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Oviedo Vargas

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Partitioning inorganic carbon fluxes from paired O2 – CO2 gas measurements in a neotropical headwater stream, Costa Rica

 350 210 Stroud Water Research Center

Marzolf, N.S, G.E. Small, D. Oviedo-Vargas, C.N. Ganong, J.H. Duff, A. Ramírez, C.M. Pringle, D.P. Genereux, and M. Ardón. 2021. Biogeochemistry, early online access.

Research technicians weigh, identify, and record fish and amphibians sampled during a stream survey.

National Park Service Taps Stroud Center Team to Review Water Quality Data

 800 450 Stroud Water Research Center

“We are really leaning on Stroud to provide the aquatic ecology piece, to help us put data into context and advance our understanding of watershed health.”

Four scientists collect simulated rainfall from soil in a cornfield in White Clay Creek watershed.

Saving Streams With Good Science

 800 450 Stroud Water Research Center

Building trust in the scientific process starts with communicating our research to non-scientists. To that end, our scientists share snapshots of three long-term experiments.

PFAS movement from points of use to farms and water.

Use Of Biosolids as Soil Amendments May Be a Pathway for PFAS Contamination of Soil, Water, and Ultimately, Our Food

 800 450 Stroud Water Research Center

To help understand the extent of this problem in Pennsylvania, scientists are looking at the occurrence and migration of biosolid-derived PFASs into soil and water on agricultural fields.

Diana Oviedo-Vargas downloading data from a sensor located in White Clay Creek to a field laptop.

Oviedo Vargas Shares Her STEM Career Journey

 800 450 Stroud Water Research Center

The Stroud Center biogeochemist was featured in a women-in-STEM webinar series hosted by EarthEcho International.

Photo of a farm with a large muddy area with cattle.

A Small Farm Offers Big Opportunities for Measuring Watershed Restoration Success

 800 450 Stroud Water Research Center

Stream restorations rarely get monitored rigorously enough to determine if the “patient” has fully recovered.

Aerial photographs of a recovering forest along White Clay Creek in Pennsylvania.

Patience is the Mother of Science: Long-Term Responses of a Stream to Reforestation

 1000 724 Stroud Water Research Center

We’re studying how White Clay Creek can recover from deforestation and agricultural expansion and to what extent restoration practices can acclerate that recovery.

Diana Oviedo Vargas and Melinda Daniels in a Costa Rican forest.

Stream Reach: Building Communities from White Clay Creek to the Yangtze Basin

 800 450 Stroud Water Research Center

To truly make a difference requires, not only understanding freshwater systems, but working with all kinds of communities to protect them.

Don’t Stop Me Now! Studying the Effects of Milldam Removal

 800 450 Stroud Water Research Center

Stroud Water Research Center scientists are investigating how milldam removal might affect groundwater and surface water quality.

David Bressler providing C-SAW technical assistance to volunteers of the Silver Lake Nature Center.

A Watershed of Curiosity

 800 450 Stroud Water Research Center

Not everyone has the opportunity to become a professional scientist, but a great scientist can come from anywhere. Anyone can be a part of science.