Projects

ACOUSTIC AND GEOPHYSICAL TECHNOLOGY DEVELOPMENT FOR IMPROVING ASSESSMENT AND MONITORING OF EROSION AND SEDIMENT TRANSPORT IN WATERSHEDS... Appropriated (D)   Accession Number: 422642

TECHNOLOGIES FOR MANAGING WATER AND SEDIMENT MOVEMENT IN AGRICULTURAL WATERSHEDS Appropriated (D)   Accession Number: 422751

IMPROVING COMPUTATIONAL MODELING IN SUPPORT OF BETTER EROSION AND SEDIMENT MOVEMENT CONTROL IN AGRICULTURAL WATERSHEDS Appropriated (D)   Accession Number: 422913

ESTIMATING HISTORIC FLUVIAL SEDIMENT DEPOSITION IN THE TOBITUBBY AND HURRICANE VALLEYS IN NORTH MISSISSIPPI Nonfunded Cooperative Agreement (N)   Accession Number: 414797

ACOUSTIC AND GEOPHYSICAL TECHNOLOGY DEVELOPMENT FOR IMPROVING ASSESSMENT AND MONITORING SEDIMENT TRANSPORT IN WATERSHEDS, & THE INTEGRITY.. Specific Cooperative Agreement (S)   Accession Number: 421536

Improving Computational Modeling in Support of Better Erosion and Sediment Movement Control in Agricultural Watersheds Specific Cooperative Agreement (S)   Accession Number: 421643

Maxium Sediment Capacity of Saltating Sediment Size Mixtures Specific Cooperative Agreement (S)   Accession Number: 422099

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Spatiotemporal Urban Land Use Changes in the Changzhutan Region of Hunan Province in China - (Peer Reviewed Journal) - (18-Feb-13)

Soil erodibility for water erosion: A perspective and Chinese experiences - (Peer Reviewed Journal)

Wang, B., Zheng, F., Romkens, M.J., Darboux, F. 2013. Soil erodibility for water erosion: A perspective and Chinese experiences. Geomorphology. 187: 1-10.

The role of soil surface water regimes and raindrop impact on hillslope soil erosion and nutrient losses - (Peer Reviewed Journal)

An, J., Zheng, F., Romkens, M.J., Li, G., Yang, Q., Wen, L., Wang, B. 2013. The role of soil surface water regimes and raindrop impact on hillslope soil erosion and nutrient losses. Natural Hazards. DOI 10.1007/s11069-013-0570-9. 67:411-430.

Comparison of soil erodibility factors in USLE, RUSLE2, EPIC and Dg models based on a Chinese soil erodibiity database. - (Peer Reviewed Journal)

Wang, B., Zheng, F., Romkens, M.J. 2013. Comparison of soil erodibility factors in USLE, RUSLE2, EPIC and Dg models based on a Chinese soil erodibiity database.. Acta Agriculturae Scandinavica, Section B - Soil & Plant Science. 63(1): 69-79.

A phenomenological study of sediment transport in shallow overland flow - (Peer Reviewed Journal)

Romkens, M.J., Suryadevara, M.R., Prasad, S.N. 2013. A phenomenological study of sediment transport in shallow overland flow. Transactions of the ASABE. 56(2):515-522.

Calculation of exit gradients at drainage ditches - (Book / Chapter)

Romkens, M.J. 2011. Calculation of exit gradients at drainage ditches. Landform Analysis. 17:151-153.

Effects of grass and shrub cover on the critical unit stream power in overland flow - (Peer Reviewed Journal)

Xiao, P., Yao, W., Romkens, M.J. 2011. Effects of grass and shrub cover on the critical unit stream power in overland flow. International Journal of Sediment Research. 26:(3)387-394.

Sediment transport in shallow overland flow - (Proceedings)

Suryadevara, M., Romkens, M.J., Prasad, S. 2011. Sediment transport in shallow overland flow. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). 711P0311cd: Paper 11045. 8 pp. CDROM.

