Nitrate pathways, processes, and timing in an agricultural karst system: Development and application of a numerical model

A Husic, J Fox, E Adams, W Ford… - Water Resources …, 2019 - Wiley Online Library
Nitrogen (N) contamination within agricultural‐karst landscapes and aquifers is widely
reported; however, the complex hydrological pathways of karst make N fate difficult to …

Nitrate hysteresis as a tool for revealing storm‐event dynamics and improving water quality model performance

A Husic, JF Fox, E Clare, T Mahoney… - Water Resources …, 2023 - Wiley Online Library
Understanding the physics of nitrate contamination in surface and subsurface water is vital
for mitigating downstream water quality impairment. Though high frequency sensor data …

Quantification of nitrate fate in a karst conduit using stable isotopes and numerical modeling

A Husic, J Fox, E Adams, E Pollock, W Ford… - Water Research, 2020 - Elsevier
Abstract Nitrate (NO 3⁻) fate estimates in turbulent karst pathways are lacking due, in part, to
the difficulty of accessing remote subsurface environments. To address this knowledge and …

Watershed erosion modeling using the probability of sediment connectivity in a gently rolling system

DT Mahoney, JF Fox, N Al Aamery - Journal of Hydrology, 2018 - Elsevier
Sediment connectivity has been shown in recent years to explain how the watershed
configuration controls sediment transport. However, we find no studies develop a watershed …

Optimal transport for assessing nitrate source‐pathway connectivity

A Husic, J Fox, T Mahoney, M Gerlitz… - Water Resources …, 2020 - Wiley Online Library
Excessive nitrate threatens a wide range of water resources, aquatic habitats, and sensitive
infrastructure. Despite this problem, tracing a nutrient from its eventual fate back to its origin …

[HTML][HTML] Simulating hydrologic pathway contributions in fluvial and karst settings: an evaluation of conceptual, physically-based, and deep learning modeling …

A Husic, N Al-Aamery, JF Fox - Journal of Hydrology X, 2022 - Elsevier
Hydrologic models are robust tools for estimating key parameters in the management of
water resources, including water inputs, storage, and pathway fluxes. The selection of …

Improving in-stream nutrient routines in water quality models using stable isotope tracers: a review and synthesis

A Jensen, W Ford, J Fox, A Husic - Transactions of the ASABE, 2018 - elibrary.asabe.org
Water quality models serve as an economically feasible alternative to quantify fluxes of
nutrient pollution and to simulate effective mitigation strategies; however, their applicability is …

Long‐term assessment of nutrient flow pathway dynamics and in‐stream fate in a temperate karst agroecosystem watershed

WI Ford, A Husic, A Fogle, J Taraba - Hydrological Processes, 2019 - Wiley Online Library
Nutrient dynamics in karst agroecosystems remain poorly understood, in part due to limited
long‐term nested datasets that can discriminate upland and in‐stream processes. We …

Sediment transport investigation in a karst aquifer hypothesizes controls on internal versus external sediment origin and saturation impact on hysteresis

L Bettel, J Fox, A Husic, J Zhu, N Al Aamery… - Journal of …, 2022 - Elsevier
Karst springs serve as major drinking water sources for the global population, yet there
remains uncertainty regarding how contaminants like sediment are routed through karst. We …

Utilization of Tryptophan-like Fluorescence as a Proxy for E. coli Contamination in a Mixed-Land-Use Karst Basin

RT Dapkus, AE Fryar, BW Tobin, DM Byrne, SK Sarker… - Hydrology, 2023 - mdpi.com
Karst aquifers are susceptible to contamination by pathogenic microorganisms, such as
those found in human and animal waste, because the surface and subsurface drainage are …