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Calibration of a Vadose Zone Crop Model to Accurately Simulate Groundwater Nitrate Heterogeneity and Leaching Response to an Agricultural BMP.
THE FOOD-WATER-ECOSYSTEM NEXUS: NONPOINT SOURCE POLLUTION DYNAMICS, IMPACTS, AND MANAGEMENT IN GROUNDWATER AND VADOSE ZONE SYSTEMS POSTER
hydrology | 11 december 2024
Spencer Jordan, Felix Ogunmokun, Thomas Harter
Nitrate contamination in groundwater, driven by inefficient fertilizer application and low nitrogen use efficiency (NUE), poses a significant risk to ...
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Assessing the effect of irrigation and fertilization practices on nonpoint source nitrate leaching into groundwater
ADVANCEMENTS IN THE FATE, TRANSPORT, TRANSFORMATION, AND REMEDIATION OF CONTAMINANTS IN THE ENVIRONMENT IV ORAL
hydrology | 11 december 2024
Felix Ogunmokun, Spencer Jordan, Patrick H. Brown,...
Nitrate contamination of groundwater from agricultural activities poses a significant threat to drinking water quality, particularly in arid and semi-...
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Groundwater and Sustainable Agricultural Systems under a Changing Climate in the Southwest US
WATER SCARCITY AND WATER SECURITY IN A CHANGING WORLD I ORAL
global environmental change | 13 december 2023
Isaya Kisekka, Charles Hillyer, David Zilberman, F...
The greatest threat to the sustainability of irrigated agriculture in the U.S. is drought due to climate change, which has resulted in groundwater ove...
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Delineating the Wetting Front in an Almond Orchard by Sparse Norm Regularized Electrical Resistivity Tomography Inversion
ADVANCES IN NEAR-SURFACE APPLICATION OF ELECTRICAL GEOPHYSICAL METHODS III POSTER
near surface geophysics | 12 december 2023
Xinyan Li, Mauricio D. Arboleda Zapata, Gordon K. ...
Time-lapse electrical resistivity tomography (ERT) has been used frequently to image and monitor groundwater processes. Typically, conventional smooth...
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Quantifying Uncertainty in Evapotranspiration and Irrigation Estimates Using a Non-point Source Agricultural Contaminant Transport Model and a Densely Instrumented Almond Orchard in the Central Valley, CA.
THE FOOD-WATER LINK AND NONPOINT SOURCE FLUX IMPACT ON GROUNDWATER, VADOSE ZONE, AND SURFACE WATER QUALITY POSTER
hydrology | 11 december 2023
Spencer Jordan, Hanni Haynes, Will Lennon, Christi...
Quantifying evapotranspiration (ET) is essential to accurately calculate water balances in arid climates. Small changes in ET can imply significant ch...
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Assessing The Effectiveness of Winter Flooding in Leaching Boron out of the Root Zone of Almond Orchards
THE FOOD-WATER LINK AND NONPOINT SOURCE FLUX IMPACT ON GROUNDWATER, VADOSE ZONE, AND SURFACE WATER QUALITY POSTER
hydrology | 11 december 2023
Felix Ogunmokun, Gordon K. Osterman, Floyid Nicola...
Boron (B) is an essential micronutrient for plant growth, but at high concentrations in soil, it can be toxic to plants. While B exists in various for...
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Assessing Soil Nitrate Sensing Protocols Based on Electrochemical and Optical Sensors
THE FOOD-WATER LINK AND NONPOINT SOURCE FLUX IMPACT ON GROUNDWATER, VADOSE ZONE, AND SURFACE WATER QUALITY POSTER
hydrology | 11 december 2023
Cassandra Bonfil, Felix Ogunmokun, Helen E. Dahlke...
Nitrate (NO3-) serves as the primary nitrogen source for plants and plays a crucial role in protein synthesis. However, in irrigated cropping systems,...
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Evaluating the Performance of a Deep Vadose Zone Monitoring System using Bromide as Tracer
THE FOOD-WATER LINK AND NONPOINT SOURCE FLUX IMPACT ON GROUNDWATER, VADOSE ZONE, AND SURFACE WATER QUALITY POSTER
hydrology | 11 december 2023
Will Lennon, Felix Ogunmokun, Thomas Harter, iael ...
Understanding the fate and transport of nitrogen through the vadose zone is vital to reducing nitrate leaching, protecting groundwater quality, and en...
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