Phenomena of drag reduction on saltating sediment in shallow, supercritical flows - (Proceedings)

Prasad, S.N., Suryadevara, M.R., Romkens, M.J. 2011. Phenomena of drag reduction on saltating sediment in shallow, supercritical flows. International Association of Hydraulic Research International Symposiumon Ruver, Coastal, and Estuarine Morphodynamics, Tsinghua University Press, Beijing, PRC. Theme A: 14-22. CDROM.

Seepage and seepage gradients in an homogeneous, isotropic aquifer with drains as a function of soil properties and flow region geometry - (Abstract Only) - (31-Jan-11)

Effect of land use and land cover change on soil erosion and the spatio-temporal variation in Liupan Mountains Region, Southern Ningxia, China - (Peer Reviewed Journal)

Quan, B., Romkens, M.J., Li, R., Wang, F., Chen, J. 2011. Effect of land use and land cover change on soil erosion and the spatio-temporal variation in Liupan Mountains Region, Southern Ningxia, China. Frontiers of Environmental Science and Engineering in China. 5(4):564-572. DOI 10.1007/s11783-011-0348-9.

The Effect of the Subsurface Soil Water Regime on Sediment Production and Movement - (Proceedings)

Romkens, M.J. 2010. The Effect of the Subsurface Soil Water Regime on Sediment Production and Movement. International Symposium on River Sedimentation. CD ROM.

Erosion and sedimentation research in agricultural watersheds in the USA: From past to present and beyond - (Book / Chapter)

Romkens, M.J. 2010. Erosion and sedimentation research in agricultural watersheds in the USA: From past to present and beyond. In: Sediment Dynamics for a Changing Future. K. Banasik, A.J. Horowitz, P.N. Owens, M. Stone and D.E. Walling (Eds.): IAHS Publ. 337:17-26.

Current Erosion and Sediment Research Concerns in Agricultural Watersheds in the USA - (Proceedings)

Romkens, M.J. 2010. Current Erosion and Sediment Research Concerns in Agricultural Watersheds in the USA. International Symposium on River Sedimentation. 43-51.

Subsurface exit gradients at a drainage ditch with lower water table than the groundwater table - (Proceedings)

Romkens, M.J. 2010. Subsurface exit gradients at a drainage ditch with lower water table than the groundwater table. Federal Interagency Sedimentation Conference Proceedings. (CD-ROM)

Formation and mechanics of granular waves in gravity and shallow overland flow - (Abstract Only)

Suryadevara, M.R., Prasad, S., Romkens, M.J. 2010. Formation and mechanics of granular waves in gravity and shallow overland flow. American Geophysical Union. (CD-ROM)

The National Sedimentation Laboratory: 50 Years of Soil and Water Research in a Changing Environment - (Peer Reviewed Journal)

Langendoen, E.J., Shields Jr, F.D., Romkens, M.J. 2009. The National Sedimentation Laboratory: 50 Years of Soil and Water Research in a Changing Environment. Ecohydrology. 2:227-234.

Grain transport mechanics in shallow flow - (Peer Reviewed Journal)

Prasad, S., Suryadevarda, M.R., Romkens, M.J. 2009. Grain transport mechanics in shallow flow. Ecohydrology. 2:248-256.

Grain transport mechanics in shallow overland flow - (Proceedings) - (03-Sep-08)

Model development for evaluating USDA Conservation practices - (Proceedings)

Ascough, II, J.C., Romkens, M.J. 2008. Model development for evaluating USDA Conservation practices. Proceedings of the ASCE World Environmental and Water Resources Congress Conference. May 12-18,2008. Honolulu, HI. CD-ROM.

Measurements and analysis of sediment transport capacity in shallow overland flow - (Proceedings)

Prasad, S., Suryadevara, M., Romkens, M.J. 2008. Measurements and analysis of sediment transport capacity in shallow overland flow. International Soil Conservation Organization Conference Proceedings. May 18-23, 2008, Budapest, Hungary. CD-ROM.

