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Publications

Nitrogen in the Chesapeake Bay Watershed - A Century of Change, 1950–2050

National Award for Superior Communication Product

News Event

Domestic Well Water Quality in Marcellus Shale Region

Factors Affecting Groundwater Quality Used for Domestic Supply in Marcellus Shale Region of North-Central and North-East Pennsylvania

Journal Article

Geohydrologic and water-quality characterization of a fractured-bedrock test hole in an area of Marcellus Shale gas development, Sullivan County, Pennsylvania

Report at Pennsylvania Geological Survey

Publications are the cornerstone of the Pennsylvania Water Science Center’s dissemination of scientific data and conclusions. 

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Filter Total Items: 957

Water-quality trends in the Delaware River Basin calculated using multisource data and two methods for trend periods ending in 2018 Water-quality trends in the Delaware River Basin calculated using multisource data and two methods for trend periods ending in 2018

Many organizations in the Delaware River Basin (DRB) monitor surface-water quality for regulatory, scientific, and decision-making purposes. In support of these purposes, over 260,000 water-quality records provided by 8 different organizations were compiled, screened, and used to generate water-quality trends in the DRB. These trends, for periods of record that end in 2018, were...
Authors
Megan E. Shoda, Jennifer C. Murphy
By
Ohio-Kentucky-Indiana Water Science Center, Pennsylvania Water Science Center

PHREEQ-N-AMDTreat+REYs water-quality modeling tools to evaluate acid mine drainage treatment strategies for recovery of rare-earth elements PHREEQ-N-AMDTreat+REYs water-quality modeling tools to evaluate acid mine drainage treatment strategies for recovery of rare-earth elements

The PHREEQ-N-AMDTreat+REYs water-quality modeling tools have the fundamental capability to simulate aqueous chemical reactions and predict the formation of metal-rich solids during the treatment of acid mine drainage (AMD). These new user-friendly, publicly available tools were expanded from the PHREEQ-N-AMDTreat tools to include the precipitation of rare-earth elements plus yttrium...
Authors
Charles A. Cravotta
By
Water Resources Mission Area, Pennsylvania Water Science Center

Determination and prediction of rare earth element eeochemical associations in acid mine drainage treatment wastes Determination and prediction of rare earth element eeochemical associations in acid mine drainage treatment wastes

Acid mine drainage (AMD) has been proposed by various researchers as a novel source of rare earth elements (REE), a group of elements that include critical metals for clean energy and modern technologies. REE tend to be sequestered in the Fe-Al-Mn-rich solids produced during the treatment of AMD. These solids are typically managed as waste, but could be a low-cost, readily available REE...
Authors
B.C. Hedin, Charles A. Cravotta, M.Y. Stuckman, C.L. Lopano, R.C. Capo, R.S. Hedin
By
Water Resources Mission Area, Pennsylvania Water Science Center

Corrigendum: Associations between cyanobacteria and indices of secondary production in the western basin of Lake Erie Corrigendum: Associations between cyanobacteria and indices of secondary production in the western basin of Lake Erie

In the last year, we became aware that data used in our above-referenced manuscript from 2018 published in Limnology and Oceanography contained significant errors. In the 2018 manuscript, we found that indices of secondary production were negatively correlated to indices of cyanobacterial abundance and toxicity. Unfortunately, one of our indices of cyanobacterial abundance (biovolume)...
Authors
James H. Larson, Mary Anne Evans, Robert J Kennedy, Sean Bailey, Keith Loftin, Zachary Laughrey, Robin A. Femmer, Jeff S. Schaeffer, William B. Richardson, T.T. Wynne, John C. Nelson, Joseph W. Duris
By
Ecosystems Mission Area, Water Resources Mission Area, Great Lakes Science Center, Kansas Water Science Center, Pennsylvania Water Science Center, Upper Midwest Environmental Sciences Center

Long-term impacts of impervious surface cover change and roadway deicing agent application on chloride concentrations in exurban and suburban watersheds Long-term impacts of impervious surface cover change and roadway deicing agent application on chloride concentrations in exurban and suburban watersheds

Roadway deicing agents, including rock salt and brine containing NaCl, have had a profound impact on the water quality and aquatic health of rivers and streams in urbanized areas with temperate climates. Yet, few studies evaluate impacts to watersheds characterized by relatively low impervious surface cover (ISC; 15 %). Here, we use long-term (1997-2019), monthly streamwater quality...
Authors
Marissa L. Rossi, Peleg Kremer, Charles A. Cravotta, Krista E. Scheirer, Steven T. Goldsmith
By
Water Resources Mission Area, Pennsylvania Water Science Center

