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United States Department of Agriculture

Agricultural Research Service

Daniel G Wren
Research Hydraulic Engineer


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Examining the generality of Tau_0/TKE for gravel and cobble beds with sand fill -
Turbulence measurements over immobile gravel with additions of sand from supply limited to capacity transport conditions -
Wren, D.G., Kuhnle, R.A., Langendoen, E.J., Ursic, M.E. 2016. Turbulence measurements over immobile gravel with additions of sand from supply limited to capacity transport conditions. International Association of Hydraulic Research 2016 River Flow Conference in St. Louis, MO (http://www.iihr.uiowa.edu/riverflow2016/). July 12-15, 2016. PP. 361-362.
Field and laboratory calibration of impact plates for measuring coarse bed load transport -
Carpenter, B., Wren, D.G., Kuhnle, R.A., Rigby Jr, J.R., Hilldale, R.C., Goodwiller, B.T. 2016. Field and laboratory calibration of impact plates for measuring coarse bed load transport. International Conference on Fluvial Hydraulics. 8th International Conference on Fluvial Hydraulics. River Flow 2016. July 12-15, 2016 St. Louis, MO. pp. 371-372.
A method for identifying boundary interference in PADV data -
Ursic, M.E., Wren, D.G., Langendoen, E.J. 2016. A method for identifying boundary interference in PADV data. International Association of Hydraulic Research International Symposium. 8th International Conference on Fluvial Hydraulics. River Flow 2016. July 12-15, 2016 St. Louis, MO. pp. 137-138.
Prediction of sand transport over immobile gravel from supply limited to capacity conditions -
Kuhnle, R.A., Langendoen, E.J., Wren, D.G. 2016. Prediction of sand transport over immobile gravel from supply limited to capacity conditions. Proceedings of the 8th International Conference on Fluvial Hydraulics. River Flow 2016. July 12-15, 2016 St. Louis, MO. pp. 340-341.
Development of a portable passive-acoustic bedload monitoring system -
Goodwiller, B., Chambers, J.P., Wren, D.G., Rigby Jr, J.R., Hilldale, R.C., Carpenter, B. 2016. Development of a portable passive-acoustic bedload monitoring system. International Conference on Fluvial Hydraulics. St. Louis, MO. July 12-15, 2016. pp. 359-360.
Bed topography and sand transport responses to a step change in discharge and water depth Reprint Icon -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A. 2016. Bed topography and sand transport responses to a step change in discharge and water depth. Journal of Hydraulic Engineering. 10.1061/(ASCE)HY.1943-7900.0001172.
Acoustic signal propagation and measurement in natural stream channels for application to surrogate bed load measurements: Halfmoon Creek, Colorado -
Rigby Jr, J.R., Wren, D.G., Murray, N. 2016. Acoustic signal propagation and measurement in natural stream channels for application to surrogate bed load measurements: Halfmoon Creek, Colorado. International Conference on Fluvial Hydraulics. 8th International Conference on Fluvial Hydraulics. River Flow 2016. July 12-15, 2016 St. Louis, MO. pp. 537-538.
Laboratory and field investigations of wave attenuation by live marsh vegetation -
Wu, W., Ozeren, Y., Chin, Q., Jadhav, R., Wren, D.G. 2016. Laboratory and field investigations of wave attenuation by live marsh vegetation. Proceedings of the 6th International Conference on the Application of Physical Modeling in Coastal and Port Engineering and Science (Coastlab16). Proceedings online (http://rdio.rdc.uottawa.ca/publications/coastlab16/coastlab7.pdf); Ottawa, Canada, May 10-13, 2016. pp 1-10.
Passive acoustic monitoring of bed load for fluvial applications -
Rigby Jr, J.R., Wren, D.G., Kuhnle, R.A. 2016. Passive acoustic monitoring of bed load for fluvial applications. Journal of Hydraulic Engineering. doi: 10.1061/(ASCE)HY.1943-7900.0001122.
