James O'neil Knighton
Assistant Professor/Natural Resources and Environ
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Scholarly Contributions
68 Scholarly Contributions
Sub-Daily Variations in Tree Xylem Water Isotopic Compositions in a Temperate Northeastern US Forest
, (2025). Sub-Daily Variations in Tree Xylem Water Isotopic Compositions in a Temperate Northeastern US Forest, Hydrological Processes, vol. 39, iss. 4, e70137
Research Type: Journal Article
Red Maple Tree Root Water Uptake Depths are Influenced by Neighboring Tree Species Composition
, (2025). Red Maple Tree Root Water Uptake Depths are Influenced by Neighboring Tree Species Composition, Tree Physiology, tpaf049
Research Type: Journal Article
Evidence for variations in cryogenic extraction deuterium biases of plant xylem water across foundational northeastern US trees
Michael Hren
, (2024). Evidence for variations in cryogenic extraction deuterium biases of plant xylem water across foundational northeastern US trees, Hydrological Processes
Research Type: Journal Article
Opportunistic Short-term Compensatory Water Uptake by Subalpine Trees Observed via in situ Water Isotope Measurements
, (2024). Opportunistic Short-term Compensatory Water Uptake by Subalpine Trees Observed via in situ Water Isotope Measurements, Authorea Preprints
Research Type: Journal Article
, (2024). A global dataset of tree hydraulic and structural traits imputed from phylogenetic relationships, Scientific Data, vol. 11, iss. 1, Nature Research, 10.1038/s41597-024-04254-4
Research Type: Journal Article
, (2024). Differential flood insurance participation and housing market trajectories under future coastal flooding in the United States, Communications Earth and Environment, vol. 5, iss. 1, Nature Publishing Group, 10.1038/s43247-024-01848-z
Research Type: Journal Article
Flood Risk and Housing Market Dynamics Across CONUS Coastal Communities
, (2024). Flood Risk and Housing Market Dynamics Across CONUS Coastal Communities, CSDMS 2024 Annual Meeting
Research Type: Poster/Presentation
Characterizing the Heterogeneity of Eastern Hemlock Xylem Water Isotopic Compositions: Implications for the Design of Plant Water Uptake Studies
, (2023). Characterizing the Heterogeneity of Eastern Hemlock Xylem Water Isotopic Compositions: Implications for the Design of Plant Water Uptake Studies, Ecohydrology, Wiley
Research Type: Journal Article
How you teach changes who you reach: understanding the effect of teaching modality on student engagement, content interest, and learning in undergraduate hydrology.
, (2023). How you teach changes who you reach: understanding the effect of teaching modality on student engagement, content interest, and learning in undergraduate hydrology., Journal of Geography in Higher Education
Research Type: Journal Article
Water ages explain tradeoffs between long-term evapotranspiration and ecosystem drought resilience
, (2023). Water ages explain tradeoffs between long-term evapotranspiration and ecosystem drought resilience, Geophysical Research Letters
Research Type: Journal Article
Shallow and local or deep and regional? Inferring source groundwater characteristics across mainstem river discharge faces
, (2023). Shallow and local or deep and regional? Inferring source groundwater characteristics across mainstem river discharge faces
Research Type: Journal Article
Housing Market Dynamics of the Post-Sandy Hudson Estuary and Long Island Sound are Explained by NFIP Participation.
