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Mark Weltz (PhD)
Great Basin Rangelands Research
Research Leader

Phone: (775) 784-6057 ext. 229
Fax: (775) 784-1712
Room 3

USDA, ARS, PWA, GBRRU
920 VALLEY ROAD
RENO, NV 89512
Projects
Management and Restoration of Rangeland Ecosystems
In-House Appropriated (D)
  Accession Number: 436118
Integrating Ecological Process Knowledge into Effective Management of Invasive Plants in Great Basin Rangelands
In-House Appropriated (D)
  Accession Number: 439311
Sustainable Use of Rangelands and Grasslands Resources for Improved Livelihoods
Grant (G)
  Accession Number: 435447
Applying Rangeland Hydrology & Erosion Models on Pastures and Annual Grasslands
Interagency Reimbursable Agreement (I)
  Accession Number: 433467
Rangeland Assessment and Beef Livestock Production Value Chain Assessment
Non-Funded Cooperative Agreement (N)
  Accession Number: 435294
Assessing Sustainable Rangeland Livestock Production Systems in Kazakhstan
Reimbursable Cooperative Agreement (R)
  Accession Number: 437090
Assessing Wind and Water Erosion on Western Rangelands
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437889
Assessing Benefits of Conservation Practices on Rangelands and Pastures with the Rangeland Hydrology and Erosion Model
Non-Assistance Cooperative Agreement (S)
  Accession Number: 433944

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A strategic plan for future USDA- Agricultural Research Service erosion research and model development - (Peer Reviewed Journal)
Salts transport from a moderately saline-alkaline rangeland soil using rainfall simulation - (Peer Reviewed Journal)
Temporally downscaling a precipitation intensity factor for soil erosion modeling using the NOAA-ASOS weather station network Reprint Icon - (Peer Reviewed Journal)
Fullhart, A.T., Nearing, M.A., McGehee, R., Weltz, M.A. 2020. Temporally downscaling a precipitation intensity factor for soil erosion modeling using the NOAA-ASOS weather station network. Catena. 194. https://doi.org/10.1016/j.catena.2020.104709.
Temporarily downscaling precipitation intensity factors for KÖPPEN Climate Regions in the U.S. - (Peer Reviewed Journal)
Mapping erosion risk for saline rangelands of the Mancos Shale using the rangeland hydrology erosion model Reprint Icon - (Peer Reviewed Journal)
McGwire, K., Weltz, M.A., Nouwakpo, S.K., Spaeth, K., Founds, M., Cadaret, E. 2020. Mapping erosion risk for saline rangelands of the mancos shale using the rangeland hydrology erosion model. Land Degradation and Development. Available: https://doi.org/10.1002/ldr.3620.
Predicting micro-catchment infiltration dynamics Reprint Icon - (Peer Reviewed Journal)
Founds, M., McGwire, K., Weltz, M.A., Verburg, P.S. 2020. Predicting micro-catchment infiltration dynamics. Catena. 190. https://doi.org/10.1016/j.catena.
Salt balance of moderately saline-alkaline rangeland soil and runoff water quality from rainfall simulation studies near Moab, Utah U.S.A. Reprint Icon - (Peer Reviewed Journal)
Arslan, A., Weltz, M.A., Nouwakpo, S.K. 2020. Salt balance of moderately saline-alkaline rangeland soil and runoff water quality from rainfall simulation studies near Moab, Utah U.S.A.. Journal of Geological Resource and Engineering. 8(1):1-19. https://doi.org/10.17265/2328-2193/2020.01.001.
Effectiveness of prescribed fire to re-establish sagebrush steppe vegetation and ecohydrologic function on woodland-encroached sagebrush rangelands, Great Basin, USA: Part II: runoff and sediment transport at the patch scale Reprint Icon - (Peer Reviewed Journal)
Nouwakpo, S.K., Williams, C.J., Pierson Jr, F.B., Weltz, M.A., Arslan, A., Al-Hamdan, O. 2020. Effectiveness of prescribed fire to re-establish sagebrush steppe vegetation and ecohydrologic function on woodland-encroached sagebrush rangelands, Great Basin, USA: Part II: runoff and sediment transport at the patch scale. Catena. 185. https://doi.org/10.1016/j.catena.2019.104301.
Process-based modeling of upland erosion and salt load in the Upper Colorado River Basin - (Proceedings)
Hydrology and erosion risk parameters for grasslands in central Asia Reprint Icon ()
Spaeth K.E. et al. (2020) Hydrology and erosion risk parameters for grasslands in central Asia. In: Gutman G., Chen J., Henebry G., Kappas M., editors. Landscape Dynamics of Drylands across Greater Central Asia: People, Societies and Ecosystems. Switzerland: Springer. p. 125-141.
Runoff water quality from rainfall simulation on different salinity-alkalinity levels of rangeland plots - (Proceedings)
Modeling Infiltration In Constructed Micro-catchments - (Proceedings)
Understanding the effects of grazing and prescribed fire on hydrology of kentucky bluegrass dominated rangelands in the Northern Great Plains Reprint Icon - (Peer Reviewed Journal)
Nouwakpo, S., Toledo, D.N., Sanderson, M., Weltz, M.A. 2019. Understanding the effects of grazing and prescribed fire on hydrology of kentucky bluegrass dominated rangelands in the Northern Great Plains. Journal of Soil and Water Conservation. Vol 74:4. https://doi.org/10.2489/jswc.74.4.360.
Understanding the effects of grazing and prescribed fire on hydrology of Kentucky Bluegrass dominated rangelands in the Northern Great Plains Reprint Icon - (Peer Reviewed Journal)
Nouwapko, S., Toledo, D.N., Sanderson, M.A., Weltz, M.A. 2019. Understanding the effects of grazing and prescribed fire on hydrology of Kentucky Bluegrass dominated rangelands in the Northern Great Plains. Journal of Soil and Water Conservation. 74(4):360-371. https://doi.org/10.2489/jswc.74.4.360.
Vegetation, hydrologic, and erosion responses of sagebrush steppe 9 yr following mechanical tree removal Reprint Icon - (Peer Reviewed Journal)
Williams, C.J., Pierson, F.B., Kormos, P.R., Al-Hamdan, O., Nouwakpo, S., Weltz, M.A. 2019. Vegetation, hydrologic, and erosion responses of sagebrush steppe 9 yr following mechanical tree removal. Rangeland Ecology and Management. 72(1):47-68. https://doi.org/10.1016/j.rama.2018.07.004.
Long-term evidence for fire as an ecohydrologic thresholdreversal mechanism on woodland-encroached sagebrush shrublands Reprint Icon - (Peer Reviewed Journal)
Williams, C.J., Pierson, F.B., Nouwakpo, S., Kormos, P., Al-Hamdab, O.Z., Weltz, M.A. 2019. Long-term evidence for fire as an ecohydrologic threshold reversal mechanism on woodland-encroached sagebrush shrublands. Ecohydrology. 12(4):e2086. https://doi.org/10.1002/eco.2086.
Effectiveness of prescribed fire to re-establish sagebrush steppe vegetation and ecohydrologic function on woodland-encroached sagebrush rangelands, Great Basin, USA: Part I: Vegetation, hydrology, and erosion responses Reprint Icon - (Peer Reviewed Journal)
Williams, C.J., Pierson, F.B., Nouwakpo, S., Al-Hamdan, O., Kormos, P.R., Weltz, M.A. 2018. Effectiveness of prescribed fire to re-establish sagebrush steppe vegetation and ecohydrologic function on woodland-encroached sagebrush rangelands, Great Basin, USA: Part I: Vegetation, hydrology, and erosion responses. Catena. https://doi.org/10.1016/j.catena.2018.02.027.
Long-term vegetation, hydrology, and erosion responses to tree removal by prescribed fire, cutting, and mastication in sagebrush steppe - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Nouwakpo, S., Al-Hamdan, O., Kormos, P.R., Weltz, M.A., Vega, S. 2018. Long-term vegetation, hydrology, and erosion responses to tree removal by prescribed fire, cutting, and mastication in sagebrush steppe. Abstract Proceedings of the 71st SRM Annual Meeting, Technical Training, and Trade Show, Empowerment through Applied Science, January 28-February 2, 2018, Nugget Hotel, Sparks, NV. p. 441.
Effectiveness of prescribed fire to re-establish sagebrush vegetation and ecohydrologic function on woodland-encroached sagebrush steppe, Great Basin, USA - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Kormos, P.R., Al-Hamdan, O., Nouwakpo, S., Weltz, M.A., Vega, S., Lindsay, K. 2017. Effectiveness of prescribed fire to re-establish sagebrush vegetation and ecohydrologic function on woodland-encroached sagebrush steppe, Great Basin, USA. American Geophysical Union, December 11-15, 2017, San Francisco, CA. #H21B-1457.