Measuring the erosion of an irrigation reservoir levee Reprint Icon -
Wren, D.G., Ozeren, Y., Reba, M.L. 2016. Measuring the erosion of an irrigation reservoir levee. Transactions of the ASABE. 59(1):41-48. doi: 10.13031/trans.59.10751.
Determination of lake sediment accumulation rates in an agricultural watershed using lead-210 and cesium-137 Reprint Icon -
Wren, D.G., Rigby Jr, J.R., Davidson, G.R., Locke, M.A. 2016. Determination of lake sediment accumulation rates in an agricultural watershed using lead-210 and cesium-137. Journal of Soil and Water Conservation. 71(2):137-147; doi: 10.2489/jswc.71.2.137.
Erosion of sand from a gravel bed Reprint Icon -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J. 2016. Erosion of sand from a gravel bed. Journal of Hydraulic Engineering. 142(2)04015052-1-8. doi: 10.1061/(ASCE)HY.1943-7900.0001071, 2016.
Sediment-generated noise (SGN): Laboratory determination of measurement volume -
Wren, D.G., Goodwiller, B., Rigby Jr, J.R., Carpenter, W.O., Kuhnle, R.A., Chambers, J.P. 2015. Sediment-generated noise (SGN): Laboratory determination of measurement volume. Joint Federal Interagency Sedimentation and Hydrologic Modeling Proceedings, april 19-23, Reno Nevada. pp. 408-413.
Sediment-generated noise (SGN): Comparison with physical bedload measurements in a small semi-arid watershed -
Rigby Jr, J.R., Wren, D.G., Kuhnle, R.A., Nichols, M.H., Goodwiller, B.T., Carpenter, W.O., Chambers, J.P. 2015. Sediment-generated noise (SGN): Comparison with physical bedload measurements in a small semi-arid watershed. In: Proceedings of the Federal Interagency Sedimentation Conference. April 19-23, Reno, Nevada. pp. 400-407.
Simultaneous determination of mercury and organic carbon using a direct mercury analyzer: Mercury profiles in sediment cores from oxbow lakes in the Mississippi Delta Reprint Icon -
Chen, J.G., Chakravarty, P., Davidson, G.R., Wren, D.G., Locke, M.A., Zhou, Y., Cizdziel, J.V. 2015. Simultaneous determination of mercury and organic carbon using a direct mercury analyzer: Mercury profiles in sediment cores from oxbow lakes in the Mississippi Delta. Analytica Chimica Acta. 871:9-17.
Effective particle sizes of cohesive sediment in north Mississippi streams -
Kuhnle, R.A., Wren, D.G. 2015. Effective particle sizes of cohesive sediment in north Mississippi streams. Joint Federal Interagency Sedimentation and Hydrologic Modeling. Reno, Nevada, April 19-23, 2015. pp. 259-268.
Erosion depth of sand from an immobile gravel bed -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J. 2014. Erosion depth of sand from an immobile gravel bed. In: Sediment Dynamics from the Summit to the Sea, Y.J Xu (ed) IAHS, Wallingford, UK. pp. 117-121.
Acoustic measurement of suspensions of clay and silt particles using single frequency attenuation and backscatter Reprint Icon -
Carpenter, W.O., Goodwiller, B.T., Chambers, J.P., Wren, D.G., Kuhnle, R.A. 2014. Acoustic measurement of suspensions of clay and silt particles using single frequency attenuation and backscatter. Applied Acoustics. 85:123-129.
Laboratory experiments on dam-break flow of water-sediment mixtures -
Ozeren, Y., Rui, A., Altinakar, M., and Wren, D. G. Laboratory experiments on dam-break flow of water-sediment mixtures. River Flow 2014, International Conference on Fluvial Hydraulics, Lausanne, Switzerland, September 3-5, 2014.
Studies in wave barrier design and levee erosion -
Wren, D.G., Ozeren, Y. 2014. Studies in wave barrier design and levee erosion. Completion report for Natural Resources Conservation Project entitled, "Updating NRCS technical release #56 with floating wave barrier guidance. Laboratory Publication. 76 pp.