A discussion of assumptions and solution approaches of infiltration into a cracked soil - (Proceedings)

Romkens, M.J., Prasad, S.N. 2007. A discussion of assumptions and solution approaches of infiltration into a cracked soil. Proceedings of the International Yellow River Forum. Vol. I:392-400.

Ephemeral Gully Erosion by Preferential Flow Through a Discontinuous Soil-Pipe - (Peer Reviewed Journal)

Wilson, G.V., Cullum, R.F., Romkens, M.J. 2008. Ephemeral Gully Erosion by Preferential Flow Through a Discontinuous Soil-Pipe. Catena, 73(1): 98-106.

Land suitability assessment and land use change in Fujian Province, China - (Peer Reviewed Journal)

Quan, B., Zhu, H., Romkens, M.J. Land suitability assessment and land use change in Fujian Province, China. Pedosphere. 17(4):493-504. 2007

Post Saltation Sediment Transport by Shallow Super Critical Flows - (Proceedings)

Rao, S.M., Prasad, S.N., Romkens, M.J. 2007. Post Saltation Sediment Transport by Shallow Super Critical Flows. International Symposium on River Sedimentation, Moscow, Russia, Aug. 1-4, 2007. CD-ROM

A SIMPLE TECHNIQUE FOR MEASURING WETTING FRONT DEPTHS FOR SELECTED SOILS - (Peer Reviewed Journal)

Wells, R.R., Romkens, M.J., Parlange, J., Dicarlo, D.A., Steenhuis, T.S., Prasad, S.N. 2007. A simple technique for measuring wetting front depths for selected soils. Soil Science Society of America Journal 71(3): 669-673.

Soil erosion predictions from upland areas – a discussion of selected RUSLE2 advances and needs - (Proceedings)

Foster, G., Romkens, M.J., Dabney, S.M. 2006. Soil erosion predictions from upland areas – a discussion of selected RUSLE2 advances and needs. Beijing, China, Nov. 25-26, 2006. Proceedings of the Sino-American Workshop on Advanced Computational Modeling in Hydroscience and Engineering.

Rain infiltration into swelling/shrinking/cracking soils - (Peer Reviewed Journal)

Romkens, M.J., Prasad, S. 2006. Rain infiltration into swelling/shrinking/cracking soils. Agricultural Water Management. 86:196-205.

SOIL DEFORMATION AND ITS SPECTRAL SIGNATURE - (Peer Reviewed Journal)

Wells, R.R., Prasad, S.N., Romkens, M.J. 2007. Soil deformation and its spectral signature. Earth Surface Processes and Landforms. 32(5):786-793.

PIPE FLOW IMPACTS ON EPHEMERAL GULLY EROSION - (Proceedings)

Wilson, G.V., Cullum, R.F., Romkens, M.J. 2006. Pipe flow impacts on ephemeral gully erosion. Federal Interagency Sedimentation Conference Proceedings, April 2-6, 2006, Reno, Nevada. CDROM.

SPATIAL-TEMPORAL PATTERN AND DRIVING FORCES OF LAND USE CHANGES IN XIAMEN - (Peer Reviewed Journal)

Quan, B., Chen, J., Qui, H., Romkens, M.J., Yang, X., Li, B. 2006. Spatial-temporal pattern and driving forces of land use changes in Xiamen. Pedosphere. 16(4):477-488.

SEDIMENT TRANSPORT RESEARCH IN SHALLOW OVERLAND FLOW - (Proceedings)

Romkens, M.J., Rao, S., Prasad, S. 2006. Sediment transport research in shallow overland flow. Federal Interagency Sedimentation Conference Proceedings, April 2-6, 2006, Reno, Nevada. CDROM.