Improving seeding success on cheatgrass-infested rangelands in Northern Nevada - (Peer Reviewed Journal)
Clements, D.D., Harmon, D.N., Blank, R.R., Weltz, M.A. 2017. Improving seeding success on cheatgrass-infested rangelands in Northern Nevada. Rangelands. 39(6):174-181.
Improving seeding success on cheatgrass infested rangelands in northern Nevada Reprint Icon - (Peer Reviewed Journal)
Clements, D.D., Harmon, D.N., Blank, R.R., Weltz, M.A. 2017. Improving seeding success on cheatgrass infested rangelands in northern Nevada. Rangelands. 39(6):174-181. https://doi.org/10.1016/j.rala.2017.10.003.
The Rangeland Hydrology and Erosion Model: A dynamic approach for predicting soil loss on rangelands Reprint Icon - (Peer Reviewed Journal)
Hernandez Narvaez, M.N., Nearing, M.A., Al-Hamdan, O., Pierson, F.B., Armendariz, G.A., Weltz, M.A., Spaeth, K., Williams, C.J., Goodrich, D.C., Unkrich, C.L., Nichols, M.H., Holifield Collins, C.D. 2017. The Rangeland Hydrology and Erosion Model: A dynamic approach for predicting soil loss on rangelands. Water Resources Research. 53:1-24. https://doi.org/10.1002/2017WR020651.
Satellite assessment of early-season forecasts for vegetation conditions of grazing allotments in Nevada, United States Reprint Icon - (Peer Reviewed Journal)
McGwire, K.C., Weltz, M.A., Snyder, K.A., Huntington, J.L., Morton, C.G., McEvoy, D.J. 2017. Satellite assessment of early-season forecasts for vegetation conditions of grazing allotments in Nevada, United States. Rangeland Ecology and Management. 70(60):730-739. https://doi.org/10.1016/j.rama.2017.06.005.
New Tools to Estimate Runoff, Soil Erosion, and Sustainability of Rangeland Plant Communities - (Proceedings)
Weltz, M.A., Nouwakpo, S.K., Nesbit, J.E., Mcgwire, K.E. 2017. New Tools to Estimate Runoff, Soil Erosion, and Sustainability of Rangeland Plant Communities. World Conference Soil and Water Conservation Under Global Change (CONSOWA). 144.
Agricultural, Runoff, Erosion and Salinity (ARES) Database to Better Evaluate Rangeland State and Sustainability - (Proceedings)
Nesbit, J.E., Weltz, M.A., Nouwakpo, S.K., Mcgwire, K.E., Li, S.Y. 2017. Agricultural, Runoff, Erosion and Salinity (ARES) Database to Better Evaluate Rangeland State and Sustainability. World Conference Soil and Water Conservation Under Global Change (CONSOWA). 143.
Process-Based Modeling of Upland Erosion and Salt Load in the Upper Colorado River Basin - (Proceedings)
Nouwakpo, S.K., Weltz, M.A., Green, C., Mcgwire, K.E. 2017. Process-Based Modeling of Upland Erosion and Salt Load in the Upper Colorado River Basin. World Conference Soil and Water Conservation Under Global Change (CONSOWA). 147.
Mapping Erosion and Salinity Risk Categories Using GIS and the Rangeland Hydrology Erosion Model - (Proceedings)
Mcgwire, K.E., Founds, M., Weltz, M.A., Nouwakpo, S.K. 2017. Mapping Erosion and Salinity Risk Categories Using GIS and the Rangeland Hydrology Erosion Model. World Conference Soil and Water Conservation Under Global Change (CONSOWA). 199.
Restoring Degraded Rangelands in Jordan: Optimizing Mechanized Micro-Water Harvesting Technique Using Rangeland Hydrology and Erosion Model (RHEM) - (Proceedings)
Strohmeire, S., Haddad, M., Devries, J., Sabra, M., Obeidat, E., Nouwapko, S.K., Weltz, M.A. 2017. Restoring Degraded Rangelands in Jordan: Optimizing Mechanized Micro-Water Harvesting Technique Using Rangeland Hydrology and Erosion Model (RHEM). World Conference Soil and Water Conservation Under Global Change (CONSOWA). 166.
Slash application reduces soil erosion in steep-sloped piñon-juniper woodlands - (Peer Reviewed Journal)
Noelle, S.M., Craig, A.A., Stringham, T.K., Weltz, M.A. 2017. Slash application reduces soil erosion in steep-sloped piñon-juniper woodlands. Review Article. 70(6):774-780.
Improved understanding of hydrology and erosion processes and enhanced application of the Rangeland Hydrology and Erosion Model (RHEM) for disturbed rangelands - (Proceedings)
Pierson Jr, F.B., Williams, C.J., Al-Hamdan, O., Nearing, M.A., Hernandez, M., Weltz, M.A., Spaeth, K., Goodrich, D.C. 2017. Improved understanding of hydrology and erosion processes and enhanced application of the Rangeland Hydrology and Erosion Model (RHEM) for disturbed rangelands. Proceedings of World Conference Soil and Water Conservation Under Global Change (CONSOWA). p. 426-429.
Advances in modeling soil erosion after disturbance on rangelands - (Proceedings)
Al-Hamdan, O., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Hernandez Narvaez, M.N., Boll, J., Nouwakpo, S., Weltz, M.A., Spaeth, K. 2017. Advances in modeling soil erosion after disturbance on rangelands. Proceedings of World Conference Soil and Water Conservation Under Global Change (CONSOWA). p. 422-425.
Advancements in hydrology and erosion process understanding and post-fire hydrologic and erosion model development for semi-arid landscapes - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Al-Hamdan, O., Robichaud, P., Nearing, M.A., Hernandez Narvaez, M.N., Weltz, M.A., Spaeth, K. 2017. Advancements in hydrology and erosion process understanding and post-fire hydrologic and erosion model development for semi-arid landscapes. European Geophysical Society Meeting, April 23-28, 2017, Vienna, Austria. 19:EGU2017-10662.
Lawson Aerator applications on rangelands - (Peer Reviewed Journal)
Clements, D.D., McLain, J., Weltz, M.A., White, J., Harmon, D.N. 2017. Lawson Aerator applications on rangelands. The Progressive Rancher. 17(1):36-38.
Scale effects on runoff and soil erosion in rangelands: observations and estimations with predictors of different availability - (Peer Reviewed Journal)
Martinez, G., Weltz, M.A., Pierson, F.B., Spaeth, K., Pachepsky, Y.A. 2017. Scale effects on runoff and soil erosion in rangelands: observations and estimations with predictors of different availability. Catena. 151:161-173.
Runoff and soil erosion from two rangeland sites - (Abstract Only)
Jones, T.J., Frasier, G., Nesbit, J.E., Weltz, M.A. 2017. Runoff and soil erosion from two rangeland sites. Society for Range Management Meeting Abstracts. 95-6.
Application of ecological site information to transformative changes on Great Basin sagebrush rangelands Reprint Icon - (Peer Reviewed Journal)
Williams, C.J., Pierson, F.B., Spaeth, K., Brown, J., Al-Hamdan, O., Weltz, M.A., Nearing, M.A., Herrick, J.E., Boll, J., Robichaud, P.R., Goodrich, D.C., Heilman, P., Guertin, D.P., Hernandez Narvaez, M.N., Wei, H., Polyakov, V.O., Armendariz, G.A., Nouwakpo, S.K., Hardegree, S.P., Clark, P., Strand, E.K., Bates, J.D., Metz, L.J., Nichols, M.H. 2017. Application of ecological site information to transformative changes on Great Basin sagebrush rangelands. Rangelands. 38(6):379-388.
Developing a parameterization approach of soil erodibility for the Rangeland Hydrology and Erosion Model (RHEM) - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Pierson, F.B., Nearing, M.A., Williams, C.J., Hernandez, M., Boll, J., Nouwakpo, S.K., Weltz, M.A., Spaeth, K.E. 2017. Developing a parameterization approach of soil erodibility for the Rangeland Hydrology and Erosion Model (RHEM). Transactions of the ASABE. 60(1):85-94.
Shrubland ecohydrologic response and recovery over a ten year period following pinyon and juniper removal - (Abstract Only)
Insight into sediment transport processes on saline rangeland hillslopes using three-dimensional soil microtopography changes Reprint Icon - (Peer Reviewed Journal)
Nouwakpo, S., Weltz, M.A., McGwire, K., Williams, C.J., Al-Hamdan, O., Green, C.H.M. 2017. Insight into sediment transport processes on saline rangeland hillslopes using three-dimensional soil microtopography changes. Earth Surface Processes and Landforms. 42(4):681-696. https://doi.org/10.1002/esp.4013.