Velocity field measurements in tailings dam failure experiments using a combined PIV-PTV approach -
Predicting bed load transport of sand and gravel on Goodwin Creek Reprint Icon -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J. 2014. Predicting bed load transport of sand and gravel on Goodwin Creek. Journal of Hydro-environment Research. 8(2):153-163.
A note on acoustic measurements of turbulence, suspended sediment, and bed forms in mobile bed experiments Reprint Icon -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A. 2014. A note on acoustic measurements of turbulence, suspended sediment, and bed forms in mobile bed experiments. Journal of Hydro-environment Research. 8:(2)164-173.
Turbulent flow and sand transport over a cobble bed -
Wren, D.G., Kuhnle, R.A., Langendoen, E.J., Rigby Jr, J.R. 2014. Turbulent flow and sand transport over a cobble bed. Journal of Hydraulic Engineering. 140(4). doi: 04014001. 2014.
Turbulence structure and sand transport over gravel and cobble beds in laboratory flumes -
Wren, D.G., Kuhnle, R.A., Langendoen, E.J., Pellachini, C. 2013. Turbulence structure and sand transport over gravel and cobble beds in laboratory flumes. In: Venditti, J. G., Best, J. L., Church, M., and Hardy, R. J. Coherent Flow Structures at Earth's Surface. Chichester, UK. John Wiley & Sons, Ltd, p. 341-357.
Laboratory and field investigations of marsh edge erosion -
Chen, Q., Ozeren, Y., Zhang, G., Wren, D., Wu, W., Jadhav, R., Parker, K., and Pant, H. Laboratory and field investigations of marsh edge erosion. pp 311-337 In Abdul, K. and Wu, W. (eds.) Sediment Transport: Monitoring, Modeling and Management. Nova Science Publishers, Inc. 390 pp. 2013.
Experimental investigation of wave attenuation through model and live vegetation -
Effects of silt loading on turbulence and sand transport -
Wren, D.G., Kuhnle, R.A. 2012. Effects of silt loading on turbulence and sand transport. International Journal of Sediment Research. 27(4):451-459.
Phase II Report for SERRI Project No. 80037: Investigation of surge and wave reduction by vegetation (Phase II) -
Wu, W., Ozeren, Y., Wren, D.G., Chen, Q., Zhang, G., Holland, M., Marsooli, R., Lin, Q., Jadhave, R., Parker, K., Pant, H., Bouanchaud, J., Chen, Y. 2012. Phase II Report for SERRI Project No. 80037: Investigation of surge and wave reduction by vegetation (Phase II). Government Publication/Report. SERRI Report No. 80037-02:1-397.
Observations on the use of acoustic Doppler velocimeters over rough beds with suspended sediment -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A., Pellachini, C. 2012. Observations on the use of acoustic Doppler velocimeters over rough beds with suspended sediment. Hydraulic Measurements and Experimental Methods Conference, Snowbird, Utah. 7 pp. CD-ROM.
Water surface capturing by image processing -
Ozeren, Y., and Wren, D. G. Water surface capturing by image processing. Hydraulic Measurements and Experimental Methods Conference, Snowbird, Utah. 6 pp. 2012. CD-ROM.
Comparison and assessment of four sediment particle-size analysis methodologies -
Rigby, J. R. and Wren, D. G. Comparison and assessment of four sediment particle-size analysis methodologies. Hydraulic Measurements and Experimental Methods Conference, Snowbird, Utah. 5 pp. 2012. CD-ROM.
Performance assessment and calibration of a profiling lab-scale acoustic Doppler velocimeter for application over mixed sand-gravel beds -
Ursic, M., Langendoen, E. J., Wren, D. G., Kuhnle, R. A., and Pellachini, C. Performance assessment and calibration of a profiling lab-scale acoustic Doppler velocimeter for application over mixed sand-gravel beds. Hydraulic Measurements and Experimental Methods Conference, Snowbird, Utah. 6 pp. 2012. CD-ROM.
