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Watershed Biogeochemistry

Evaluating How Conventional, Conservation, and Organic Farming Management Practices Enhance Soil Health and Improve Water Quality

 800 532 Stroud Water Research Center

This project investigates how different agricultural management practices influence water quality and soil health. Using Rodale Institute’s 37-year-old Farming Systems Trial and a recent transition to organic farming at the…

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.

Publication title with image of a mayfly

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…

Publication title with image of a mayfly

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.

Three researchers seated on the ground and one standing collect samples from a rainfall simulator.

After the Harvest, the Rain Must Come

 800 450 Stroud Water Research Center

Researchers at Stroud Water Research Center are using a rainfall simulator to assess how farming practices affect water quality in our streams and rivers.