Experimental investigation of the effect of vegetation on soil, sediment erosion, and salt transport processes in the Upper Colorado River Basin Mancos Shale formation, Price, Utah, USA. - (Peer Reviewed Journal)
Cadaret, E.M., Nouwakpo, S.K., Mcgwire, K.C., Saito, L., Weltz, M.A., Blank, R.R. 2016. Experimental investigation of the effect of vegetation on soil, sediment erosion, and salt transport processes in the Upper Colorado River Basin Mancos Shale formation, Price, Utah, USA. Catena. 147:650-662.
Vegetation canopy cover effects on sediment erosion processes in the upper Colorado River Basin mancos shale formation, Price, Utah - (Peer Reviewed Journal)
Cadaret, E.M., Mcgwire, K.C., Nouwakpo, S.K., Weltz, M.A., Saito, L. 2016. Vegetation canopy cover effects on sediment erosion processes in the upper Colorado River Basin mancos shale formation, Price, Utah. Catena. 147:334-344.
A review of concentrated flow erosion processes on rangelands: fundamental understanding and knowledge gaps - (Peer Reviewed Journal)
Nouwakpo, S.K., Williams, C.J., Al-Handan, O., Weltz, M.A., Pierson, F.B., Nearing, M.A. 2016. A review of concentrated flow erosion processes on rangelands: fundamental understanding and knowledge gaps. International Soil and Water Conservation Research. 4(2):75-86.
Plant/life form considerations in the rangeland hydrology and erosion model (RHEM) - (Proceedings)
Spaeth, K.E., Weltz, M.A., Williams, C.J., Pierson Jr, F.B. 2016. Plant/life form considerations in the rangeland hydrology and erosion model (RHEM). In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada. p. 1005-1006.
Rangeland runoff and soil erosion database - (Proceedings)
Nesbit, J.E., Weltz, M.A., Nouwakpo, S., Li, S.Y. 2016. Rangeland runoff and soil erosion database. In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada. p. 989-990
Woody Plant Encroachment and Effects on Soil Health - (Abstract Only)
Developing soil erodibility prediction equations for the Rangeland Hydrology and Erosion Model (RHEM) - (Abstract Only)
Al-Hamdan, O.Z., Pierson, F.B., Nearing, M.A., Williams, C.J., Hernandez, M., Boll, J., Nouwakpo, S.K., Weltz, M.A., and Spaeth, K.E. 2016. Developing soil erodibility prediction equations for the Rangeland Hydrology and Erosion Model (RHEM). Presented at the 69th Annual Society for Range Management Meeting, January 31-February 4, 2016, Corpus Christi, TX.
Integrated approach to cheatgrass suppression on great basin rangelands - (Proceedings)
Clements, D.D., Harmon, D.N., Weltz, M.A., White, J. 2016. Integrated approach to cheatgrass suppression on great basin rangelands. In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskaton, Saskatchewan, Canada. p. 793-794.
Application of the Rangeland Hydrology and Erosion Model to Ecological Site Descriptions and Management - (Proceedings)
Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Nearing, M.A., Weltz, M.A., Al-Hamdan, O.Z., Hernandez Narvaez, M.N. 2016. Application of the Rangeland Hydrology and Erosion Model to Ecological Site Descriptions and Management. International Rangeland Congress. In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada.
Parameterization of erodibility in the Rangeland Hydrology and Erosion Model - (Proceedings)
Al-Hamdan, O.Z., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Hernandez Narvaez, M.N., Nouwakpo, S.K., Weltz, M.A., Spaeth, K.E. 2016. Parameterization of erodibility in the Rangeland Hydrology and Erosion Model. In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada.
Estimating rangeland runoff, soil erosion, and salt mobility and transport processes - (Proceedings)
Weltz, M.A., Nouwakpo, S.K. 2016. Estimating rangeland runoff, soil erosion, and salt mobility and transport processes. In:Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada. p.407-409.
Insight into sediment transport processes on saline rangeland hillslopes using three-dimensional soil microtoprgraphy changes - (Proceedings)
Nouwakpo, S.K., Weltz, M.A. 2016. Insight into sediment transport processes on saline rangeland hillslopes using three-dimensional soil microtoprgraphy changes. In: Proceedings of the X International Rangeland Congress, July 18-22, 2016, Saskatoon, Saskatchewan, Canada. p. 985-986.
Wildlife Habitat Improvement Using Range Improvement Practices - (Abstract Only)
Clements, D.D., Harmon, D.L., Weltz, M.A., White, J. 2016. Wildlife Habitat Improvement Using Range Improvement Practices. Society for Range Management Meeting Proceedings. 69:93.
Plant Material Testing: Can we learn from small plots - (Abstract Only)
Harmon, D.N., Clements, D.D., Weltz, M.A., White, J. 2016. Plant Material Testing: Can we learn from small plots. Range Management Meeting Proceedings. 69:85.
USDA internet tool to estimate runoff and soil loss on rangelands: rangelands hydrology and erosion model - (Peer Reviewed Journal)
Weltz, M.A., Nouwakpo, S.K., Hernandez, M., Nearing, M.A., Stone, J.J., Armendariz, G.A., Pierson, F.B., Al-Hamdan, O., Williams, C.J., Spaeth, K.F., Wei, H., Heilman, P., Goodrich, D.C. 2015. USDA internet tool to estimate runoff and soil loss on rangelands: rangelands hydrology and erosion model. The Progressive Rancher. 8:24-25.
Performance of the rangeland hydrology and erosion model for runoff and erosion assessment on a semiarid reclaimed construction site - (Peer Reviewed Journal)
Weltz, M.A., Nouwakpo, S.K., Mcgwire, K. 2016. Performance of the rangeland hydrology and erosion model for runoff and erosion assessment on a semiarid reclaimed construction site. Journal of Soil and Water Conservation. 71:220-236.
Integrating precipitation, grazing, past effects and interactions in long-term vegetation change - (Peer Reviewed Journal)
Weltz, M.A., Morris, C., Badik, K.J., Morris, L.R. 2016. Integrating precipitation, grazing, past effects and interactions in long-term vegetation change. Journal of Arid Environments. 124:111-117.
Incorporating hydrologic data and ecohydrologic relationships in ecological site descriptions - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Brown, J.R., Al-Hamdan, O.Z., Weltz, M.A., Nearing, M.A., Herrick, J.E., Boll, J., Robichaud, P.R., Goodrich, D.C., Heilman, P., Guertin, P.D., Hernandez, M., Wei, H., Hardegree, S.P., Strand, E.K., Bates, J.D., Metz, L., Nichols, M.H. 2016. Incorporating hydrologic data and ecohydrologic relationships in ecological site descriptions. Rangeland Ecology and Management. 69:4-19.
Assessing the performance of structure-from-motion photogrammetry and terrestrial lidar 1 at reconstructing soil surface microtopography of naturally vegetated plots - (Peer Reviewed Journal)
Weltz, M.A., Nouwakpo, S.K., Mcgwire, K. 2016. Assessing the performance of structure-from-motion photogrammetry and terrestrial lidar 1 at reconstructing soil surface microtopography of naturally vegetated plots. Earth Surface Processes and Landforms. 41(3):308-322.
Simulation of long-term soil water dynamics at Reynolds Creek, Idaho: Implications for rangeland productivity - (Peer Reviewed Journal)
Finzel, J., Seyfried, M.S., Weltz, M.A., Launchbaugh, K. 2015. Simulation of long-term soil water dynamics at Reynolds Creek, Idaho: Implications for rangeland productivity. Ecohydrology. 9:673-687.
Estimating flow concentration and sediment redistribution on saline rangeland communities - (Proceedings)
Weltz, M.A., Nouwakpo, S.K., Mcgwire, K., Rossi, C. 2015. Estimating flow concentration and sediment redistribution on saline rangeland communities. Federal Interagency Sedimentation Conference Proceedings. p. 809-821.
Vegetation canopy cover effects on sediment and salt loading in the upper Colorado River Basin Mancos shale, Price and Ferron, Utah - (Proceedings)
Cadaret, E., Blank, R.R., Mcgwire, K., Nouwakpo, S.K., Rossi, C., Weltz, M.A., Adams, T., Boizet, A., Li, S.Y., Morgan, T.A. 2015. Vegetation canopy cover effects on sediment and salt loading in the upper Colorado River Basin Mancos shale, Price and Ferron, Utah . Federal Interagency Sedimentation Conference Proceedings. 1621-1629.
Estimating water quality from saline rangelands - (Abstract Only)
Assessment of horse creek conservation seeding - (Peer Reviewed Journal)
Clements, D.D., Harmon, D.N., Weltz, M.A., Blank, R.R., Henderson, D.E. 2015. Assessment of horse creek conservation seeding. The Progressive Rancher. 15(2):35-37.