Using terrestrial LIDAR to characterize morphology and texture of a sand and gravel bed in a laboratory flume -
Ursic, M., Langendoen, E. J., Momm, H., Wren, D. G., and Kuhnle, R. A. Using terrestrial LIDAR to characterize morphology and texture of a sand and gravel bed in a laboratory flume. Hydraulic Measurements and Experimental Methods Conference, Snowbird, Utah. 6 pp. 2012. CD-ROM.
Sand transport over an immobile gravel substrate -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J., Rigby Jr, J.R. 2013. Sand transport over an immobile gravel substrate. Journal of Hydraulic Engineering. 139(2):167-176.
Analysis of vegetation effect on waves using a vertical 2-D RANS model -
Wu, W., Zhang, M., Ozeren, Y., Wren, D.G. 2013. Analysis of vegetation effect on waves using a vertical 2-D RANS model. Journal of Coastal Research. 29(2):383-397.
Laboratory measurements of wave attenuation through model and live vegetation -
Ozeren, Y. and Wren, D. G. Laboratory measurements of wave attenuation through model and live vegetation. In: Coastal Hazards pp 45–56. American Society of Civil Engineers. doi: 10.1061/9780784412664.005. 2013.
Using lake sedimentation rates to quantify the effectiveness of erosion control in watersheds -
Wren, D.G., Davidson, G.R. 2011. Using lake sedimentation rates to quantify the effectiveness of erosion control in watersheds. Journal of Soil and Water Conservation. 66(5):313-322. doi.10.1029/2010JF001859.2011.
Assessing sedimentation issues within aging of flood-control reservoirs -
Bennett, S.J., Dunbar, J.A., Rhoton, F.E., Allen, P.M., Bigham, J.M., Davidson, G.R., Wren, D.G. 2013. Assessing sedimentation issues within aging of flood-control reservoirs. Book Chapter. 21:25-44 doi:10.1130/2013.4121(03).
Phase I Report for SERRI Project No. 80037: Investigation of surge and wave reduction by vegetation -
Wu, W., Ozeren, Y., Wren, D.G., Chen, Q., Zhang, G., Holland, M., Ding, Y., Kuiry, S.N., Zhang, M., Jadhave, R., Chatagnier, J., Chen, Y., Gordji, L. 2011. Phase I Report for SERRI Project No. 80037: Investigation of surge and wave reduction by vegetation. Laboratory Publication. 1:315.
Experimental Investigation of Cylindrical Floating Breakwater Performance with different mooring configurations -
Ozeren, Y., Wren, D.G., Altinakar, M., Work, P.A. 2011. Experimental investigation of cylindrical floating breakwater performance with different mooring configurations. Journal of Waterway, Port, Coastal and Ocean Engineering. doi:10.1061/(ASCE)WW.1943-5460.0000090.
Effects of sand addition on turbulent flow over an immobile gravel bed -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A. 2011. Effects of sand addition on turbulent flow over an immobile gravel bed. Journal of Geophysical Research. 116 doi:10.1029/2010JF001859.
Connectivity and variability: metrics for riverine floodplain backwater rehabilitation -
Shields Jr, F.D., Knight, S.S., Lizotte Jr, R.E., Wren, D.G. 2011. Connectivity and variability: metrics for riverine floodplain backwater rehabilitation. In: Simon, A., Bennett, S., Castro, J., and Thorne, C. R. (eds.), The Scientific Basis for Stream Restoration in Dynamic Fluvial Systems: Deterministic Approaches, Analyses and Tools. American Geophysical Union. 2010, Geophysical Monograph Series 194, pp. 233-246, DOI:10.1029/2010GM000985.
