toxin-producing cyanobacteria,
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Strengthening the Foundation of Agroecosystem Models for Water Research: Precision Land Surface Analysis and Machine Learning for Enhanced Soil Maps

April 21, 2021 / ibassis / / No Comments
The state of Iowa is under increasing pressure to improve agronomic efficiency while mitigating soil and water degradation. Predictive agroecosystem process models are used to target solutions for soil and
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Next-Generation Stage Measurement at Ungauged Locations using IoT

April 21, 2021 / ibassis / / No Comments
The growing availability of smart devices with advanced sensors has increased opportunities for the Internet of Things (IoT)applications in environmental monitoring. Accurate and widespread monitoring of river stage is vital
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Fate and Ecological Impacts of Pharmaceuticals in a Temperate Stream Dominated by Wastewater Effluent

October 1, 2020 / ibassis / / No Comments
The central research objective will be evaluated via two specific project objectives and associated methods: 1) Quantify changes in CEC complex mixture composition through space and time, and 2) Measure
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Development of a Comprehensive Hazard to Loss Modeling Methodology for the Residential Damage Associated with Inland Flooding from North Atlantic Tropical Cyclones

October 1, 2020 / ibassis / / No Comments
We propose to develop statistical models to describe the relation between inland flooding associated with North Atlantic tropical cyclones (TCs) and impacts (direct economic losses and insurance claims) in the
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Watershed Scale Water Cycle Dynamics in Intensively Managed Landscapes: Bridging the Knowledge Gap to Support Climate Mitigation Policies

October 1, 2020 / ibassis / / No Comments
Recent flooding in the U.S. Midwest has produced dramatic scenes of inundated farmlands and cities. Current watershed management plans to help mitigate floods call for installing Best Management Practices (BMPs),
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Relationship of Nitroso Compound Formation Potential to Drinking Source Water Quality and Organic Nitrogen Precursor Source Characteristics

October 1, 2020 / ibassis / / No Comments
Nitroso compounds are a class that includes numerous carcinogens, mutagens, and tetraogens. Until recently it was believed that the occurrence of nitroso compounds in drinking water and wastewater was due
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An Integrated Immunological-GIS Approach for Bio-monitoring of Ecological Impacts of Swine Manure Pollutants in Streams

October 1, 2020 / ibassis / / No Comments
Thirty years after enactment of the Clean Water Act, 40% of our nations rivers, lakes, and coastal waters are still considered unfit for fishing, swimming, drinking or aquatic life. At
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Predicting Sorption, Mobility, Accumulation, and Degradation Potential of Antibiotics in Iowa’s Soil/Water Environment

September 28, 2020 / ibassis / / No Comments
In this project we propose to evaluate three common farm-animal antibiotics, chlortetracycline (Aureomycin), oxytetracycline (Terramycin) and erythromycin (a macrolide) with respect to their fate in Iowa’s soil/water environment. The expected
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Modeling, GIS, and Technology Transfer in Support of TMDL Development and Implementation in Iowa

September 28, 2020 / ibassis / / No Comments
This project integrates the research base on nonpoint source pollution control and watershed modeling and Geographic Information Systems (GIS) developed at Iowa State University’s Department of Agricultural and Biosystems Engineering
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