Modeling the effects on water erosion processes of rangeland conservation practices in the Great Basin region - (Abstract Only)
Al-Hamdan, O., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Hernandez, M., Boll, J., Weltz, M.A. 2015. Modeling the effects on water erosion processes of rangeland conservation practices in the Great Basin region [abstract]. Meeting Abstract.
Rangeland hydrologic processes and salinity transport: uplands to river systems ()
Gagnon, S.R., Sears, J.R.L., Makuch, J.R., Rossi, C.G., Nouwakpo, S.K., Weltz, M.A., and Frasier, G. Salinity Mobilization and TransportL Hydrologic and Aeolian Processes and Remediation Techniques for Rangelands. A Selected Biblography. Special Regerence Briefs Series NO. SRB 2014-1. Water Quality Information Center, National Agricultural Library, Agricultural Research Service, U.S. Department of Agriculture. 364 p. 2014.
Estimating hydrologic and erosion response for use in ecological site descriptions - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Brown, J.R., Weltz, M.A., Nearing, M.A., Al-Hamdan, O. 2015. Estimating hydrologic and erosion response for use in ecological site descriptions [abstract]. Society for Range Management Meeting Abstracts.
Use of RHEM to assess runoff and erosion following disturbance on rangelands - (Abstract Only)
Al-Hamdan, O.Z., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Hernandez, M., Spaeth, K.E., Boll, J., Weltz, M.A. 2015. Use of RHEM to assess runoff and erosion following disturbance on rangelands [abstract]. Society for Range Management Meeting Abstracts.
Estimating conservation needs for rangelands using USDA National Resources Inventory Assessments - (Peer Reviewed Journal)
Weltz, M.A., Jolley, L., Hernandez, M., Spaeth, K., Rossi, C., Talbot, C., Nearing, M.A., Stone, J.J., Goodrich, D.C., Wei, H., Pierson Jr, F.B., Morris, C.E. 2014. Estimating conservation needs for rangelands using USDA National Resources Inventory Assessments. American Society of Agricultural and Biological Engineers. 57(6):1-12.
Estimating Sediment Yield on Disturbed Rangeland Using the Rangeland Hydrology and Erosion Model (RHEM) - (Abstract Only)
Al-Hamdan, O., Pierson Jr, F.B., Nearing, M.A., Hernandez, M., Williams, C.J., Stone, J.J., Boll, J., Weltz, M.A. 2015. Estimating Sediment Yield on Disturbed Rangeland Using the Rangeland Hydrology and Erosion Model (RHEM) [abstract]. Joint Federal Intergagency Conference.
Salinity mobilization and transport from rangelands: assessment, recommendations, and knowledge gaps Reprint Icon ()
Weltz, M.A., Nouwakpo, S., Rossi, C., Jolley, L.W., Frasier, G. 2014. Salinity mobilization and transport from rangelands: assessment, recommendations, and knowledge gaps. United States Department of Agriculture, Agricutlural Research Service, Great Basin Rangelands Research. General Technical Report 1. Reno, Nevada. 61.
Evaluation of structure from motion for soil microtopography measurement Reprint Icon - (Peer Reviewed Journal)
Weltz, M.A., Nouwakpo, S.K., James, M.R., Huang, C., Chagas, I. 2014. Evaluation of structure from motion for soil microtopography measurement. The Photogrammetric Record. 29(147):297-316.
Analysis of long-term (1969-2011) vegetation data from Bodie Hills, CA: Integrating weather, disturbance, lag effects and interactions in vegetation change ()
Morris, C., Badik, K., Weltz, M.A. 2014. Analysis of long-term (1969-2011) vegetation data from Bodie Hills, CA: Integrating weather, disturbance, lag effects and interactions in vegetation change. Government Publication/Report. 52 p.
Plant parameters for plant functional groups of western rangelands to enable process-based simulation modeling Reprint Icon - (Peer Reviewed Journal)
Kiniry, J.R., Briggs, J., Englert, J., Weltz, M.A., Jensen, K.B., Tilley, D., Stannard, M., Young-Mathews, A., Blanke, T., Smither-Kopperl, M., Winslow, S., Goodson, D. 2014. Plant parameters for plant functional groups of western rangelands to enable process-based simulation modeling. American Journal of Experimental Agriculture. 4(7):746-766.
Rangeland Hydrology and Erosion Model (RHEM) enhancements for applications on disturbed rangelands - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Hernandez, M., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Stone, J.J., Boll, J., Weltz, M.A. 2014. Rangeland Hydrology and Erosion Model (RHEM) enhancements for applications on disturbed rangelands. Hydrological Processes. doi: 10.1002/hyp.10167.
Cheatgrass invasion and woody species encroachment in the Great Basin: benefits of conservation - (Peer Reviewed Journal)
Weltz, M.A., Spaeth, K., Taylor, M.H., Rollins, K., Pierson, F., Jolley, L., Nearing, M., Goodrich, D., Hernandez, M., Nouwakpo, S.K., Rossi, C. 2014. Cheatgrass invasion and woody species encroachment in the Great Basin: Benefits of conservation. Journal of Soil and Water Conservation. 69(2):39A-44A.
Evaluating the capability of the enhanced Rangeland Hydrology and Erosion Model (RHEM) for modeling the soil erosion impact of disturbance on rangelands - (Abstract Only)
Al-Hamdan, O.Z., Hernandez, M., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Stone, J.J., Boll, J., Weltz, M.A. 2013. Evaluating the capability of the enhanced Rangeland Hydrology and Erosion Model (RHEM) for modeling the soil erosion impact of disturbance on rangelands [abstract]. American Geophysical Union.
Using fluidized bed and flume experiments to quantify cohesion development from aging and drainage - (Peer Reviewed Journal)
Nouwakpo, S.K., Huang, C., Weltz, M.A., Pimenta, F., Chagas, I., Lima, L. 2013. Using fluidized bed and flume experiments to quantify cohesion development from aging and drainage. Earth Surface Processes and Landforms. DOI: 10.1002/esp.3477.
Eco-hydrology considerations for enhancement of ecological site descriptions - (Abstract Only)
Williams, C.J., Pierson, F.B., Spaeth, K.E., Al-Hamdan, O.Z., Weltz, M.A., and Boll, J. 2013. Eco-hydrology considerations for enhancement of ecological site descriptions [abstract]. Soil and Water Conservation Society 68th International Annual Conference, Resilient Landscapes: Planning for Food, Drought, and Fire, July 21-24, 2013, Reno, Nevada.
Modeling soil erosion impact of rangeland disturbance using the Rangeland Hydrology and Erosion Model (RHEM) - (Abstract Only)
Williams, C.J., Pierson, F.B., Spaeth, K.E., Al-Hamdan, O.Z., Weltz, M.A., and Boll, J. 2013. Eco-hydrology considerations for enhancement of ecological site descriptions [abstract]. Soil and Water Conservation Society 68th International Annual Conference, Resilient Landscapes: Planning for Food, Drought, and Fire, July 21-24, 2013 Reno, Nevada.
Chemistry of through-fall and stem-flow leachate following rainfall simulation over pinyon and juniper - (Abstract Only)
Blank, R.R., Lossing, S.S., Weltz, M.A., Stringham, T., Uselman, S.M. 2013. Chemistry of through-fall and stem-flow leachate following rainfall simulation over pinyon and juniper. 68th International Soil and Water Conservation Society International Annual Conference Abstract Book. p. 123.
Using long-term datasets to study exotic plant invasions on rangelands in the western United States - (Peer Reviewed Journal)
Morris, C.E., Morris, L., Leffler, J.A., Holifield Collins, C.D., Forman, A.D., Weltz, M.A., Kitchen, S.G. 2013. Using long-term datasets to study exotic plant invasions on rangelands in the western United States. Journal of Arid Environments. 95:65-74.
Application of a rangeland soil erosion model using NRI data in southeastern Arizona - (Peer Reviewed Journal)
Hernandez, M., Nearing, M.A., Stone, J.J., Pierson Jr, F.B., Wei, H., Spaeth, K., Heilman, P., Weltz, M.A., Goodrich, D.C. 2013. Application of a rangeland soil erosion model using NRI data in southeastern Arizona. Journal of Soil and Water Conservation Society. 68(6):512-525.
Instrumenting wildlife water developments to collect hydrometeorological data in remote western U.S. catchments Reprint Icon - (Peer Reviewed Journal)
Grant, N., Saito, L., Weltz, M.A., Walker, M., Stewart, K., Morris, C.E. 2013. Instrumenting wildlife water developments to collect hydrometeorological data in remote western U.S. catchments. Journal of Atmospheric and Ocean Technology. DOI:10.1175/JTECH-D-12-00065.1.