Sand Transport, Flow Turbulence, and Bed Forms over an Immobile Gravel Bed -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J. 2010. Sand Transport, Flow Turbulence, and Bed Forms over an Immobile Gravel Bed. 11th International Symposium on River Sedimentation, Stellenbosch, South Africa, 6-9 September, 2010. CD (Conference Proceedings)
An Experimental Study of Sand Transport over an Immobile Gravel Substrate -
Kuhnle, R.A., Wren, D.G., Langendoen, E.J. 2010. An Experimental Study of Sand Transport over an Immobile Gravel Substrate. 2nd Joint Federal Interagency Sedimentation Conference, Las Vegas, NV, June 27-July 1, 2010. CD (Conference Proceedings)
Floodplain Backwater Restoration: A Case Study -
Shields Jr, F.D., Knight, S.S., Lizotte Jr, R.E., Bryant, C.T., Wren, D.G. 2010. Floodplain backwater restoration: A case study. Proceedings, 9th Federal Interagency Sedimentation Conference, Joint Federal Interagency Conference Organizing Committee, Washington, D.C., CD-ROM.
Effects of local immobile gravel bed elevation on turbulence -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A. 2010. Effects of Local Immobile Gravel Bed Elevation on Turbulence. Federal Interagency Sedimentation Conference Proceedings. CD Conference Proceedings. 9 pages.
Acoustic Measurement of Suspended Fine Particle Concentrations by Attenuation -
Carpenter, W.O., Chambers, J.P., Wren, D.G., Kuhnle, R.A., Diers, J.A. 2009. Acoustic Measurement of Suspended Fine Particle Concentrations by Attenuation. USDA ARS national Sedimentation Laboratory Research Report No. 67, 62 p. (Funded research project completion report)
Acoustic measurements of clay-size particles -
Carpenter, W.O., Chambers, J.P., Wren, D.G., Kuhnle, R.A., Diers, J.A. 2009. Acoustic measurements of clay-size particles. Journal of the Acoustical Society of America. 126(6):190-195.
Reservoir sedimentation research at the National Sedimentation Laboratory -
Wren, D.G., Davidson, G.R., Bennett, S.J., Hickey, C. 2009. Reservoir sedimentation research at the National Sedimentation Laboratory. National Sedimentaton Laboratory (NSL)- 50 Years of Soil & Water Research in a Changing Agricultural Environment. 113-133.
Experimental and Numerical Investigations of Floating Breakwater Performance. -
Ozeren, Y., Wren, D.G., Alonso, C.V. 2009. Experimental and Numerical Investigations of Floating Breakwater Performance. Laboratory Publication. #65
Flow and sand transport over an immobile gravel bed. -
Wren, D.G., Langendoen, E.J., Kuhnle, R.A. 2009. Flow and sand transport over an immobile gravel bed. Congress of International Association for Hydraulic Research Proceedings. 8 pages. August 9-14/2009.
Predicting wind-driven waves in small reservoirs -
Ozeren, Y., Wren, D.G. 2009. Predicting wind-driven waves in small reservoirs. Transactions of the ASABE. 52(4):1213-1221.
Measurement and prediction of the size of suspended sediment over dunes -
Kuhnle, R.A., Wren, D.G. 2009. Measurement and prediction of the size of suspended sediment over dunes. Proceedings of the 33rd International Association of Hydrdaulic Research Congress. Water Engineering for a Sustainable Environment. Vancouver, British Columbia, Canada, 8 pp. August 9-14, 2009 (Peer-Reviewed Conference Proceedings
Size of Suspended Sediment over Dunes -
Kuhnle, R.A., Wren, D.G. 2009. Size of Suspended Sediment over Dunes. Journal of Geophysical Research. 114, F02020, doi:10.1029/2008JF001200
Towards a Basis for Designing Backwater and Side Channel Restorations -
Shields Jr, F.D., Knight, S.S., Stofleth, J.M., Wren, D.G. 2009. Towards a Basis for Designing Backwater and Side Channel Restorations. Water Engineering for a Sustainable Environment, Proceedings, International Association for Hydraulic Research 33rd Congress, IAHR, Madrid, CD-ROM.