, (2023). Housing Market Dynamics of the Post-Sandy Hudson Estuary and Long Island Sound are Explained by NFIP Participation., Environmental Research Letters
Research Type: Journal Article
Potential Hydrologic Pathways of Deicing Salt Chloride Transport Evaluated with SWMM
, (2023). Potential Hydrologic Pathways of Deicing Salt Chloride Transport Evaluated with SWMM, Journal of Hydrologic Engineering, vol. 28, iss. 8
Research Type: Journal Article
Forecasting Hydrologic Controls on Juvenile Anadromous Fish Out-Migration with Process-Based Modeling and Machine Learning
, (2023). Forecasting Hydrologic Controls on Juvenile Anadromous Fish Out-Migration with Process-Based Modeling and Machine Learning, Journal of Environmental Management
Research Type: Journal Article
Integrating Stable Water and Bulk Carbon Isotope Compositions: Measuring Spring Onset Water-Use in Conifers
Michael Hren,
, (2023). Integrating Stable Water and Bulk Carbon Isotope Compositions: Measuring Spring Onset Water-Use in Conifers, AGU23, AGU
Research Type: Journal Article
Soil, Water & Manure: Connecting sources of antibiotic residues and resistance with environmental contamination in three small agricultural watersheds …
, (2023). Soil, Water & Manure: Connecting sources of antibiotic residues and resistance with environmental contamination in three small agricultural watersheds …, AGU Fall Meeting 2023
Research Type: Poster/Presentation
High frequency stable isotope field measurements show short term plant water uptake dynamics of Aspen and Engelmann Spruce in the Rocky Mountains
, (2023). High frequency stable isotope field measurements show short term plant water uptake dynamics of Aspen and Engelmann Spruce in the Rocky Mountains, AGU Fall Meeting 2023
Research Type: Poster/Presentation
The Temporal Impact of Flooding on the Coastal Housing Market of New York, New Jersey, and Connecticut in a Changing Climate
, (2023). The Temporal Impact of Flooding on the Coastal Housing Market of New York, New Jersey, and Connecticut in a Changing Climate, AGU Fall Meeting 2023
Research Type: Poster/Presentation
Neighboring Tree Species Composition Alters the Position of Maple Trees in the Drought Frequency Domain
, (2023). Neighboring Tree Species Composition Alters the Position of Maple Trees in the Drought Frequency Domain, AGU Fall Meeting
Research Type: Poster/Presentation
Shallow and local or deep and regional? Inferring riverbank groundwater discharge source characteristics
, (2023). Shallow and local or deep and regional? Inferring riverbank groundwater discharge source characteristics, AGU Fall Meeting 2023
Research Type: Poster/Presentation
Integrated Evapotranspiration and Stable Isotope Measurements Reveal Differences in Drought Vulnerability Across Tree Species
, (2023). Integrated Evapotranspiration and Stable Isotope Measurements Reveal Differences in Drought Vulnerability Across Tree Species, AGU Fall Meeting 2023
Research Type: Poster/Presentation
Spatial and Temporal Variation of Hydrological Risk in Rural and Urban Environmental Justice Communities
, (2022). Spatial and Temporal Variation of Hydrological Risk in Rural and Urban Environmental Justice Communities, EGU22, European Geophysical Union, https://meetingorganizer.copernicus.org/EGU22/EGU22-6241.html
Research Type: Conference Proceedings
Parameterizing Vegetation Traits with a Process‐Based Ecohydrological Model and Xylem Water Isotopic Observations
, (2022). Parameterizing Vegetation Traits with a Process‐Based Ecohydrological Model and Xylem Water Isotopic Observations, Journal of Advances in Modeling Earth Systems
Research Type: Journal Article
Exploring the Relationship Between Society and Flooding Risk with Socio-Environmental Models: Working Hypotheses for Advancing the Field
, (2022). Exploring the Relationship Between Society and Flooding Risk with Socio-Environmental Models: Working Hypotheses for Advancing the Field, Geography Colloquium at the University of Connecticut
Research Type: Poster/Presentation
Exploring the Relationship Between Society and Flooding Risk with Socio-Environmental Models: Working Hypotheses for Advancing the Field
, (2022). Exploring the Relationship Between Society and Flooding Risk with Socio-Environmental Models: Working Hypotheses for Advancing the Field, University of Illinois Georgraphy & GIS Colloquium
Research Type: Poster/Presentation
Using SWMM to Estimate Hydrologic Pathways for Chloride Transport from Deicing Salts
