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Oviedo Vargas

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Stroud Center and NASA Examine National Park Streams From Space

820 462 Stroud Water Research Center

Two science powerhouses are joining forces to discover water quality trends
in some of America’s favorite national parks.

Six Stroud Center staff members at a conference.

Sharing Our Science at the National Monitoring Conference

800 450 Stroud Water Research Center

Along with networking and learning state-of-the-art water quality monitoring techniques, we presented our research to hundreds of water quality specialists.

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

Stroud Center Scientist to Serve as Nature Conservancy Trustee

800 450 Stroud Water Research Center

Diana Oviedo Vargas, Ph.D., is to serve as a trustee of the Nature Conservancy in Pennsylvania and Delaware, the conservancy recently announced.

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Respiration regimes in rivers: partitioning source-specific respiration from metabolism time series

350 210 Stroud Water Research Center

Bertuzzo, E., E.R. Hotchkiss, A. Argerich, J.S. Kominoski, D. Oviedo-Vargas, P. Savoy, R. Scarlett, D. von Schiller, and J.B. Heffernan. 2022. Limnology and Oceanography 67(11): 2374–2388.

Daniel Myers and his dog get a closeup.

Adventures in Geographic Space: Postdoc Daniel Myers Recalls the Wild as He Solves Water Challenges

800 450 Stroud Water Research Center

On a fateful backcountry internship some years ago, the Stroud Center’s new postdoc, Dan Myers, Ph.D., heard the call of the wild and something more: his life’s mission.

Phytoplankton Dynamics at the Brandywine River

800 532 Stroud Water Research Center

High-frequency temperature, oxygen, and chlorophyll sensors, canoe float trips, and nutrient monitoring are the tools being used to study how much and how fast algae grow while they travel down…

Entomologists collect freshwater insects for a project that examines the impact of streamside restoration on water quality.

Breaking the Fall

800 450 Stroud Water Research Center

How the Clean Water Act changed the trajectory of America’s waterways and became a beacon for freshwater science.

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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. 2022. Biogeochemistry 160: 259–273.

The Viscosity Effect: A Newly Found Connection Between the Riparian Zone and Water Quality

800 450 Stroud Water Research Center

A new Stroud Center study shows that the density of water plays a previously overlooked role in nutrient and carbon cycling in freshwater ecosystems.