Risk assessment of erosion from concentrated flow on rangelands using overland flow distribution and shear stress partitioning - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Stone, J.J., Kormos, P.R., Boll, J., Weltz, M.A. 2013. Risk assessment of erosion from concentrated flow on rangelands using overland flow distribution and shear stress partitioning. Transactions of the ASABE. 56(2):539-548.
Rangeland CEAP: An assessment of natural resources conservation service practices - (Peer Reviewed Journal)
Spaeth, K., Weltz, M.A., Briske, D., Jolley, L.J., Metz, L.J., Rossi, C.G. 2013. Rangeland CEAP: An assessment of conservation practices. Rangelands. 35:2-10.
Simulating the effect of brush management on runoff and erosion on the Walnut Gulch Experimental Watershed Reprint Icon ()
Goodrich, D.C., Nearing, M.A., Guertin, P., Hernandez, M., Levick, L., Burns, S., Jolley, L., Weltz, M.A. 2012. Simulating the effect of brush management on runoff and erosion on the Walnut Gulch Experimental Watershed. CEAP Science Note.
Simulating the effect of fire on the ARS Reynolds Creek Experimental Watershed Reprint Icon ()
Goodrich, D.C., Pierson Jr, F.B., Williams, C.J., Guertin, P., Hernandez, M., Levick, L., Burns, S., Jolley, L., Weltz, M.A. 2012. Simulating the effect of fire on the ARS Reynolds Creek Experimental Watershed. CEAP Science Note.
Modeling overland erosion on disturbed rangeland - (Abstract Only)
Al-Hamdan, O.Z., Hernandez, M., Pierson, F.B., Nearing, M., Stone, J.J., Williams, C.J., Boll, J., and Weltz, M. 2012. Modeling overland erosion on disturbed rangeland. Presented at the American Geophysical Union Annual Fall Meeting, December 3-7, 2012, San Francisco, CA.
Estimating effects of targeted conservation on nonfederal rangelands - (Peer Reviewed Journal)
Weltz, M.A., Spaeth, K. 2012. Estimating effects of targeted conservation on nonfederal rangelands. Rangelands. 34(4):35-40.
Concentrated flow erodibility for physically-based erosion models: temporal variability in disturbed and undisturbed rangelands - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Pierson Jr, F.B., Nearing, M.A., Williams, C.J., Stone, J.J., Kormos, P.R., Boll, J., Weltz, M.A. 2012. Concentrated flow erodibility for physically-based erosion models: temporal variability in disturbed and undisturbed rangelands. Water Resources Research. DOI: 10.1029/2011WR011464.
Multiscale assessment of green leaf area in a semi-arid rangeland with a small unmanned aerial vehicle - (Peer Reviewed Journal)
Mcgwire, K.C., Weltz, M.A., Finzel, J.A., Morris, C.E., Fenstermarker, L., Mcgraw, D. 2012. Multiscale assessment of green leaf area in a semi-arid rangeland with a small unmanned aerial vehicle. International Journal of Remote Sensing. 34(5):1615-1632.
Hydrologic Research in a Pinyon and Juniper Encroached Watershed - (Abstract Only)
Research to practical use: on-the-ground success - (Peer Reviewed Journal)
Clements, D.D., Young, J.A., Harmon, D.N., Weltz, M.A. 2012. Research to practical use: on-the-ground success. Rangelands. 34(4):54-60.
Indirect measurement of leaf area index in sagebrush-steppe rangelands - (Peer Reviewed Journal)
Finzel, J.A., Seyfried, M.S., Weltz, M.A., Kiniry, J.R., Johnson, M.V.V., Launchbaugh, K.L. 2012. Indirect measurement of leaf area index in sagebrush-steppe rangelands. Rangeland Ecology and Management. 65:208-212.
Indirect measurement of leaf area index in sagebrush-steppe rangelands - (Peer Reviewed Journal)
Finzel, J.A., Seyfried, M.S., Weltz, M.A., Kiniry, J.R., Johnson, M.V., Launchbaugh, K.L. 2012. Indirect measurement of leaf area index in sagebrush-steppe rangelands. Rangeland Ecology and Management. 65:208-212.
Effects of pinyon and juniper expansion on watershed hydrology and vegetation response - (Abstract Only)
Estimating concentrated flow erodibility parameters from pre- and post-fire rangeland field data for physically-based erosion modeling - (Abstract Only)
Al-Hamdan, O.Z., Pierson, F.B., Williams, C.J., Nearing, M., Stone, J., Kormos, P.R., Boll, J., and Weltz, M.A. 2011. Estimating concentrated flow erodibility parameters from pre- and post-fire rangeland field data for physically-based erosion modeling. Abstract H31B-1141. Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.
Techniques for assessing the environmental outcomes of conservation practices applied to rangeland watersheds - (Peer Reviewed Journal)
Weltz, M.A., Jolley, L., Goodrich, D., Boykin, K., Nearing, M., Stone, J., Guertin, P., Hernandez, M., Spaeth, K., Pierson, F., Morris, C., Kepner, B. 2011. Techniques for assessing the environmental outcomes of conservation practices applied to rangeland watersheds. Journal of Soil and Water Conservation. 66(5):154A-162A.
Characteristics of concentrated flow hydraulics for rangeland ecosystems: implications for hydrologic modeling - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Pierson Jr, F.B., Nearing, M.A., Stone, J.J., Williams, C.J., Moffet, C.A., Kormos, P.R., Boll, J., Weltz, M.A. 2012. Characteristics of concentrated flow hydraulics for rangeland ecosystems: Implications for hydrologic modeling. Earth Surface Processes and Landforms. 37(2):157-168.
Wildfire and invasive plants in American deserts: a special feature - (Peer Reviewed Journal)
Weltz, M.A., Coates-Markle, L., Narayanan, R. 2011. Wildfire and invasive plants in American deserts: a special feature. Rangeland Ecology and Management. 64(5):429-430.
Fire, plant invasions, and erosion events on western rangelands - (Peer Reviewed Journal)
Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Weltz, M.A., Stone, J.J., Clark, P. 2011. Fire, plant invasions, and erosion events on western rangelands. Rangeland Ecology and Management. 64(5):439-449. DOI: 10.2111/REM-D-09-00147.1.
AGWA: The Automated Geospatial Watershed Assessment Tool to inform rangeland management Reprint Icon - (Peer Reviewed Journal)
Goodrich, D.C., Guertin, D.P., Burns, I.S., Nearing, M.A., Stone, J.J., Wei, H., Heilman, P., Hernandez, M., Spaeth, K., Pierson Jr, F.B., Paige, G.B., Miler, S.N., Kepner, W., Mcclaran, M.P., Weltz, M.A., Jolley, L. 2011. AGWA: The Automated Geospatial Watershed Assessment Tool to inform rangeland management. Rangelands. 33(4):41-47. https://doi.org/10.2111/1551-501X-33.4.41.
Chapter 3 The state of the land ()
Weltz, M.A., Jolley, L., Herrick, J.E. 2011. Chapter 3 The state of the land. Resource Conservation Act Appraisal. p. 25-48.
Shear stress partitioning of overland flow on disturbed and undisturbed rangelands - (Proceedings)
Al-Hamdan, O.Z., Pierson, F.B., Nearing, M.A., Stone, J.J., Williams, C.J., Kormos, P.R., Boll, J., and Weltz, M.A. (2011) “Shear Stress Partitioning of Overland Flow on Disturbed and Undisturbed Rangelands”, in Proceedings of the International Symposium on Erosion and Landscape Evolution, Anchorage, Alaska, USA, American Society of Agricultural and Biological Engineers and Association of Environmental and Engineering Geologist, Edited by Flanagan, D.C., Ascough II, J.C., and Nieber J.L., Paper # 11134.
A rangeland hydrology and erosion model - (Peer Reviewed Journal)
Nearing, M.A., Wei, H., Stone, J.J., Pierson, Jr. F.B., Spaeth, K., Weltz, M.A., Flanagan, D.C., Hernandez, M. 2011. A rangeland hydrology and erosion model. Transactions of the ASABE. 54(3):1-8.
Shear stress partitioning of overland flow on disturbed and undisturbed rangelands - (Abstract Only)
Al-Hamdan, O.Z., Pierson, F.B., Nearing, M.A., Stone, J.J., Williams, C.J., Kormos, P.R., Boll, J., and Weltz, M.A. (2011) “Shear Stress Partitioning of Overland Flow on Disturbed and Undisturbed Rangelands”, Abstract, in the International Symposium on Erosion and Landscape Evolution, Anchorage, Alaska, USA, American Society of Agricultural and Biological Engineers and Association of Environmental and Engineering Geologist, Edited by Ascough II C. and Flanagan, D. C. pp 110.