, (2021). Using SWMM to Estimate Hydrologic Pathways for Chloride Transport from Deicing Salts, https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/860458
Research Type: Conference Proceedings
Contrasting adaptive strategies by Caragana korshinskii and Salix psammophila in a semiarid revegetated ecosystem
, (2021). Contrasting adaptive strategies by Caragana korshinskii and Salix psammophila in a semiarid revegetated ecosystem, Agricultural and Forest Meteorology, vol. 300, pp. 108323, Elsevier
Research Type: Journal Article
The Phylogenetic Underpinnings of Groundwater Use by Trees
, (2021). The Phylogenetic Underpinnings of Groundwater Use by Trees, Geophysical Research Letters
Research Type: Journal Article
Flood risk behaviors of United States riverine metropolitan areas are driven by local hydrology and shaped by race
, (2021). Flood risk behaviors of United States riverine metropolitan areas are driven by local hydrology and shaped by race, Proceedings of the National Academy of Sciences, vol. 118, iss. 13, National Academy of Sciences
Research Type: Journal Article
Comparison of Social Vulnerability and Flood Risks in Massachusetts
, (2020). Comparison of Social Vulnerability and Flood Risks in Massachusetts
Research Type: Conference Proceedings
C-dots as a novel silica-based fluorescent nanoparticle tracer to investigate plant hydraulics
, (2020). C-dots as a novel silica-based fluorescent nanoparticle tracer to investigate plant hydraulics, pp. 12504
Research Type: Conference Proceedings
Using isotopes to incorporate tree water storage and mixing dynamics into a distributed ecohydrologic modelling framework
, (2020). Using isotopes to incorporate tree water storage and mixing dynamics into a distributed ecohydrologic modelling framework, Ecohydrology, vol. 13, iss. 3, e2201
Research Type: Journal Article
Hammond Hill Research Catchment: Supporting hydrologic investigations of rooting zone and vegetation water dynamics under climate change
, (2020). Hammond Hill Research Catchment: Supporting hydrologic investigations of rooting zone and vegetation water dynamics under climate change, Hydrological Processes, vol. 34, iss. 24, pp. 4755--4758, John Wiley \& Sons, Inc. Hoboken, USA
Research Type: Journal Article
Understanding catchment-scale forest root water uptake strategies across the continental United States through inverse ecohydrological modeling
, (2020). Understanding catchment-scale forest root water uptake strategies across the continental United States through inverse ecohydrological modeling, Geophysical Research Letters, vol. 47, iss. 1, e2019GL085937
Research Type: Journal Article
Simulation and statistical modelling approaches to investigate hydrologic regime transformations following Eastern hemlock decline
, (2020). Simulation and statistical modelling approaches to investigate hydrologic regime transformations following Eastern hemlock decline, Hydrological Processes, vol. 34, iss. 5, pp. 1198--1212, John Wiley \& Sons, Inc. Hoboken, USA
Research Type: Journal Article
Alignment of tree phenology and climate seasonality influences the runoff response to forest cover loss
, (2020). Alignment of tree phenology and climate seasonality influences the runoff response to forest cover loss, Environmental Research Letters, vol. 15, iss. 10, pp. 104051, IOP Publishing
Research Type: Journal Article
Invertebrate response to impacts of water diversion and flow regulation in high-altitude tropical streams
, (2020). Invertebrate response to impacts of water diversion and flow regulation in high-altitude tropical streams, River Research and Applications, vol. 36, iss. 2, pp. 223--233, John Wiley \& Sons, Ltd. Chichester, UK
Research Type: Journal Article
Predicting flood insurance claims with hydrologic and socioeconomic demographics via machine learning: Exploring the roles of topography, minority populations, and political dissimilarity
, (2020). Predicting flood insurance claims with hydrologic and socioeconomic demographics via machine learning: Exploring the roles of topography, minority populations, and political dissimilarity, Journal of Environmental Management, vol. 272, pp. 111051, Academic Press
Research Type: Journal Article
Interpreting Tree Xylem Isotopic Measurements in the context of Tree Water Storage and Mixing
, (2019). Interpreting Tree Xylem Isotopic Measurements in the context of Tree Water Storage and Mixing, vol. 2019, iss. 2019, H41Q--1968
Research Type: Conference Proceedings
