Ashley M. Helton
Associate Professor/Natural Resources and Environ

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Exploring landscape and geologic controls on spatial patterning of streambank groundwater discharge in a mixed land use watershed
2024
Ashley Helton, Janet R Barclay, Kevin E Jackson, Eric M Moore, Marty A Briggs
Research Type: Journal Article

Saltwater Intrusion and Sea Level Rise threatens coastal landscapes and communities
2024
Justin Wright, E S Bernhardt, Greg Noe, Manuel Lerdau, Eric Edwards, Anna Braswell, Xi Yang, Kiera O'Donnell, Elliot White, Kate Tully, Tod Bendor, Elizabeth Brakenberg, Marcelo Ardon, Lindsay Naylor, Amy Lesen, Ashley Helton, Alex Manda, Ryan Emanuel, John Kominoski
Research Type: Journal Article

Where the past meets the present: Connecting nitrogen from watersheds to their streams through groundwater flow paths
2023
Eric M Moore, Janet Barclay, Kevin Jackson, Ashley Helton, Alaina Bisson, Martin Briggs, Adam Haynes
Research Type: Journal Article

At the interfaces of the hydrologic sciences: Connecting water, elements, ecosystems, and people through the major contributions of Dr. Emily Bernhardt
2023
Joanna Blaszczak, Kristofor Voss, Jacqueline Gerson, Marie Simonin, Emily Ury, Michael Vlah, Jennifer Morse, Elizabeth Sudduth, Ashley Helton, Marcelo Ardón, Alice Carter, Jennifer Rocca, Raven Bier, Jessica Brandt, Matthew Ross
Research Type: Journal Article

Shallow and local or deep and regional? Inferring source groundwater characteristics across mainstem river discharge faces
2023
Ashley Helton, James Knighton
Research Type: Journal Article

Carbon dynamics vary among tidal marsh plant species in a sea-level rise experiment
2023
Sean Ooi, Aidan Barry, Christopher Elphick, Ashley Helton
Research Type: Journal Article

Paired air and stream temperature analysis (PASTA) to evaluate groundwater influence on streams
2023
Danielle Hare, S Benz, N Terry, Ashley Helton, Z Johnson, B Kurylyk
Research Type: Journal Article

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

Where groundwater seeps: Evaluating modeled groundwater discharge patterns with thermal infrared surveys at the river network scale
2022
A Hanson, Ashley Helton, J J Starn, M A Briggs, Janet R Barclay
Research Type: Journal Article

Shifting Stoichiometry: Long-term trends in stream dissolved organic matter alter C:N ratios due to history of atmospheric acid deposition
2022
P Johnes, W Dodds, S Kaushal, J Jones, W McDowell, A Argerich, P Kortelainen, C Lopez-Lloreda, Ashley Helton, J Brookshire, A Coble, B Rodriquez-Cardona, R Barnes, R Spences, S Johnson, A Wymore, H Fazekas, S Bernal
Research Type: Journal Article

Nitrogen and phosphorus uptake stoichiometry tracks supply ratio during two-year whole-ecosystem nutrient additions
2022
J Benstead, S Thomas, Ashley Helton, E Hotchkiss, A D Rosemond, V Gulis, D Manning, N Tomczyk, J Kominoski
Research Type: Journal Article

Superlinear scaling of riverine biogeochemical function with watershed size
2022
J C Finlay, Ashley Helton, L E Koenig, C Song, T K Harms, A L Robinson, W M Wollheim, W B Bowden
Research Type: Journal Article

Vegetation zones are indicators of denitrification potential in salt marshes
2022
Beth A. Lawrence, Sean Khan Ooi, Aidan Barry, Ashley Helton, Christopher Elphick
Research Type: Journal Article

Light and flow regimes regulate the metabolism of rivers.
2022
J S Reed, N B Grimm, A M Carter, R O Hall, Ashley Helton, W H McDowell, J B Heffernan, M Vlah, J D Hosen, E H Stanley, J W Harvey, E S Bernhardt, P Savoy, A A Appling, L E Koenig, J R Blaszcak, M Cohen, L Kirk, M Arriota, C B Yackulic, E G Stets
Research Type: Journal Article

Response of soil respiration to changes in soil temperature and water table level in drained and restored peatlands of the southeastern United States
2022
M Ardon, Ashley Helton, E Swails, R Emmanuel, K Krauss, A Peralta
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

Vegetation zonation predicts salt marsh carbon mineralization and microbial communities in southern New England salt marshes
2021
Ashley Helton, Aidan Barry, Christopher Elphick, Sean Ooi, Blaire Steven, Beth A. Lawrence
Research Type: Journal Article

Road salt inputs alter biogeochemistry but not community composition in exurban forested wetlands
2021
Ashley Helton, Beth A. Lawrence, Samantha Walker, Gary Robbins
Research Type: Journal Article

Exploring local riverbank sediment controls on the occurrence of preferential groundwater discharge points
2021
A Bisson, F Liu, Ashley Helton, E M Moore, K E Jackson, M A Briggs
Research Type: Journal Article

An ecohydrological typology for thermal refuges in streams and rivers
2021
Ashley Helton, M A Briggs, B L Kurylyk, Jason C. Vokoun, C J Sullivan
Research Type: Journal Article