Measurements of Coupled Fluid and Sediment Motion Over Mobile Sand Dunes in a Laboratory Flume -
Wren, D.G., Kuhnle, R.A. 2008. Measurements of Coupled Fluid and Sediment Motion Over Mobile Sand Dunes in a Laboratory Flume. International Journal of Sediment Research. Vol. 23 (4) pp.329-337.
Development of Floating Wave Barriers for Cost Effective Protection of Irrigation Pond Levees -
Ozeren, Y., Wren, D.G., Alonso, C.V. 2008. Development of Floating Wave Barriers for Cost Effective Protection of Irrigation Pond Levees. Transactions of the ASABE. 51(5): 1599-1612.
Experimental sediment transport research at the USDA National Sedimentation Laboratory -
Kuhnle, R.A., Wren, D.G., Alonso, C.V. 2008. Experimental sediment transport research at the USDA National Sedimentation Laboratory. National Sedimentaton Laboratory (NSL)- 50 Years of Soil & Water Research in a Changing Agricultural Environment. p. 45-65.
Practical Implications of Quantifying Ancient Sedimentation Rates in Lakes -
Wren, D.G., Davidson, G.R. 2008. Practical Implications of Quantifying Ancient Sedimentation Rates in Lakes. Journal of Soil and Water Conservation. 63(3): 89A.
The Evolution of an Oxbow Lake in the Mississippi Alluvial Floodplain -
Wren, D.G., Davidson, G.R., Walker, W.G., Galicki, S.J. 2008. The Evolution of an Oxbow Lake in the Mississippi Alluvial Floodplain. Journal of Soil and Water Conservation. 6(3): 129-135.
Size of Suspended Sediment Over Dunes -
Kuhnle, R.A., Wren, D.G. 2007. Size of Suspended Sediment Over Dunes. In: Proceedings of Hydraulic Measurements and Experimental Methods Conference, Lake Placid, NY, p. 274-279.
Time Scales in Turbulence and Sediment Concentration Over Mobile Sand Dunes -
Wren, D.G., Kuhnle, R.A. 2007. Time Scales in Turbulence and Sediment Concentration Over Mobile Sand Dunes. Environmental and Water Resources Institute World Congress Proceedings. 6 pp. 2007. CD-ROM
Accurate lacustrine and wetland sediment accumulation rates determined from 14c activity of bulk sediment fractions -
Walker, W.G., Davidson, G.R., Lange, T., Wren, D.G. 2007. Accurate lacustrine and wetland sediment accumulation rates determined from 14c activity of bulk sediment fractions. Radiocarbon. 49(2):983-992.
Measurements of the relationship between turbulence and sediment in suspension over mobile sand dunes in a laboratory flume -
Wren, D.G., Kuhnle, R.A., Wilson, C. 2007. Measurements of the relationship between turbulence and sediment in suspension over mobile sand dunes in a laboratory flume. Journal of Geophysical Research. 112:F03009, doi:10.1029/2006JF000683.
PREDICTION OF THE GRAIN SIZE OF SUSPENDED SEDIMENT: IMPLICATIONS FOR CALCULATING SUSPENDED SEDIMENT CONCENTRATIONS USING SINGLE FREQUENCY ACOUSTIC BACKSCATTER -
Kuhnle, R.A., Wren, D.G., Chambers, J.P. 2007. Prediction of the grain size of suspended sediment: implications for calculating suspended sediment concentrations using single frequency acoustic backscatter. International Journal of Sediment Research, 22(1): 1-15.
Sedimentation in three small erosion control reservoirs in northern Mississippi -
Wren, D.G., Wells, R.R., Wilson, C.G., Cooper, C.M., Smith Jr, S. 2007. Sedimentation in three small erosion control reservoirs in northern Mississippi. Journal of Soil and Water Quality. 62(3): 137-144.