Macropore Flow and Mass Wasting of Gullies in the Loess Plateau, China - (Peer Reviewed Journal)

Wilson, G.V., Xu, M., Chen, Y., Liu, G., Romkens, M.J. 2005. Macropore Flow and Mass Wasting of Gullies in the Loess Plateau, China. International Journal of Sediment Research. 20(3): 249-258.

SEDIMENT TRANSPORT RESEARCH IN SHALLOW OVERLAND FLOW: A PHENOMENOLOGICAL DESCRIPTION - (Abstract Only) - (09-Nov-05)

HYDROLOGICALLY DRIVEN MECHANISMS OF HEADCUT DEVELOPMENT - (Peer Reviewed Journal)

Romkens, M.J., Prasad, S. 2005. Hydrologically driven mechanisms of headcut development. International Journal of Sediment Research. 20(3):176-184.

EXPERIMENTAL OBSERVATIONS OF THE EFFECT OF PARTICLE INTERACTIONS ON THE TRANSPORT CAPACITY IN SHALLOW OVERLAND FLOW - (Proceedings)

Prasad, S.N., Suryadevara, M.R., Romkens, M.J. 2005. Experimental observations of the effect of particle interactions on the transport capacity in shallow overland flow. Proceedings of the 2nd International Yellow River Forum, Zhengzhou, P. R. China, Oct. 16-21, 2005. II:351-361.

OPTICAL MEASUREMENTS OF GRAIN VELOCITY AND SEDIMENT CONCENTRATION IN SHALLOW UPLAND FLOWS - (Proceedings)

Suryadevard, M.R., Prasad, S.N., Romkens, M.J. 2004. Optical measurements of grain velocity and sediment concentration in shallow upland flows. International Symposium on River Sedimentation. CD ROM

CONSERVATION EFFECTS ASSESSMENT PROJECT (CEAP) WATERSHED ASSESSMENT STUDIES: YALOBUSHA RIVER WATERSHED [ABSTRACT] - (Abstract Only)

Wilson, G.V., Rhoton, F.E., Romkens, M.J., Dicarlo, D.A., Dabney, S.M., Oldham, L., Cooper, C.M. 2004. Conservation Effects Assessment Project (CEAP) watershed assessment studies: Yalobusha River Watershed [abstract]. Agronomy Abstracts #3411.

SEDIMENT TRANSPORT CAPACITY OF SHALLOW FLOWS IN UPLAND AREAS - (Proceedings)

Prasad, S., Rao, S., Romkens, M.J. 2004. Sediment transport capacity of shallow flows in upland areas. Paper 659. International Soil Conservation Organization Conference Proceedings. July, 2004. Brisbane, Queensland, Australia. CD-ROM.

THE CHANGING NATURE OF USDA AGRICULTURAL WATERSHED RESEARCH - (Proceedings)

Romkens, M.J. 2004. The changing nature of USDA agricultural watershed research. International Hydro-Science & Engineering International Proceedings. (CD/ROM) May, 2004. Brisbane, Queensland, Australia. National Center for Hydroscience & Engineering.

MECHANICAL ENERGY AND SUBSURFACE HYDROLOGIC EFFECTS IN HEAD-CUT PROCESSES - (Proceedings)

Prasad, S.N., Romkens, M.J. 2004. Mechanical energy and subsurface hydrologic effects in head-cut processes. International Symposium on Gully Erosion Under Global Change Proceedings. 109-120.

INFILTRATION AND SURFACE GEOMETRY FEATURES OF A SWELLING SOIL FOLLOWING SUCCESSIVE SIMULATED RAINSTORMS - (Peer Reviewed Journal)

Wells, R.R., Dicarlo, D.A., Steenhuis, T.S., Parlange, J., Romkens, M.J., Prasad, S.N. 2003. Infiltration and surface geometry features of a swelling soil following successive simulated rainstorms. Soil Science Society of America Journal. 67:1344-1351.

