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Freshwater Research

Moving Freshwater Science Forward

Our efforts at Stroud Water Research Center require intellectual curiosity, a systematic and rigorous approach to scientific research, and the drive to answer a series of challenging questions about freshwater ecosystems. The answers to these questions may take decades to fully understand, but it is critical that we persist, as they have the power to influence others in ways that positively affect the world’s finite supply of clean fresh water.

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Recent Publications

Freshwater salinization syndrome is degrading streamwater quality in the National Capital Region national parks, USA

Myers, D.T., D. Oviedo-Vargas, S. Ensign, M. Daniels, J.P. Schmit, M. Peipoch, and J. Kan. 2025. Freshwater Science, early online access.

High-frequency soil redox data provide novel insights into biogeochemical hot spots and hot moments

Sena, M.G., B. Joshi, M.M. Rahman, M. Peipoch, J. Kan, E. Moore, M. Afsar, Y. Jin, D. Dwivedi, E. Peck, and S. Inamdar. 2025. Hydrological Processes 39(12): e70367.

Modeling the competition and controls for denitrification and dissimilatory nitrate reduction to ammonium (DNRA) in riparian sediments

Joshi, B., D. Dwivedi, M.M. Rahman, M.G. Sena, E.R. Moore, J.G. Galella, M. Peipoch, J. Kan, P. Imhoff, and S. Inamdar. 2025. Journal of Geophysical Research: Biogeosciences 130(12): e2025JG009072.

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Freshwater Research News

A cross-section showing cover crop roots growing deeply into the soil.
Harnessing Machine Learning for Sustainable Farming and Water Protection
DNA sequencing technology produces mind-boggling quantities of raw data. This is where machine learning is set to open a new expanse of knowledge.
A streambank before riparian reforestation.
Digging Into Soil Health
Healthy soil is the foundation of a thriving ecosystem and clean surface water; yet it’s often an overlooked element in restoration work.
Abigail Duimering samples macroinvertebrates in White Clay Creek.
Wading Through Disciplines
From aquatic insects to microbial DNA, an intern explores how collaboration across disciplines advances stream and soil health research.
A sample of aquatic macroinvertebrates viewed under a microscope.
Building Scientific Rigor Through Certified Taxonomic Expertise
Taxonomic certification administered by the Stroud Center is the gold standard, with certifications in aquatic invertebrates, diatoms, and soon, fish.
Dave Funk collects macroinvertebrate samples from a stream.
Six New Species of Mayfly Identified: A Video Interview with Dave Funk
Entomologist Dave Funk shares how his 2025 study named six new Ameletus mayflies — and what these parthenogenetic insects reveal about stream health.
Dave Montgomery collecting a water sample from White Clay Creek during Hurricane Isaias.
USGS Cuts to Water Resources Threaten Health and Safety
River monitoring funding cuts are a problem not just for water scientists but for all Americans, because we all rely on and live near a river or stream.