Closure to discussion of “Distributions of velocity, turbulence, and suspended sediment over low-relief antidunes" by Wu, P. and Jin, Y.C. -
Wren, D.G., Bennett, S.J., Barkdoll, B.D., Kuhnle, R.A. 2006. Closure to discussion of “Distributions of velocity, turbulence, and suspended sediment over low-relief antidunes" by Wu, P. and Jin, Y.C. Journal of Hydraulic Research IAHR. 44(5):718-720.
Practical guidance for discharge and water quality data collection on small watersheds -
Harmel, R.D., King, K.W., Haggard, B.E., Wren, D.G., Sheridan, J.M. 2006. Practical guidance for discharge and water quality data collection on small watersheds. Transactions of the ASABE. 49(4):937-948.
SEDIMENTATION IN THREE SMALL EROSION CONTROL RESERVOIRS IN NORTH MISSISSIPPI -
Wren, D.G., Wells, R.R., Wilson, C.G., Cooper, C.M., Leary, D., Hickey, C.J. 2006. Sedimentation in three small erosion control reservoirs in north Mississippi. In: Proceedings of the 8th Federal Interagency Sedimentation Conference, April 2-6, 2006, Reno, Nevada. CDROM.
ESTIMATION OF PARTICLE SIZES FOR A RANGE OF NARROW SIZE DISTRIBUTIONS OF NATURAL AND SUSPENDED IN WATER USING MULTIFREQUENCY ACOUSTIC BACKSCATTER -
Smith, C.K., Wren, D.G., Chambers, J.P. 2006. Estimation of particle sizes for a range of narrow size distributions of natural and suspended in water using multifrequency acoustic backscatter. In: Proceedings of the 8th Federal Interagency Sedimentation Conference, April 2-6, 2006, Reno, Nevada. CDROM.
DEVELOPMENT OF AN ACOUSTIC SUSPENDED SEDIMENT MONITORING SYSTEM -
Kleinert, D.E., Wren, D.G., Smith, C.K., Chambers, J.P. 2006. Development of an acoustic suspended sediment monitoring system. In: Proceedings of the 8th Federal Interagency Sedimentation Conference, April 2-6, 2006, Reno, Nevada. CDROM.
ACOUSTIC PROFILING OF SEDIMENT ACCUMULATION IN THREE SMALL EROSION CONTROL RESERVOIRS IN NORTH MISSISSIPPI -
Leary, D., Hickey, C.J., Wren, D.G. 2006. Acoustic profiling of sediment accumulation in three small erosion control reservoirs in north Mississippi. In: Proceedings of the 8th Federal Interagency Sedimentation Conference, April 2-6, 2006, Reno, Nevada. CDROM.
PREDICTION OF THE GRAIN SIZE OF SUSPENDED SEDIMENT; IMPLICATIONS FOR CALCULATING SUSPENDED SEDIMENT CONCENTRATIONS USING SINGLE FREQUENCY ACOUSTIC BACKSCATTER -
Kuhnle, R.A., Wren, D.G., Chambers, J.P. 2006. Prediction of the grain size of suspended sediment; implications for calculating suspended sediment concentrations using single frequency acoustic backscatter. In: Proceedings of the 8th Federal Interagency Sedimentation Conference, April 2-6,2006, Reno, Nevada. CDROM.
VELOCITY AND SUSPENDED-SEDIMENT MEASUREMENTS OVER MOBILE SAND DUNES IN A LABORATORY FLUME -
Wren, D.G., Kuhnle, R.A., Wilson, C.G. Velocity and suspended-sediment measurements over mobile sand dunes in a laboratory flume. Environmental and Water Resources Institute World Congress Proceedings. Available: http://ascelibrary.org/2005conferences/ASCECP000173040792
DISTRIBUTIONS OF VELOCITY, TURBULENCE, AND SUSPENDED SEDIMENT OVER LOW-RELIEF ANTIDUNES -
Wren, D.G., Bennett, S.J., Barkdoll, B.D., Kuhnle, R.A. 2005. Distributions of velocity, turbulence, and suspended sediment over low-relief antidunes. Journal of Hydraulic Research. 43(1): 3-11.
Last Modified: 8/26/2016
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