The rancher's ALMANAC - (Peer Reviewed Journal)
Johnson, M., Finzel, J.A., Spanel, D.A., Weltz, M.A., Sanchez, H., Kiniry, J.R. 2011. The rancher's ALMANAC. Rangelands. 33(2):10-16.
Environmental outcomes of conservation practices applied to grazing lands - (Abstract Only)
Weltz, M.A. 2011. Environmental outcomes of conservation practices applied to grazing lands [abstract]. Soil and Water Conservation Society. 1:43.
New concentrated flow hydraulics equations for physically-based rangeland hydrology and erosion models - (Abstract Only)
Al-Hamdan, O.Z., Pierson, F.B., Williams, C.J., Nearing, M.A., Stone, J.J., Moffet, C.A., Kormos, P.R., Boll, J., and Weltz, M.A. 2010. New Concentrated Flow Hydraulics Equations for Physically-Based Rangeland Hydrology and Erosion Models. Presented at 2010 Fall Meeting, American Geophysical Union, San Francisco, California, 13-17 December 2010, Abstract H41F-1156.
Forecasting annual aboveground net primary production in the intermountain west - (Abstract Only)
Finzel, J., Weltz, M.A., Seyfried, M.S., Kiniry, J.R., Launchbaugh, K. 2011. Forecasting annual aboveground net primary production in the intermountain west [abstract]. Society for Range Management. p. 258.
Rainfall interception and partitioning by pinus monophylla and juniperus osteosperma - (Abstract Only)
Lossing, S., Stringham, T., Weltz, M.A. 2011. Rainfall interception and partitioning by pinus monophylla and juniperus osteosperma [abstract]. Society for Range Management. p. 242.
National estimates of soil loss on rangelands - (Abstract Only)
Weltz, M.A., Jolley, L., Speath, K. 2011. National estimates of soil loss on rangelands [abstract]. Society for Range Management. p. 72.
National estimates of soil loss on rangelands - (Abstract Only)
Weltz, M.A., Jolley, L., Spaeth, K. 2011. National estimates of soil loss on rangelands. Society for Range Management Meeting Abstracts. p. 72.
Seedlings: From Seed to Establishment - (Abstract Only)
Clements, C.D., Harmon, D.N., Weltz, M.A. 2011. Seedlings: from seed to establishment [abstract]. Society for Range Management. 64:57.
Research to Practical Use: On-The-Ground Successes - (Abstract Only)
Clements, C.D., Young, J.A., Harmon, D.N., Weltz, M.A. 2011. Research to Practical Use: On-The-Ground Successes [abstract]. Society for Range Management. 64:64.
Simulating effects of cheatgrass invasion on native bunchgrass productivity under different precipitation scenarios - (Abstract Only)
Quantifying Annual Aboveground Net Primary Production in the Intermountain West - (Abstract Only)
Finzel, J., Weltz, M.A., Seyfried, M.S., Launchbaugh, K., Kiniry, J.R. 2010. Quantifying Annual Aboveground Net Primary Production in the Intermountain West [abstract]. Society for Range Management and Weed Science Society of America Annual Meeting Program Guide. P C-27.
Concentrated Flow Erosion after Pinyon-Juniper Cutting - (Abstract Only)
Costigan, K., Weltz, M.A., Stone, J.J., Morris, C.E. 2010. Concentrated Flow Erosion after Pinyon-Juniper Cutting [abstract]. Society for Range Management and Weed Science Society of America Annual Meeting Program Guide. O-9.
Simulating Effects of Cheatgrass Invasion on Native Bunchgrass Productivity Under Different Precipitation Scenarios - (Abstract Only)
Johnson, M., Kiniry, J.R., Weltz, M.A., Spanel, D.A., Finzel, J., Launchbaugh, K., Rodriguez-Barahona, L., Rollins, K. 2010. Simulating Effects of Cheatgrass Invasion on Native Bunchgrass Productivity Under Different Precipitation Scenarios [abstract]. Society for Range Management and Weed Science Society of America Annual Meeting Program Guide. O-103.
Control of Downy brome (Bromus tectorum) and Medusahead (Taeniatherum caput-medusae) With Rangeland Herbicides in Northeastern California - (Abstract Only)
Zhang, J., Kyser, G., Wilson, R., Creech, E., Weltz, M.A., Clements, D.D., Ditomaso, J. 2010. Control of Downy brome (Bromus tectorum) and Medusahead (Taeniatherum caput-medusae) With Rangeland Herbicides in Northeastern California [abstract]. Society for Range Management and Weed Science Society of America Annual Meeting Program Guide. P B-9.
Instrumenting Wildlife Water Developments to Measure Precipitation and Estimate Runoff in Remote Catchments - (Abstract Only)
Grant, N., Saito, L., Weltz, M.A., Walker, M., Stewart, K. 2010. Instrumenting Wildlife Water Developments to Measure Precipitation and Estimate Runoff in Remote Catchments [abstract]. Proceedings of the Joint Federal Interagency Conference 2010. p. 120.
Long term inter-annual variability of vegetation production - (Abstract Only)
Finzel, J.A., Seyfried, M.S., Weltz, M.A., Launchbaugh, K. 2009. Long Term Inter-Annual Variability of Vegetation Production. Proceedings American AGU Chapman Conference on the GIS in the Vadose Zone.
Control of Downy brome (Bromus tectorum) and Medusahead (Teaniatherum caput-medusae) with Rangeland Herbicides in Northeastern California. - (Abstract Only)
Zhang, J., Kyser, G.B., Wilson, R., Creech, E., Weltz, M.A., Clements, C.D., Ditamosa, J.M. 2010. Control of Downy brome (Bromus tectorum) and Medusahead (Teaniatherum caput-medusae) with Rangeland Herbicides in Northeastern California [abstract]. Society for Range Management Meeting Proceedings. 62:9.
Status Report on the "Wildfires and Invasive Plants in American Deserts" Symposium and Workshop - (Abstract Only)
Pellent, M., Coastes-Markle, L., Cribley, B., Devoe, N., Pregitzer, K., Swanson, S., Weltz, M.A. 2009. Status Report on the "Wildfires and Invasive Plants in American Deserts" Symposium and Workshop [abstract]. Society of Range Management Annual Conference.
Estimating Conservation Thresholds on Rangelands - (Abstract Only)
Costigan, K., Weltz, M.A., Saito, L. 2009. Estimating Conservation Thresholds on Rangelands [abstract]. Water Resource Association Annual Conference.
Using Wildlife Water Developments to Measure Precipitation and Estimate Runoff in Remote Catchments - (Abstract Only)
Grant, N., Saito, L., Weltz, M.A. 2009. Using Wildlife Water Developments to Measure Precipitation and Estimate Runoff in Remote Catchments [abstract]. Water Resource Association Annual Conference.
Overview of current and future technologies in rangeland hydrology - (Abstract Only)
Seed polymorphism in two western Nevada Indian ricegrass communities - (Abstract Only)
Ezzell, R.M., Clements, C.D., Harmon, D.N., Weltz, M.A. 2009. Seed Polymorphism in two Western Nevada Indian Ricegrass Communities [abstract]. Society for Range Management, Albuquerque, New Mexico, February 8-12, 2009. 62:32.
Assessing the benefits of grazing land conservation practices - (Peer Reviewed Journal)
Weltz, M.A., Jolley, L., Nearing, M.A., Stone, J.J., Goodrich, D.C., Pierson Jr, F.B., Speath, K., Kiniry, J.R., Arnold, J.G., Bubenheim, D., Hernandez, M., Wei, H. 2008. Assessing the benefits of grazing land conservation practices. Journal of Soil and Water Conservation. 63:214-217.
The Conservation Effects Assessment Project—The First Five Years - (Peer Reviewed Journal)
Duriancik, L., Bucks, D., Dobrowolski, J.P., Drews, T., Eckles, S.D., Jolley, L., Kellogg, R.L., Lund, D. Makuch, J.R., O'Neil, M.P., Rewa, C.A., Walbridge, M.R., Parry, R., Weltz, M. 2008. The first five years of the Conservation Effects Assessment Project. Journal of Soil and Water Conservation. 63:185-197.
Vegetation Data, Walnut Gulch Experimental Watershed, Arizona, United States 1855 - (Peer Reviewed Journal)
Skirvin, S., Kidwell, M., Biedenbender, S.H., Henley, F.P., King, D.M., Holifield Collins, C.D., Moran, M.S., Weltz, M.A. 2008. Vegetation Data, Walnut Gulch Experimental Watershed, Arizona, United States. Water Resources Research, Vol. 44, W05S08, doi:10.1029/2006WR005724.