USDA WATERSHED RESEARCH - AN EVOLUTION IN MISSION - (Book / Chapter)

Romkens, M.J., Richardson, C.W. 2004. USDA watershed research - an evolution in mission. American Chemical Society Monograph Series #877. Washington, DC. American Chemical Society, p. 16-29.

FERRIHYDRITE INFLUENCE ON INFILTRATION, RUNOFF AND SOIL LOSS - (Peer Reviewed Journal)

Soil Science Society of America Journal. 2003. V. 67, p. 1220-1226

ENERGY FORMULATIONS OF HEAD CUT DYNAMICS - (Peer Reviewed Journal)

PRASAD, S., ROMKENS, M.J. ENERGY FORMULATIONS OF HEAD CUT DYNAMICS. CATENA. 2003. Vol. 50, p. 469-487.

DEVELOPMENT OF A PREDICTIVE RELATIONSHIP FOR INFILTRATION INTO SWELLING/CRACKING SOILS: AN UPDATE - (Proceedings)

Romkens, M.J., Prasad, S.N., Dicarlo, D.A., Wells, R.R. 2002. Development of a predictive relationship for infiltration into swelling/cracking soils: an update. Federal Interagency Hydrologic Modeling Conference. (CD-ROM) Session 1.B.

SOIL EROSION BY WATER AND TILLAGE - (Book / Chapter)

Methods of Soil Analysis. Part 4 Physical Methods. SSSA Book Series, No. 5. 2002. p. 1621-1662.

INFILTRATION INTO SOIL WITH DYNAMIC SURFACE SEALS - (Proceedings)

Prasad, S., Romkens, M.J. 2002. Infiltration into soil with dynamic surface seals. 12th International Soil Conservation Organization Conference Proceedings. 2:92-98.

TRAPPED MULCH INCREASES SEDIMENT REMOVAL BY VEGETATIVE FILTER STRIPS: A FLUME STUDY - (Peer Reviewed Journal)

JIN, C.X., DABNEY, S.M., ROMKENS, M.J. TRAPPED MULCH INCREASES SEDIMENT REMOVAL BY VEGETATIVE FILTER STRIPS: A FLUME STUDY. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. Vol. 45(4), p. 929-939. 2002.

SOIL EROSION UNDER DIFFERENT RAINFALL INTENSITIES, SURFACE ROUGHNESS, AND SOIL WATER REGIMES - (Peer Reviewed Journal) - (10-Jun-01)

TILLAGE AND ROW POSITION AFFECT WATER INFILTRATION CHARACTERISTICS - (Peer Reviewed Journal) - (15-Feb-01)

MEASUREMENTS AND MODELS OF SOIL LOSS RATES - (Peer Reviewed Journal)

Nearing, M.A., Romkens, M.J., Norton, L.D., Stott, D.E., Rhoton, F.E., Laflen, J.M., Flanagan, D.C., Alonso, C.V., Bingner, R.L., Dabney, S.M. 2000. Measurements and models of soil loss rates. Science. 290(5495):1300-1301.

MODELING CUMULATIVE INFILTRATION INTO CRACKING SOILS - (Proceedings) - (01-Oct-00)

CYCLIC AND NON-CYCLIC PATTERNS OF BED ROUGHNESS IN ERODING RILLS - (Proceedings) - (01-Oct-00)

OPTIMAL MODE OF SEDIMENT TRANSPORT BY SHALLOW FLOWS IN UPLAND AREAS - (Peer Reviewed Journal) - (01-Oct-00)

ESTIMATING MANNING'S ROUGHNESS COEFFICIENT FOR SHALLOW OVERLAND FLOW IN NON-SUBMERGED VEGETATIVE FILTER STRIPS - (Peer Reviewed Journal) - (18-Jul-00)

SELF-SIMILARITY AND HEADCUT DYNAMICS: BASIC HYPOTHESES AND ANALYSIS - (Abstract Only) - (01-Jun-00)

A MORPHOLOGICAL STUDY OF HEADCUT GROWTH AND MIGRATION IN UPLAND CONCENTRATED FLOWS. - (Peer Reviewed Journal) - (01-May-00)

