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Christopher Jason Williams (Jason)
Research Hydrologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Insights from the USDA Grazing Land National Resources Inventory and field studies - (Peer Reviewed Journal)
Spaeth, K., Rutherford, W.A., Houdshell, C., Williams, C.J., Simpson, B., Green, S., Toledo, D.N., Suffridge, E., Mccord, S.E. 2024. Insights from the USDA Grazing Land National Resources Inventory and field studies. Journal of Soil and Water Conservation. 79(2): Article 0107A. https://doi.org/10.2489/jswc.2024.0107A.
An artificial neural network to estimate the foliar and ground cover input variables of the Rangeland Hydrology and Erosion Model - (Peer Reviewed Journal)
Saeedimoghaddam, M., Nearing, G., Goodrich, D.C., Hernandez, M., Guertin, D., Metz, L., Wei, H., Ponce-Campos, G., Burns, I., Mccord, S.E., Nearing, M., Williams, C.J., Houdeshell, C., Rahman, M., Meles, M.B., Barker, S. 2024. An artificial neural network to estimate the foliar and ground cover input variables of the Rangeland Hydrology and Erosion Model. Journal of Hydrology. 631. Article 130815. https://doi.org/10.1016/j.jhydrol.2024.130835.
Estimating effective hydraulic conductivity (Ke) for the Rangeland Hydrology and Erosion Model (RHEM) - (Peer Reviewed Journal)
Al-Hamdan, O., Williams, C.J., Pierson Jr, F.B., Hernandez, M., Nouwakpo, S.K. 2024. Estimating effective hydraulic conductivity (Ke) for the Rangeland Hydrology and Erosion Model (RHEM). Journal of the ASABE. 67(1):141-149. https://doi.org/10.13031/ja.15652.
Modeling earthen treatments for climate change effects - (Peer Reviewed Journal)
Hart, S., Raymond, K., Williams, C.J., Rutherford, W.A., DeGayner, J. 2023. Modeling earthen treatments for climate change effects. Heritage. 6(5):4214-4226. https://doi.org/10.3390/heritage6050222.
Using longitudinal surveys to assess the distribution and ecohydrological function of pinyon-juniper woodlands in the western USA - (Abstract Only)
Gradient analysis and classification of tall forb communities in the Bridger Teton National Forest, USA - (Peer Reviewed Journal)
Zobell, R., Spaeth, K., Williams, C.J., Goodrich, S., Jacobson, B., Camp, C., Cameron, A. 2023. Gradient analysis and classification of tall forb communities in the Bridger Teton National Forest. Rangeland Ecology and Management. 90:294-307. https://doi.org/10.1016/j.rama.2023.04.002.
Subpart G - Rangeland Ecohydrology. In: National Range and Pasture Handbook, Handbook - ()
Spaeth, K.E., Weltz, M.A., Williams, J., and Pierson, F. 2022. Subpart G - Rangeland Ecohydrology. In: National Range and Pasture Handbook, Handbook Number 645, US Department of Agriculture, Natural Resources Conservation Service. 645-G.1-645-G-R.29.
Connectivity of surface susceptibility and physical processes regulates hydrologic and erosional responses of water-limited lands - (Abstract Only)
Rangeland hillslope lengths: A case study at the Walnut Gulch Experimental Watershed, southeastern Arizona - (Peer Reviewed Journal)
Li, L., Nearing, M.A., Heilman, P., Nichols, M.H., Guertin, D., Williams, C.J. 2022. Rangeland hillslope lengths: A case study at the Walnut Gulch Experimental Watershed, southeastern Arizona. International Soil and Water Conservation Research. 10(4):597-609. https://doi.org/10.1016/j.iswcr.2022.02.004.
Introduction to the special issue “Ecohydrologic feedbacks between vegetation, soil, and climate” - (Peer Reviewed Journal)
Williams, C.J., Nouwakpo, S.K. 2022. Introduction to the special issue “Ecohydrologic feedbacks between vegetation, soil, and climate”. Water. 14(5). Article 760. https://doi.org/10.3390/w14050760.
Assessing runoff and erosion on woodland-encroached sagebrush steppe using the Rangeland Hydrology and Erosion Model - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr., F.B., Al-Hamdan, O., Nouwakpo, S.K., Johnson, J.C., Polyakov, V.O., Kormos, P., Shaff, S., Spaeth, K. 2022. Assessing runoff and erosion on woodland-encroached sagebrush steppe using the Rangeland Hydrology and Erosion Model. Ecosphere. 13(6). Article e4145. https://doi.org/10.1002/ecs2.4145.
New erodibility parameterization for applying WEPP on rangelands using ERMiT - (Peer Reviewed Journal)
Al-Hamdan, O.Z., Pierson Jr., F.B., Robichaud, P., Elliot, W.J., Williams, C.J. 2022. New erodibility parameterization for applying WEPP on rangelands using ERMiT. American Society of Agricultural and Biological Engineers. 65(2):251-264. https://doi.org/10.13031/ja.14564.
Precipitation impacts on earthen architecture for better implementation of cultural resource management in the US Southwest - (Peer Reviewed Journal)
Hart, S., Raymond, K., Williams, C.J., Johnson, J.C., Degayner, J., Guebard, M. 2021. Precipitation impacts on earthen architecture for better implementation of cultural resource management in the US Southwest. Heritage Science. 9. Article 143. https://doi.org/10.1186/s40494-021-00615-z.