Assessing Vegetation Change Temporally and Spatially in Southeastern Arizona 1882 - (Peer Reviewed Journal)
King, D.M., Skirvin, S., Holifield Collins, C.D., Moran, M.S., Biedenbender, S., Kidwell, M., Weltz, M.A., Diaz-Gutierrez, A. 2008. Assessing Vegetation Change Temporally and Spatially in Southeastern Arizona. Water Resources Research, Vol. 44, W05S15, doi:10.1029/2006WR005850.
A STRATEGY FOR FEDERAL SCIENCE AND TECHNOLOGY TO SUPPORT WATER AVAILABILITY AND QUALITY IN THE UNITED STATES ()
Hirsch, R.M., Araujo, R., Brown, C., Whitney, G., Eimers, J., Frazer, G., Goodman, I., Spooner, C., Dobrowolski, J., Hayes, D., O'Neill, M., Towes, D., Weltz, M.A., Entin, J., Stephens, P., Foster, J., Ingram, J. 2007. A strategy for federal science and technology to support water availability and quality in the United States. Office of the President, National Science and Technology Council, Committee on Environment and Natural Resources, Subcommittee on Water Availability and Quality, Washington, D.C. 46 pg.
REMOTE SENSING FOR GRASSLAND MANAGEMENT IN THE ARID SOUTHWEST 1633 - (Peer Reviewed Journal)
Marsett, R.C., Qi, J., Heilman, P., Biedenbender, S.H., Watson, M.C., Amer, S., Weltz, M.A., Goodrich, D.C., Marsett, R. 2006. Remote sensing for grassland management in the arid southwest. Rangeland Ecology and Management 59(5): 530-540.
A LASER POINT FRAME TO MEASURE COVER - (Peer Reviewed Journal)
Vanamburg, L.K., Booth, D.T., Weltz, M.A., Trlica, M.J. 2005. A laser point frame to measure cover. Rangeland Ecology and Management 58:557-560.
EXPLORATIVE ANALYSIS OF THE DATABASE ON RANGELAND RUNOFF AND EROSION EXPERIMENTS - (Abstract Only)
Pierson Jr, F.B., Pachepsky, Y.A., Weltz, M.A. 2004. Explorative analysis of the database on rangeland runoff and erosion experiments.[Abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, October 31 - November 4, 2004, Seattle, Washington. CD-ROM.
USING REGRESSION TREES TO ESTIMATE SURFACE WATER RUNOFF AND SOIL EROSION FOR RANGELANDS - (Abstract Only)
Pachepsky, Y.A., Pierson Jr, F.B., Spaeth, S.C., Weltz, M.A. 2004. Using regression trees to estimate surface water runoff and soil erosion for rangelands. [Meeting Abstract]. European Conference on Machine Learning, September 27, 2004, Bled, Slovinai. Paper #88, CDROM.
Explorative analysis of the database on rangeland runoff and erosion experiments. - (Abstract Only)
Pierson, F.B., Pachepsky, Y.A., Weltz, M.A. 2004. Explorative analysis of the database on rangeland runoff and erosion experiments (abstract). ASA-CSSA-SSSA Annual Meeting, Oct 31 - Nov 4, 2004, Seattle, WA, CD-ROM
DATA FOR NATURAL RESOURCE MODELS: ROLE OF DATA/INFORMATION SYSTEMS. - (Abstract Only)
STEINER, J.L., GOODRICH, D., HARDEGREE, S., BURKHART, M.R., STRICKLAND, T.C., BRYANT, R.B., ALONZO, C.V., WELTZ, M.A. DATA FOR NATURAL RESOURCE MODELS: ROLE OF DATA/INFORMATION SYSTEMS. CD-ROM. MADISON, WI: AMERICAN SOCIETY OF AGRONOMY. 2003.
INFORMATION TECHNOLOGY APPLICATIONS IN THE ARS WATERSHED NETWORK - (Proceedings)
STEINER, J.L., GOODRICH, D.C., HARDEGREE, S.P., BURKART, M.R., STRICKLAND, T.C., ALONSO, C.V., BRYANT, R.B., WELTZ, M.A. INFORMATION TECHNOLOGY APPLICATIONS IN THE ARS WATERSHED NETWORK. PROCEEDINGS OF THE FIRST INTERAGENCY CONFERENCE ON RESEARCH IN THE WATERSHEDS. 2003. p. 62-67.
ECOLOGICAL SUSTAINABILITY OF RANGELANDS - (Peer Reviewed Journal)
Weltz, M.A., Dunn, G.H., Frasier, G.W., Reeder, S.J. 2003. Ecological sustainability of rangelands. Arid Land Research and Management. Vol. 17, #4, pp. 369-388.
INFORMATION TECHNOLOGY APPLICATIONS TO WATER RESOURCES RESEARCH - (Proceedings)
STEINER, J.L., GOODRICH, D., HARDEGREE, S., BURKART, M.R., STRICKLAND, T.C., WELTZ, M.A. INFORMATION TECHNOLOGY APPLICATIONS TO WATER RESOURCES RESEARCH. PROCEEDINGS OF THE NATIONAL WATERSHED CONFERENCE. 2003. p. 285-290.
EVALUATION OF USLE AND RUSLE ESTIMATED SOIL LOSS ON RANGELAND USING RAINFALL SIMULATION EXPERIMENTS - (Peer Reviewed Journal)
Spaeth, K.E., Pierson, Jr. F.B., Weltz, M. A., and Blackburn, W. H. 2003. Evaluation of USLE and RUSLE estimated soil loss on rangeland using rainfall simulation experiments. Journal of Range Management 56:234-246.
MULTICRITERIA SPATIAL DECISION SUPPORT SYSTEMS FOR AGRICULTURE: OVERVIEW, APPLICATIONS, AND FUTURE RESEARCH DIRECTIONS - (Proceedings)
Ascough II, J.C., Rector, H.D., Hoag, D.L., Mcmaster, G.S., Vandenberg, B.C., Shaffer, M.J., Weltz, M.A., Ahuja, L.R. 2002. Multicriteria spatial decision support systems for agriculture: overview, applications, and future research directions. Environmental Modeling International Conference Proceedings. IN: A.E. Rizzoli and A.J. Jakeman (Eds.), Integrated Assessment and Decision Support Proceedings of the 1st Biennial Meeting of the IEMSS. June 24-27, 2002, Lugano, Switzerland. Vol. 3, pp. 175-180.
PARAMETERIZING GPFARM: AN AGRICULTURAL DECISION SUPPORT SYSTEM FOR INTEGRATING SCIENCE, ECONOMICS, RESOURCE USE, AND ENVIRONMENTAL IMPACTS - (Proceedings)
Mcmaster, G.S., Ascough Ii, J.C., Shaffer, M.J., Byrne, P.F., Haley, S.D., Nielsen, D.C., Andales, A.A., Dunn, G.H., Weltz, M.A., Ahuja, L.R. 2002. Parameterizing gpfarm: an agricultural decision support system for integrating science, economics, resource use, and environmental impacts. International Society of Ecological Modeling Annual Meetings. IN: A.E. Rizzoli and A.J. Jakeman (Eds.), Integrated Assessment and Decision Support Proceedings of the 1st Biennial Meeting of the IEMSS. June 24-27, 2002, Lugano, Switzerland. Vol. 1, pg 72-77.
APPLICATION AND TESTING OF GPFARM: A FARM AND RANCH DECISION SUPPORT SYSTEMFOR EVALUATING ECONOMIC AND ENVIRONMENTAL SUSTAINABILITY OF AGRICULTURAL ENTERPRISES - (Peer Reviewed Journal)
Dunn, G.H., Weltz, M.A., Mcmaster, G.S., Ascough Ii, J.C., Shaffer, M.J., Palic, D.B., Vandenberg, B.C., Bartling, P.N., Edmunds, D.A., Hoag, D.L., Ahuja, L.R. 2002. Application and testing of gpfarm: a farm and ranch decision support systemfor evaluating economic and environmental sustainability of agricultural enterprises. Acta Horticulture (ISHS) 593:171-177. www.actahort.og/books/593/593_22.htm
HYDROLOGIC RESPONSE OF DIVERSE WESTERN RANGELANDS - (Peer Reviewed Journal)
Pierson, F.B., Spaeth, K.E., Weltz, M.A., and Carlson, D.H., Hydrologic response of diverse western rangelands. Journal of Range Management, v.55, no. 6, p. 558-570.
GPFARM SIMULATION OF SOIL NUTRIENT CYCLING UNDER MAIZE - (Abstract Only)
Shaffer, M.J., Yu, M., Bartling, P.N., Ho, N., Mcmaster, G.S., Ascough Ii, J.C., Ahuja, L.R., Weltz, M.A. 2001. Gpfarm simulation of soil nutrient cycling under maize. Agronomy Abstracts. American Society of Agronomy Meetings, October 2001.