Understanding the Influence of the Atmosphere and Land Surface Conditions on Flood Risk using Probabilistic Hydrology in the Context of Mechanistic Hydrologic Models
, (2019). Understanding the Influence of the Atmosphere and Land Surface Conditions on Flood Risk using Probabilistic Hydrology in the Context of Mechanistic Hydrologic Models
Research Type: Journal Article
Potential predictability of regional precipitation and discharge extremes using synoptic-scale climate information via machine learning: An evaluation for the eastern continental united states
, (2019). Potential predictability of regional precipitation and discharge extremes using synoptic-scale climate information via machine learning: An evaluation for the eastern continental united states, Journal of Hydrometeorology, vol. 20, iss. 5, pp. 883--900
Research Type: Journal Article
Seasonal and topographic variations in ecohydrological separation within a small, temperate, snow-influenced catchment
, (2019). Seasonal and topographic variations in ecohydrological separation within a small, temperate, snow-influenced catchment, Water Resources Research, vol. 55, iss. 8, pp. 6417--6435
Research Type: Journal Article
Comparing watershed scale P losses from manure spreading in temperate climates across mechanistic soil P models
, (2019). Comparing watershed scale P losses from manure spreading in temperate climates across mechanistic soil P models, Journal of Hydrologic Engineering, vol. 24, iss. 5, pp. 04019009, American Society of Civil Engineers
Research Type: Journal Article
Possible increases in flood frequency due to the loss of Eastern Hemlock in the Northeastern United States: Observational insights and predicted impacts
, (2019). Possible increases in flood frequency due to the loss of Eastern Hemlock in the Northeastern United States: Observational insights and predicted impacts, Water Resources Research, vol. 55, iss. 7, pp. 5342--5359
Research Type: Journal Article
The Influence of Eastern Hemlock Loss on the Flood Frequency Distribution of a Small Temperate Catchment
, (2018). The Influence of Eastern Hemlock Loss on the Flood Frequency Distribution of a Small Temperate Catchment, vol. 2018, iss. 2018, H43B--31
Research Type: Conference Proceedings
Challenges to implementing bottom-up flood risk decision analysis frameworks: how strong are social networks of flooding professionals?
, (2018). Challenges to implementing bottom-up flood risk decision analysis frameworks: how strong are social networks of flooding professionals?, Hydrology and Earth System Sciences, vol. 22, iss. 11, pp. 5657--5673, Copernicus GmbH
Research Type: Journal Article
Estimating dominant runoff modes across the conterminous United States
, (2018). Estimating dominant runoff modes across the conterminous United States, Hydrological Processes, vol. 32, iss. 26, pp. 3881--3890
Research Type: Journal Article
Large-scale Modeling of Nitrous Oxide Production: Issues of Representing Spatial Heterogeneity
, (2017). Large-scale Modeling of Nitrous Oxide Production: Issues of Representing Spatial Heterogeneity, vol. 2017, iss. 2017, B51B--1799
Research Type: Conference Proceedings
Spatial and Temporal Variability of Ecohydrologic Separation in a Snow-Dominated Watershed
, (2017). Spatial and Temporal Variability of Ecohydrologic Separation in a Snow-Dominated Watershed, vol. 2017, iss. 2017, H22A--07
Research Type: Conference Proceedings
Topographic wetness guided dairy manure applications to reduce stream nutrient loads in Central New York, USA
, (2017). Topographic wetness guided dairy manure applications to reduce stream nutrient loads in Central New York, USA, Journal of Hydrology: Regional Studies, vol. 14, pp. 67--82, Elsevier
Research Type: Journal Article
Hydrologic State Influence on Riverine Flood Discharge for a Small Temperate Watershed (Fall Creek, United States): Negative Feedbacks on the Effects of Climate Change
, (2017). Hydrologic State Influence on Riverine Flood Discharge for a Small Temperate Watershed (Fall Creek, United States): Negative Feedbacks on the Effects of Climate Change, Journal of Hydrometeorology, vol. 18, iss. 2, pp. 431--449
Research Type: Journal Article
Ecohydrologic considerations for modeling of stable water isotopes in a small intermittent watershed
, (2017). Ecohydrologic considerations for modeling of stable water isotopes in a small intermittent watershed, Hydrological processes, vol. 31, iss. 13, pp. 2438--2452
Research Type: Journal Article
