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Data Series 784

Prepared in cooperation with the Pennsylvania Department of Environmental Protection

Velocity, Water-Quality, and Bathymetric Surveys of the Grays Landing and Maxwell Navigation Pools, and Selected Tributaries to the Monongahela River, Pennsylvania, 2010–11

By Scott A. Hoffman, Mark A. Roland, Luther F. Schalk, and John W. Fulton

Thumbnail of and link to report PDF (2.8 MB)Abstract

The U.S. Geological Survey (USGS) conducted velocity, water-quality, and bathymetric surveys from spring 2010 to summer 2011 in the Grays Landing and Maxwell navigation pools of the Monongahela River, Pennsylvania, and selected tributaries in response to elevated levels of total dissolved solids (TDS) recorded in early September 2009. Velocity data were collected using an Acoustic Doppler Current Profiler. Water-quality surveys included the in-situ collection of specific-conductance, water-temperature, and turbidity data using a water-quality sonde. Additionally, discrete water samples were collected and analyzed for TDS, chloride, and sulfate. Bathymetric data were collected using an echo sounder, and the shoreline was delineated using a laser range finder and electronic compass. The data were geo-referenced using a differential global positioning system and navigational software. Horizontal (x, y) coordinates were referenced to the North American Datum of 1983. Depth (z) elevations were referenced to the North American Vertical Datum of 1988. The data are provided in electronic format (appendix 1) and may be downloaded and can be used in a geographic information system for cartographic display and data analysis.

First posted August 19, 2013

For additional information contact:
Director, Pennsylvania Water Science Center
U.S. Geological Survey
215 Limekiln Road
New Cumberland, PA 17070

http://pa.water.usgs.gov/

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Suggested citation:

Hoffman, S.A., Roland, M.R, Schalk, L.F., and Fulton, J.W., 2013, Velocity, water-quality, and bathymetric surveys of the Grays Landing and Maxwell Navigation Pools, and Selected Tributaries to the Monongahela River, Pennsylvania, 2010–11: U.S. Geological Survey Data Series 784, 12 p., https://pubs.usgs.gov/ds/784/.



Contents

Acknowledgments

Abstract

Introduction

Description of the Study Area

Methods of Investigation

Summary

References Cited

Appendix 1. Access database of water-quality and bathymetric data in the Gray’s Landing and Maxwell navigation pools


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