GPFARM:AN INTEGRATED DECISION SUPPORT SYSTEM FOR SUSTAINABLE GREAT PLAINS AGRICULTURE ()
APPLICATION AND TESTING OF GPFARM: A FARM AND RANCH DECISION SUPPORT SYSTEM FOR EVALUATING ECONOMIC AND ENVIRONMENTAL SUSTAINABILITY OF AGRICULTURAL ENTERPRISES - (Abstract Only)
Mcmaster, G.S., Dunn, G.H., Weltz, M.A., Palic, D.B. 2001. Application and testing of gpfarm: a farm and ranch decision support system for evaluating economic and environmental sustainability of agricultural enterprises. Biological Systems Simulation Group Proceedings, March 2001.
USING THE GPFARM DSS FOR EVALUATING DRYLAND CROPPING SYSTEM PRODUCTION AND ECONOMICS IN THE WESTCENTRAL GREAT PLAINS - (Abstract Only)
2000 Annual Meetings Abstracts, American Society of Agronomy/Crop Science Society of America/Soil Science Society of America. Minneapolis, Minnesota, November 5-9, 2000. pp 22.
CASE STUDIES AND APPLICATIONS OF GRAZINGLAND SIMULATION MODELS. - (Abstract Only)
Hanson, J.D., Weltz, M.A. 2000. Case studies and applications of grazingland simulation models.. American Society of Agronomy Meetings.
LEAF AREA INDEX ESTIMATES USING REMOTELY SENSED DATA AND BRDF MODELS IN A SEMIARID REGION 1415 - (Peer Reviewed Journal)
Qi, J., Kerr, Y., Moran, M.S., Weltz, M.A., Huete, A.R., Sorooshian, S., Bryant, R. 2000. Leaf area index estimates using remotely sensed data and brdf models in a semiarid region. Rem. Sens. Environ., 73:18-30.
ROOT ZONE WATER QUALITY MODEL SENSITIVITY ANALYSIS USING MONTE CARLO SIMULATION - (Peer Reviewed Journal)
INTEGRATED INFORMATION SYSTEMS FOR KNOWLEDGE-BASED RESEARCH, TECHNOLOGY DEVELOPMENT, AND TRANSFER. 1265 - (Proceedings)
THE POTENTIAL FOR COOPERATION ON RANGE RESEARCH IN THE SOUTHWESTERN US AND NORTHERN MEXICO TO SUPPORT CONSERVATION PLANNING 1227 - (Peer Reviewed Journal)
EVALUATING THE EFFECTS OF VEGETATION VARIABILITY ON MODELING RUNOFF AND EROSION PROCESSES ON A GRASSLAND WATERSHED IN SOUTHEASTERN ARIZONA 1242 - (Abstract Only)
ARID ZONE HYDROLOGY: SCALE ISSUES FOR DEVELOPMENT OF MODELS IN DECISION SUPPORT SYSTEMS 1245 - (Abstract Only)
USE OF MAJOR LAND RESOURCE AREAS AS A HIERARCHICAL CLASSIFICATION SYSTEM FOR RANGELAND HEALTH TECHNOLOGY ON GRAZING LANDS 1234 - (Abstract Only)
ASSESSING RANGELAND HEALTH ON SEMI-ARID WATERSHEDS WITH A MULTI-ATTRIBUTED DECISION SUPPORT SYSTEM 1235 - (Abstract Only)
ASSESSING SCALE ISSUES ON SEMI-ARID WATERSHEDS WITH A MULTI-ATTRIBUTED DECISION SUPPORT SYSTEM 1236 - (Proceedings)
MAJOR LAND RESOURCES AREAS AND ECOLOGICAL SITE DESCRIPTIONS AS USED IN THE USA: POTENTIAL DATABASE FOR MULTIPLE OBJECTIVE DECISION SUPPORT SYSTEMS 1237 - (Abstract Only)
WATERSHED SEDIMENT YIELD AND RANGELAND HEALTH 1233 - (Proceedings)
INFLUENCE OF ABIOTIC AND BIOTIC FACTORS IN MEASURING AND MODELING SOIL EROSION ON RANGELANDS: STATE OF KNOWLEDGE - (Peer Reviewed Journal)
RANGELAND HEALTH: NEW RESEARCH AND IMPROVED TECHNOLOGY 1240 - (Abstract Only)
ASSESSING RANGELAND HEALTH WITH A MULTI-ATTRIBUTED DECISION SUPPORT SYSTEM 1239 - (Proceedings)
A SPEADSHEET HIERARCHICAL MULTI-ATTRIBUTE DECISION SYSTEM WITH APPLICATE TO CONFLICT RESOLUTION AND ENVIRONMENTAL DECISION MAKING 1224 - (Abstract Only)
VEGETATION CHANGE AT THE WALNUT GULCH EXPERIMENTAL WATERSHED, SOUTHEASTERN ARIZONA, USA 1243 - (Abstract Only)
CARBON ISOTOPES IN SOIL ORGANIC MATTER FROM THE WALNUT GULCH EXPERIMENTAL WATERSHED, SOUTHEASTERN ARIZONA, USA 1241 - (Abstract Only)
AN ALGORITHM FOR COMPUTING MULTIPLE ATTRIBUTE ADDITIVE VALUE MEASUREMENT RANGES UNDER A HIERARCHY OF THE CRITERIA: APPLICATION TO FARM OR RANGELAND MANAGEMENT DECISIONS 1149 ()
RELATIONSHIPS BETWEEN RANGELAND SOIL QUALITY SOIL RESILIENCE, AND SOIL EROSION - (Proceedings)
RANGELAND SOIL EROSION AND SOIL QUALITY: ROLE OF SOIL RESISTANCE, RESILIENCE, AND DISTURBANCE REGIME ()
SIMULATING SURFACE ENERGY FLUXES AND RADIOMETRIC TEMPERATURES FOR TWO ARID VEGETATION COMMUNITIES USING THE SHAW MODEL - (Peer Reviewed Journal)
A MULTIPLE OBJECTIVE DECISION APPROACH WITH APPLICATION TO RANGELAND HEALTH - (Peer Reviewed Journal)
COMPUTING MULTIPLE ATTRIBUTE VALUE FUNCTION RANGES UNDER A HIERARCHY OF THE ATTRIBUTES WITH APPLICATION TO ENVIRONMENTAL DECISION MAKING - (Proceedings)
OPTICAL-MIRCROWAVE SYNERGY FOR ESTIMATING SURFACE SENSIBLE HEAT FLUX OVER A SEMI-ARID RANGELAND - (Peer Reviewed Journal)
VEGETATION AND SOIL SURFACE COVER ADJUSTMENTS TO INTERRILL SOIL ERODIBILITY ON RANGELAND - (Proceedings)
A MULTIPLE OBJECTIVE DECISION APPROACH WITH APPLICATION TO RANGELAND HEALTH - (Abstract Only)
NATIONAL AND REGIONAL EFFORTS IN DEVELOPING AND COORDINATING ASSESSMENT AND MONITORING PROGRAMS - (Abstract Only)
WEPP (WATER EROSION PREDICTION PROJECT): IT'S DEVELOPMENT AND APPLICATION - (Abstract Only)
ESTIMATION OF GREEN-AMPT EFFECTIVE HYDRAULIC CONDUCTIVITY FOR RANGELANDS - (Peer Reviewed Journal)
EVALUATION OF A SITE CONSERVATION RATING SYSTEM IN SOUTHEASTERN ARIZONA - (Peer Reviewed Journal)
GRADIENT ANALYSIS OF INFILTRATION AND ENVIRONMENTAL VARIABLES AS RELATED TO RANGELAND VEGETATION - (Peer Reviewed Journal)
GRADIENT ANALYSIS OF ENVIRONMENTAL AND HYDROLOGIC VARIABLES AS RELATED TO RANGELAND VEGETATION - (Peer Reviewed Journal)
COMBINING THE PENMAN-MONTEITH EQUATION WITH MEASUREMENTS OF SURFACE TEMPERATURE AND REFLECTANCE TO ESTIMATE EVAPORATION RATES OF SEMIARID GRASSLAND - (Peer Reviewed Journal)
PLANT GROWTH COMPONENT, CHAPTER 8 ()
CHAPTER 10. RESIDUE MANAGEMENT AND DECOMPOSITION ()
AN ANCILLARY DATA APPROACH TO SURFACE ROUGHNESS CORRECTION OF MICROWAVE OBSERVATIONS FOR ESTIMATING SOIL MOISTURE - (Proceedings)