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Watershed Biogeochemistry

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.

Publication title with image of a mayfly

Elucidating stream bacteria utilizing terrestrial dissolved organic matter

 350 210 Stroud Water Research Center

Akinwole, P., L. Kaplan, and R. Findlay. 2021. World Journal of Microbiology and Biotechnology 37, article 32.

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.

Publication title with image of a mayfly

Effect of decreasing biological lability on dissolved organic matter dynamics in streams

 350 210 Stroud Water Research Center

Li, A., J.D. Drummond, J.C. Bowen, R.M. Cory, L.A. Kaplan, and A.I. Packman. 2020. Water Resources Research 57(2): e2020WR027918.

Evaluating the Effects of Watershed-Scale Agricultural Best Management Practices on Water Quality

 800 532 Stroud Water Research Center

In early 2020, a number of agricultural best management practices will be implemented on Amish farms in Lancaster County, Pa. The farms are nested in a small watershed drained by…

Mitigating Agricultural Pollution of Fresh Water and Combating Climate Change by Restoring Soil Health Through Conservation and Organic Agricultural Practices

 800 532 Stroud Water Research Center

Conventional agricultural activities (plowing, disking, synthetic fertilizer use, widespread pesticide application) have contributed to poor soil health, reduced rainfall infiltration and storage, increased stormwater runoff and export of sediment, nutrients,…

Transforming Water Quality in the Sharitz Run Headwaters of Brandywine Creek

 800 532 Stroud Water Research Center

This Watershed Renaissance Initiative grant will enable Stroud Water Research Center to implement extensive watershed restoration projects designed to capture and control excess water and sediment production from agricultural hillslopes.…

Phytoplankton Dynamics at the Brandywine River

 800 532 Stroud Water Research Center

Using high-frequency sensors, canoe field trips, and watershed monitoring, our team is trying to understand how much and how fast can algae grow in the water column of the Brandywine…

Monitoring Fish Populations and Stream Habitat Quality for the National Park Service

 800 532 Stroud Water Research Center

For this project, scientists are monitoring 37 sites distributed among 10 parks in the National Capital Region Network. At each site, our team performs a standard biological stream monitoring to…

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.