PERIODIC WAVES IN SHALLOW GRANULAR FLOWS - (Proceedings) - (01-Mar-00)

ON THE UNSTEADY SHALLOW FLOWS OF GRANULAR MATERIALS LONGITUDINAL SELF-ORGANIZATION - (Peer Reviewed Journal) - (16-Feb-00)

SEDIMENT YIELD - SURFACE TOPOGRAPHY RELATIONSHIPS FOR SELECTED MISSISSIPPI SOILS - (Peer Reviewed Journal) - (01-Dec-99)

AN IMPROVED SYNTRON VIBRA-FLOW SEDIMENT FEEDER FOR WIDE FEEDING - (Peer Reviewed Journal) - (01-Oct-99)

MODELING DEPOSITION PROCESSES IN VEGETATIVE FILTER STRIPS - (Peer Reviewed Journal) - (01-Oct-99)

ENTWICKLUNG VON ABFLUSSMUSTERN UND IHRE BEDEUTUNG FUR DEN SEDIMENTTRANSPORT - (Proceedings) - (30-Jul-99)

SOIL EROSION ON UPLAND AREAS UNDER DIFFERENT HYDROLOGIC REGIMES AND SOIL SURFACE CONDITIONS - (Peer Reviewed Journal) - (30-Aug-98)

EROSIONAL DEVELOPMENT OF SMALL SCALE DRAINAGE NETWORKS - (Book / Chapter) - (01-Jul-98)

IRON OXIDES - ERODIBILITY INTERACTIONS FOR SOILS OF THE MEMPHIS CATENA - (Peer Reviewed Journal) - (11-May-98)

RAIN INFILTRATION INTO CRACKING SOILS - (Peer Reviewed Journal) - (10-May-98)

WATER DISTRIBUTION IN A FRAGIPAN SOIL DURING THE GROWING SEASON - (Peer Reviewed Journal) - (30-Jan-98)

DRAINAGE NETWORK CHARACTERISTICS ON ERODING SOIL SURFACES - (Peer Reviewed Journal) - (01-Jun-97)

DYNAMICS OF HEAD-CUTS IN UPLAND CONCENTRATED FLOWS - (Abstract Only) - (01-Jun-97)

DYNAMICS OF HEAD-CUTS IN UPLAND CONCENTRATED FLOWS - (Proceedings) - (01-May-97)

EFFECT OF NEGATIVE SOIL WATER PRESSURES ON SEDIMENT CONCENTRATION IN RUNOFF - (Proceedings) - (07-Mar-97)

ROUGHNESS AND SEALING EFFECT ON SOIL LOSS AND INFILTRATION ON A LOW SLOPE - (Proceedings) - (04-Feb-97)

SOIL ERODIBILITY FACTOR (K) - (Government Publication) - (01-Jan-97)

SOIL LOSS BY SPLASH AND WASH DURING RAINFALL FROM TWO LOESS SOILS - (Peer Reviewed Journal) - (15-Oct-96)

SEDIMENT CONCENTRATION IN RELATION TO SURFACE AND SUBSURFACE HYDROLOGIC SOIL CONDITIONS - (Proceedings) - (10-Mar-96)

INTERACTIONS OF SOUND WITHIN AGRICULTURAL SOILS - (Proceedings) - (10-Mar-96)

THE ACOUSTIC PROBE FOR USE IN SOILS: ROUND ROBIN TEST - (Abstract Only) - (03-Nov-95)

SOIL AND CROP MEASUREMENTS NEEDED IN AGRICULTURAL RESEARCH: CAN ACOUSTICALTECHNIQUES PROVIDE THE ANSWERS? - (Proceedings) - (07-Sep-95)

PROBE MICROPHONE INSTRUMENTATION FOR DETERMINING SOIL PHYSICAL PROPERTIES - (Peer Reviewed Journal) - (16-Jun-95)