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Title page Introduction Methods Results Acknowledgments References Table Figures Appendixes Links Versions

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Suspended-Sediment Concentrations during Dam Decommissioning in the Elwha River, Washington

Prepared in cooperation with the U.S. Environmental Protection Agency and the National Park Service

By Christopher A. Curran, Christopher S. Magirl, and Jeffrey J. Duda

References Cited

Curran, C.A., Konrad, C.P., Higgins, J.L., and Bryant, M.K., 2009, Estimates of sediment load prior to dam removal in the Elwha River, Clallam County, Washington: U.S. Geological Survey Scientific Investigations Report 2009-5221, 19 p., available at http://pubs.usgs.gov/sir/2009/5221/.

Czuba, C.R., Randle, T.J., Bountry, J.A., Magirl, C.S., Czuba, J.A., Curran, C.A., and Konrad, C.P., 2011, Anticipated sediment delivery to the lower Elwha River estuary during and following dam removal, chap. 2 of Duda, J.J., Warrick, J.A., and Magirl, C.S., eds., Coastal habitats of the Elwha River, Washington—Biological and physical patterns and processes prior to dam removal: U.S. Geological Survey Scientific Investigations Report 2011-5120-2, p. 27-46, available at http://pubs.usgs.gov/sir/2011/5120/pdf/sir20115120_ch2.pdf.

Davis, B.E., 2005, A guide to the proper selection and use of Federally approved sediment and water quality samplers: U.S. Geological Survey Open-File Report 2005-1087, 20p., available at http://pubs.usgs.gov/of/2005/1087/.

Duan, N., 1983, Smearing estimate: A nonparametric retransformation method: Journal of the American Statistical Association v. 78, no. 383, p. 605-610, available at http://www.tandfonline.com/doi/abs/10.1080/01621459.1983.10478017#.UbDOP_WQkbg.

Duda, J.J., Freilich, J.E., and Schreiner, E.G., 2008, Baseline studies in the Elwha River prior to dam removal: Introduction to the special issue: Northwest Science 82 (special issue), p. 1-12, doi: 10.3955/0029-344X-82.S.I.1.

Duda, J.J., Warrick, J.A., and Magirl, C.S., eds., 2011, Coastal habitats of the Elwha River, Washington—Biological and physical patterns and processes prior to dam removal: U.S. Geological Survey Scientific Investigations Report 2011–5120, 264 p., available at http://pubs.usgs.gov/sir/2011/5120/.

Edwards, T.K., and Glysson, G.D., 1999, Field methods for measurement of fluvial sediment: U.S. Geological Survey Techniques of Water-Resources Investigations, book 3, chap. C2, 89 p., available at http://pubs.usgs.gov/twri/twri3-c2/.

Forest Technology Systems, Ltd., 2012, DTS-12 SDI Turbidity Sensor: FTS User Manual, rev. 15, January 13, 2012, 24 p.

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Randle, T.J., and Bountry, J.A., 2010, Elwha River restoration—Sediment adaptive management summary: Denver, Colo., U.S. Department of the Interior, Bureau of Reclamation, Technical Service Center, 14 p.

Randle, T.J., Young, C.A., Melena, J.T., and Ouellette, E.M., 1996, Sediment analysis and modeling of the river erosion alternative, Elwha Technical Series PN-95-9, U.S. Department of the Interior, Bureau of Reclamation, 138 p.

Rasmussen, P.P., Gray, J.R., Glysson, G.D., and Ziegler, A.C., 2009, Guidelines and procedures for computing time-series suspended-sediment concentrations and loads from in-stream turbidity-sensor and streamflow data: U.S. Geological Survey Techniques and Methods, book 3, chap. C4, 53 p., available at http://pubs.usgs.gov/tm/tm3c4/.

U.S. Department of the Interior, 1996, Elwha River ecosystem restoration implementation—Final environmental impact statement, Elwha River Ecosystem Restoration Implementation: Olympic National Park, National Park Service, 199 p.

Wagner, R.J.; Boulger, R.W., Jr.; Oblinger, C.J.; Smith, B.A., 2006, Guidelines and standard procedures for continuous water-quality monitors: Station operation, record computation, and data reporting: U.S. Geological Survey Techniques and Methods 1-D3, 51 p., available at http://pubs.usgs.gov/tm/2006/tm1D3/.

Warrick, J.A., Duda, J.J., Magirl, C.S., and Curran, C.A., 2012, River turbidity and sediment loads during dam removal: Eos, Transactions of the American Geophysical Union, v. 93, no. 43, p. 425-426, doi: 10.1029/2012EO430002, available at http://onlinelibrary.wiley.com/doi/10.1029/2012EO430002/abstract.