Groundwater quality in selected Stream Valley aquifers, eastern United States Groundwater quality in selected Stream Valley aquifers, eastern United States

Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The stream-valley aquifers constitute one of the important aquifer systems being...
Authors
James A. Kingsbury
By
Water Resources Mission Area, Pennsylvania Water Science Center

Effects of return flows on stream water quality and availability in the Upper Colorado, Delaware, and Illinois River Basins Effects of return flows on stream water quality and availability in the Upper Colorado, Delaware, and Illinois River Basins

Understanding effects of human water use and subsequent return flows on the availability and suitability of water for downstream uses is critical to efficient and effective watershed management. We compared spatially detailed estimates of stream chemistry within three watersheds in diverse settings to available standards to isolate effects of wastewater and irrigation return flows on the...
Authors
Scott Ator, Olivia L. Miller, David A. Saad
By
Water Resources Mission Area, Pennsylvania Water Science Center

Genome-wide genetic diversity may help identify fine-scale genetic structure among lake whitefish spawning groups in Lake Erie Genome-wide genetic diversity may help identify fine-scale genetic structure among lake whitefish spawning groups in Lake Erie

In Lake Erie, lake whitefish Coregonus clupeaformis supported lucrative fisheries before populations were decimated by overfishing and water quality degradation. In recent years, there has been a renewed interest in lake whitefish and management of the fishery they support. Lake whitefish spawn on several reefs throughout Lake Erie, but the relative recruitment dynamics and contributions...
Authors
Peter T. Euclide, Joseph Schmitt, Richard Kraus, Andy Cook, Jim Markham
By
Ecosystems Mission Area, Great Lakes Science Center, Pennsylvania Water Science Center

Thirteen novel ideas and underutilized resources to support progress towards a range-wide American eel stock assessment Thirteen novel ideas and underutilized resources to support progress towards a range-wide American eel stock assessment

A robust assessment of the American eel (Anguilla rostrata) stock, required to guide conservation efforts, is challenged by the species’ vast range, high variability in demographic parameters and data inadequacies. Novel ideas and underutilised resources that may assist both analytic assessments and spatially oriented modelling include (1) species and environmental databases; (2) mining...
Authors
David K. Cairns, José Benchetrit, Louis Bernatchez, Virginie Bornarel, John M. Casselman, Martin Castonguay, Anthony Charsley, Malte Dorrow, Hilaire Drouineau, Jens Frankowski, Alexander Haro, Simon Hoyle, D. Craig Knickle, Marten A. Koops, Luke A. Poirier, James T. Thorson, John A. Young, Xinhua Zhu
By
Eastern Ecological Science Center, Chesapeake Bay Activities, Pennsylvania Water Science Center

Streambank and floodplain geomorphic change and contribution to watershed material budgets Streambank and floodplain geomorphic change and contribution to watershed material budgets

Stream geomorphic change is highly spatially variable but critical to landform evolution, human infrastructure, habitat, and watershed pollutant transport. However, measurements and process models of streambank erosion and floodplain deposition and resulting sediment fluxes are currently insufficient to predict these rates in all perennial streams over large regions. Here we measured...
Authors
Gregory Noe, Kristina G. Hopkins, Peter Claggett, Edward R. Schenk, Marina Metes, Labeeb Ahmed, Thomas Rossiter Doody, Cliff R. Hupp
By
Chesapeake Bay Activities, Florence Bascom Geoscience Center, Pennsylvania Water Science Center

Compilation and evaluation of data used to identify groundwater sources under the direct influence of surface water in Pennsylvania Compilation and evaluation of data used to identify groundwater sources under the direct influence of surface water in Pennsylvania

A study was conducted to compile and evaluate data used to identify groundwater sources that are under the direct influence of surface water (GUDI) in Pennsylvania. In the early 1990s, the Pennsylvania Department of Environmental Protection (PADEP) implemented the Surface Water Identification Protocol (SWIP) for the identification of GUDI sources. Since the establishment of the SWIP...
Authors
Eliza L. Gross, Matthew D. Conlon, Dennis W. Risser, Chad E. Reisch
By
Water Resources Mission Area, Pennsylvania Water Science Center

Pennsylvania and Landsat Pennsylvania and Landsat

The Commonwealth of Pennsylvania straddles an array of landscapes. From east to west, its 46,055 square miles connect the sea-level lowlands of the Atlantic seaboard with the rolling hills of the Midwest. It also acts as a bridge between regions from north to south, with the Appalachian Mountains swooping through its center from its northern border with New York to its southern borders...
Authors
By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Pennsylvania Water Science Center
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