Publications

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

National Award for Superior Communication Product

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

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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January 1, 1995

Use of stable isotopes of carbon, nitrogen, and sulfer to identify sources of nitrogen in surface waters in the Lower Susquehanna River basin, Pennsylvania Use of stable isotopes of carbon, nitrogen, and sulfer to identify sources of nitrogen in surface waters in the Lower Susquehanna River basin, Pennsylvania

Stable isotopes of carbon (C), nitrogen (N), and sulfur (S) in nitrogen sources and nearby samples of topsoil, subsoil, runoff water, and stream water were measured to evaluate the feasibility of using isotopic data to identify nitrogen sources in stream water from forested, agricultural, or suburban land-use areas. Chemical and isotopic compositions were measured for six N-source types...

Authors

C.A. Cravotta

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1995

Assessment of water quality in the upper Pine Creek, Pennsylvania watershed following a sewage plant upgrade Assessment of water quality in the upper Pine Creek, Pennsylvania watershed following a sewage plant upgrade

No abstract available.

Authors

K.A. Meyer, D. V. Rottiers

Ecosystems Mission Area, Eastern Ecological Science Center, Pennsylvania Water Science Center

January 1, 1995

Simulation of streamflow and sediment transport in two surface-coal-mined basins in Fayette County, Pennsylvania Simulation of streamflow and sediment transport in two surface-coal-mined basins in Fayette County, Pennsylvania

The Hydrological Simulation Program - Fortran (HSPF) was used to simulate streamflow and sediment transport in two surface-mined basins of Fayette County, Pa. Hydrologic data from the Stony Fork Basin (0.93 square miles) was used to calibrate HSPF parameters. The calibrated parameters were applied to an HSPF model of the Poplar Run Basin (8.83 square miles) to evaluate the transfer value...

Authors

J. I. Sams, E. C. Witt

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1995

Deposition and simulation of sediment transport in the Lower Susquehanna River reservoir system Deposition and simulation of sediment transport in the Lower Susquehanna River reservoir system

The Susquehanna River drains 27,510 square miles in New York, Pennsylvania, and Maryland and is the largest tributary to the Chesapeake Bay. Three large hydroelectric dams are located on the river, Safe Harbor (Lake Clarke) and Holtwood (Lake Aldred) in southern Pennsylvania, and Conowingo (Conowingo Reservoir) in northern Maryland. About 259 million tons of sediment have been deposited...

Authors

R.A. Hainly, L.A. Reed, H.N. Flippo, G. J. Barton

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1994

Effects of selective handling of pyritic, acid-forming materials on the chemistry of pore gas and ground water at a reclaimed surface coal mine in Clarion County, PA, USA Effects of selective handling of pyritic, acid-forming materials on the chemistry of pore gas and ground water at a reclaimed surface coal mine in Clarion County, PA, USA

A change from dragline to “selective handling” mining methods at a reclaimed surface coal mine in western Pennsylvania did not significantly affect concentrations of metals in ground water because oxidation of pyrite and dissolution of siderite were not abated. Throughout the mine, placement of pyritic material near the land surface facilitated the oxidation of pyrite, causing the...

Authors

Charles A. Cravotta, Diana L. Dugas, Keith Brady, Thomas E. Kovalchuck

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1994

Geochemical and geohydrological characteristics of bedrock and spol from two methods of mining at a reclaimed surface coal mine, Clarion County, PA, USA Geochemical and geohydrological characteristics of bedrock and spol from two methods of mining at a reclaimed surface coal mine, Clarion County, PA, USA

Two methods of mining caused subtle differences in geochemical and geohydrological characteristics of spoil at a reclaimed surface coal mine in western Pennsylvania. A dragline was used in the southern area of the mine, and bulldozers and front-end loaders were used in the northern area. Mining methods used in the intervening, middle area are uncertain. In general, overburden at the mine...

Authors

Charles A. Cravotta, Keith Brady, Linda C. Gustafson-Minnich, Michael R. DiMatteo

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1994

Occurrence and yields of triazine herbicides in the Susquehanna river and tributaries during base-flow conditions in the Lower Susquehanna River Basin, Pennsylvania and Maryland, June 1993 Occurrence and yields of triazine herbicides in the Susquehanna river and tributaries during base-flow conditions in the Lower Susquehanna River Basin, Pennsylvania and Maryland, June 1993

No abstract available.

Authors

Kevin J. Breen, Andrew J. Gavin, Ronald R. Schnabel

Pennsylvania Water Science Center

January 1, 1994

Altitude and configuration of the potentiometric surface in Buckingham and Wrightstown townships, Bucks County, Pennsylvania, June 1992 through January 1993 Altitude and configuration of the potentiometric surface in Buckingham and Wrightstown townships, Bucks County, Pennsylvania, June 1992 through January 1993

A map showing ground-water levels in Buckingham and Wrightstown Townships, Bucks County, Pennsylvania, was constructed from water levels measured in 251 wells and from 3 reported elevations of quarry sumps from June 1992 through January 1993. Observed water-level altitudes range from 459 feet above sea level along Burnt House Hill Road, south- west of Mechanicsville, to 10 feet above sea...

Authors

B. C. McManus, C.L. Schreffler, C.J. Rowland

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1994

Evaluation of methods for delineating areas that contribute water to wells completed in valley-fill aquifers in Pennsylvania Evaluation of methods for delineating areas that contribute water to wells completed in valley-fill aquifers in Pennsylvania

Valley-fill aquifers in Pennsylvania are the source of drinking water for many wells in the glaciated parts of the State and along major river valleys. These aquifers area subject to contamination because of their shallow water-table depth and highly transmissive sediments. The possibility for contamination of water-supply wells in valley-fill aquifers can be minimized by excluding...

Authors

Dennis W. Risser, Thomas M. Madden

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1994

Determination of traveltime in the Delaware River, Hancock, New York, to the Delaware Water Gap by use of a conservative dye tracer Determination of traveltime in the Delaware River, Hancock, New York, to the Delaware Water Gap by use of a conservative dye tracer

Traveltime of a soluble substance was determined for a 120-mile reach of the Delaware River from the confluence of the East Branch Delaware River and the West Branch Delaware River at Hancock, N.Y. to the Delaware Water Gap. Dye studies were conducted at the 85-95 percent and the 25-30 percent flow durations. Discharges ranged from 500-1,740 cubic feet per second during the 85-95 percent...

Authors

K. E. White, T.W. Kratzer

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1994

Sensitivity of water resources in the Delaware River basin to climate variability and change Sensitivity of water resources in the Delaware River basin to climate variability and change

Because of the greenhouse effect, projected increases in atmospheric carbon dioxide levels might cause global warming, which in turn could result in changes in precipitation patterns and evapotranspiration and in increases in sea level. This report describes the greenhouse effect; discusses the problems and uncertainties associated with the detection, prediction, and effects of climate...

Authors

Mark A. Ayers, David M. Wolock, Gregory J. McCabe, Lauren E. Hay, Gary D. Tasker

New Jersey Water Science Center, Pennsylvania Water Science Center, Central Plains Water Science Center

January 1, 1994

United States Geological Survey, Programs in Pennsylvania United States Geological Survey, Programs in Pennsylvania

No abstract available

Authors

Water Resources Division U.S. Geological Survey

Water Resources Mission Area, Pennsylvania Water Science Center