Ashley M. Helton
Associate Professor/Natural Resources and Environ

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Scholarly Contributions

187 Scholarly Contributions

114
Poster/Presentations
64
Journal Articles
6
Other Scholarly Works
3
Conference Proceedings
Flow paths to floodplains: Scaling hydrologic and biogeochemical procseses in large alluvial river floodplain-aquifer ecosystems
2014
Ashley Helton
Research Type: Poster/Presentation

From seeps to watersheds: Characterizing the spatial distribution of groundwater discharge across riverscapes.
2019
M C Harvey, J R Barclay, Ashley Helton, A Haynes, K E Jackson, M A Briggs, E Moore
Research Type: Poster/Presentation

Global extent, patterns, and drivers of hypoxia in streams and rivers
2022
F H Mejia, A M Carter, M J Cohen, J R Blaszczak, Lauren Koenig, N B Grimm, L Gomez.Gener, J W Harvey, C L Dutton, Ashley Helton
Research Type: Journal Article

Gradients of Anthropogenic Nutrient Enrichment Alter N Composition and DOM Stoichiometry in Freshwater Ecosystems
2021
W Dodds, S Haq, A Argerich, S Johnson, P Johnes, H Fazekas, S Kaushal, R Spencer, B Rodriquez-Cardona, A Wymore, J Brookshire, R Barnes, C Lopez-Lloreda, P Sullivan, C Yates, Ashley Helton, A Coble, W McDowell, P Kortelainen, S Bernal, J Jones
Research Type: Journal Article

Greenhouse gas fluxes from coastal wetlands at the intersection of urban pollution and saltwater intrusion: A soil core experiment
2019
Ashley Helton, April A. Doroski, Timothy M Vadas
Research Type: Journal Article

Groundwater Discharge of Legacy Nitrogen to River Networks: Linking Regional Groundwater Models to Streambed Groundwater-Surface Water Exchange and Nitrogen Processing
2017
Ann Hunt, Martin Briggs, J Jeffrey Starn, Ashley Helton, Janet Barclay
Research Type: Poster/Presentation

Groundwater Discharge of Legacy Nitrogen to River Networks: Patterns of Subsurface Travel Time, Nitrogen Loading, and Denitrification
2018
J Jeffrey Starn, Ashley Helton, Ann Hunt, Martin Briggs, Janet Barclay
Research Type: Poster/Presentation

Groundwater flow paths: Sources and sinks of legacy nitrogen
2019
M A Briggs, Ashley Helton, J J Starn, Janet Barclay
Research Type: Poster/Presentation

Groundwater flowpath depth influences the thermal stability of streams: Implications for instream carbon cycling
2021
Danielle Hare, Ashley Helton
Research Type: Poster/Presentation

Historical land use impacts on groundwater nutrient export
2021
A B Haynes, M A Briggs, J R Barclay, Ashley Helton, K E Jackson, E M Moore
Research Type: Poster/Presentation

How Do Historic Land Uses Affect Stream Ecosystems? The Role of Structural Legacies
2022
Emily Wilson, Ashley Helton, A Dionisio, E Moore
Research Type: Poster/Presentation

How Does Sediment Addition at Great Meadows Marsh Alter Salt Marsh Vegetation, Porewater Chemistry and Greenhouse Gas Fluxes?
2022
Beth A. Lawrence, Christopher Elphick, Ashley Helton, Madeline Kollegger
Research Type: Poster/Presentation

How does sea level driven-shifts in wetland vegetation alter carbon and nitrogen-based ecosystem services?
2017
Christopher Elphick, Beth A. Lawrence, Ashley Helton
Research Type: Poster/Presentation

How does sea level rise alter salt marsh plant biomass allocation and nitrogen content?
2019
Aidan Barry, Sean Ooi, Beth A. Lawrence, Ashley Helton, Fiona Liu, Christopher Elphick
Research Type: Poster/Presentation

How many mountains can we mine? Assessing the regional degradation of Central Appalachian rivers by surface coal mining
2012
J Amos, E S Bernhardt, R S King, B D Lutz, C E Carter, Ashley Helton, J P Fay, D Campagna
Research Type: Journal Article

How network structure affects river network denitrification: Disentangling the roles of network shape, stream size, and lentic water bodies
2023
L Koenig, S Rhea, Ashley Helton, Eric M Moore, M Briggs
Research Type: Poster/Presentation

How network structure can affect nitrogen removal by streams
2018
Ashley Helton, Enrico Bertuzzo, Robert O. Hall
Research Type: Journal Article

How river network structure affects nitrogen removal and export
2017
Ashley Helton
Research Type: Poster/Presentation

How sediment texture affects porewater chemistry and above ground plant biomass in salt marsh sediment additions.
2024
M Kollegger, Christopher Elphick, Beth A. Lawrence, Ashley Helton
Research Type: Poster/Presentation

How the spatial structure of light shapes metabolic regimes within and across river networks
2019
L Koenig, P Savoy, J Heffernan, E Moore, A Carter, E Bernardt, Ashley Helton
Research Type: Poster/Presentation