A vulnerability-based, bottom-up assessment of future riverine flood risk using a modified peaks-over-threshold approach and a physically based hydrologic model
, (2017). A vulnerability-based, bottom-up assessment of future riverine flood risk using a modified peaks-over-threshold approach and a physically based hydrologic model, Water Resources Research, vol. 53, iss. 12, pp. 10043--10064
Research Type: Journal Article
Delft3D Sensitivity and Uncertainty Snalysis for Hurricane Simulations in the North Atlantic
, (2016). Delft3D Sensitivity and Uncertainty Snalysis for Hurricane Simulations in the North Atlantic
Research Type: Conference Proceedings
The Importance of Plant Growth and Unsaturated Zone Mixing for Modeling Stable Water Isotopes
, (2016). The Importance of Plant Growth and Unsaturated Zone Mixing for Modeling Stable Water Isotopes, vol. 2016, iss. 2016, H14D--02
Research Type: Conference Proceedings
Critical rainfall statistics for predicting watershed flood responses: rethinking the design storm concept
, (2016). Critical rainfall statistics for predicting watershed flood responses: rethinking the design storm concept, Hydrological processes, vol. 30, iss. 21, pp. 3788--3803
Research Type: Journal Article
Parameter sensitivity and uncertainty analysis for a storm surge and wave model
, (2016). Parameter sensitivity and uncertainty analysis for a storm surge and wave model, Natural Hazards and Earth System Sciences, vol. 16, iss. 10, pp. 2195--2210, Copernicus GmbH
Research Type: Journal Article
Stormwater detention system parameter sensitivity and uncertainty analysis using SWMM
, (2016). Stormwater detention system parameter sensitivity and uncertainty analysis using SWMM, Journal of Hydrologic Engineering, vol. 21, iss. 8, pp. 05016014, American Society of Civil Engineers
Research Type: Journal Article
Estimating the Effects of DEM Uncertainty through Two-Dimensional Spatial Stochastic Watershed Simulation
, (2015). Estimating the Effects of DEM Uncertainty through Two-Dimensional Spatial Stochastic Watershed Simulation
Research Type: Conference Proceedings
A Proposed Probabilistic Seismic Tsunami Hazard Analysis Methodology
, (2015). A Proposed Probabilistic Seismic Tsunami Hazard Analysis Methodology, Natural Hazards, Springer
Research Type: Journal Article
Development of probability distributions for urban hydrologic model parameters and a Monte Carlo analysis of model sensitivity
, (2014). Development of probability distributions for urban hydrologic model parameters and a Monte Carlo analysis of model sensitivity, Hydrological processes, vol. 28, iss. 19, pp. 5131--5139
Research Type: Journal Article
Random Walk Modeling of Adult Leuctra ferruginea (Stonefly) Dispersal
, (2014). Random Walk Modeling of Adult Leuctra ferruginea (Stonefly) Dispersal, Ecological Informatics, Elsevier
Research Type: Journal Article
Geoprocessing Tools for Surface and Basement Flooding Analysis in SWMM
, (2012). Geoprocessing Tools for Surface and Basement Flooding Analysis in SWMM
Research Type: Conference Proceedings
Seeing Green by Going Green: Maximizing Ecosystem/Community Services Benefits through Strategic Green Stormwater Infrastructure Design
, (2012). Seeing Green by Going Green: Maximizing Ecosystem/Community Services Benefits through Strategic Green Stormwater Infrastructure Design, pp. 520--530
Research Type: Conference Proceedings
, (2012). Application of groundwater modeling tools to evaluate potential impacts from stormwater infiltration in Philadelphia, 10.2175/193864712811726716
Research Type: Conference Proceedings
Application of Groundwater Modeling Tools to Evaluate Potential Impacts from Stormwater Infiltration in Philadelphia
, (2012). Application of Groundwater Modeling Tools to Evaluate Potential Impacts from Stormwater Infiltration in Philadelphia, Proceedings of the Water Environment Federation, vol. 2012, iss. 13, pp. 3041--3054, Water Environment Federation
Research Type: Journal Article
Potential Impacts of Extensive Stormwater Infiltration in Philadelphia
, (2011). Potential Impacts of Extensive Stormwater Infiltration in Philadelphia, Environmental Engineer and Scientist: Applied Research and Practice, vol. 14, pp. 29--39, American Academy of Environmental Engineers
Research Type: Journal Article
Studying Root Water Uptake Variations between Younger and Older Riparian Trees with Stable Water Isotopic Ratios
, (1964). Studying Root Water Uptake Variations between Younger and Older Riparian Trees with Stable Water Isotopic Ratios, AGU Fall Meeting 2021
Research Type: Conference Proceedings