Rangeland hydrologic cycle: rangeland processes handbook: hydrology and soil erosion - ()
Williams, C.J., Pierson Jr, F.B., Weltz, M.A., Nearing, M.A., Spaeth, K.E. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart A, No. 646.01). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Rangeland soil erosion processes: rangeland processes handbook: hydrology and soil erosion - ()
Williams, C.J., Pierson Jr, F.B., Nearing, M.A., Weltz, M.A., Spaeth, K.E., Hernandez Narvaez, M.N., Al-Hamdan, O.Z., Nouwakpo, S. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart B, No. 646.21). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Rangeland vegetation effects on soil erosion processes: rangeland processes handbook: hydrology and soil erosion - ()
Williams, C.J., Weltz, M.A., Nouwakpo, S., Pierson Jr, F.B., Spaeth, K.E., Nearing, M.A., Hernandez Narvaez, M.N., Al-Hamdan, O.Z. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart C, No. 646.31). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Vegetation and management interaction on soil erosion processes: rangeland processes handbook: hydrology and soil erosion - ()
Weltz, M.A., Nouwakpo, S., Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Nearing, M.A., Hernandez Narvaez, M.N., Al-Hamdan, O.Z. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart D, No. 646.41). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Historical Erosion prediction technology: rangeland processes handbook: hydrology and soil erosion - ()
Weltz, M.A., Nouwakpo, S., Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Nearing, M.A., Hernandez Narvaez, M.N., Al-Hamdan, O.Z. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart E, No. 646.51). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Current rangeland erosion prediction technology: rangeland processes handbook: hydrology and soil erosion - ()
Weltz, M.A., Nouwakpo, S., Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Nearing, M.A., Hernandez Narvaez, M.N., Al-Hamdan, O.Z. 2021. Rangeland Processes Handbook: Hydrology and Soil Erosion (NRCS Publication No 646, Title 190, Subpart F, No. 646.61). Natural Resources Conservation Service (NRCS). 1-108. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
Rangeland hydrology and erosion handbook: the RHEM guide - ()
Weltz, M.A., Hernandez Narvaez, M.N., Nearing, M.A., Spaeth, K.E., Pierson Jr, F.B., Williams, C.J., Al-Hamdan, O.Z., Nouwakpo, S., Armendariz, G.A., Wei, H., Goodrich, D.C., Guertin, P., Unkrich, C.L., Polyakov, V.O., McGwire, K., Nesbit, J.E., Frazier, G., Jolley, L., Stone, J. 2021. Rangeland Hydrology and Erosion Handbook: The RHEM Guide (NRCS Publication No 647, Title 190). Natural Resources Conservation Service (NRCS). 1-80. Available: https://directives.sc.egov.usda.gov/viewerFS.aspx?hid=47163
The USDA-Agricultural Research Service's Long Term Agro-ecosystems Walnut Gulch Experimental Watershed (WGEW), Arizona, USA - (Peer Reviewed Journal)
Goodrich, D.C., Heilman, P., Nearing, M.A., Nichols, M.H., Scott, R.L., Williams, C.J., Biederman, J.A. 2021. The USDA-Agricultural Research Service's Long Term Agro-ecosystems Walnut Gulch Experimental Watershed (WGEW), Arizona, USA. Hydrological Processes. 35, Article 14349. https://doi.org/10.1002/hyp.14349.
Asclepias dynamics on US rangelands: Implications for conservation of monarch butterflies and other insects - (Peer Reviewed Journal)
Spaeth Jr., K., Barbour, P., Moranz, R., Dinsmore, S., Williams, C.J. 2022. Asclepias dynamics on US rangelands: Implications for conservation of monarch butterflies and other insects. Ecosphere. 13(1). Article e03816. https://doi.org/10.1002/ecs2.3816.
Evaluation of a runoff monitoring methodology for rangelands: UBeTubes Reprint Icon - (Peer Reviewed Journal)
Schallner, J., Johnson, J., Williams, C.J., Ganguli, A. 2021. Evaluation of a runoff monitoring methodology for rangelands: UBeTubes. Rangeland Ecology and Management. 78:46-50. https://doi.org/10.1016/j.rama.2021.05.003.
Standardized aeolian transport observations to support local- to regional-scale modeling. - (Abstract Only)
Webb, N., Edwards, B., Van Zee, J.W., Courtright, E.M., McCord, S.E., Cooper, B., Duniway, M., Huggins, D.R., Metz, L., Moriasi, D.N., Newingham, B.A., Pierson Jr, F.B., Tatarko, J., Tedela, N., Toledo, D.N., Van Pelt, R.S., Williams, C.J. 2021. Vegetation canopy gap size and height: critical indicators for wind erosion monitoring and management. Association of American Geographers. 76/78-83. https://doi.org/10.1016/j.rama.2021.02.003.
Restoration of a shrub-encroached semiarid grassland: implications for structural, hydrologic, and sediment connectivity - (Peer Reviewed Journal)
Johnson, J., Williams, C.J., Guertin, D., Archer, S., Heilman, P., Pierson Jr, F.B., Wei, H. 2021. Restoration of a shrub-encroached semiarid grassland: implications for structural, hydrologic, and sediment connectivity. Ecohydrology. 14(4). Article e2281. https://doi.org/10.1002/eco.2281.
Long-term effectiveness of tree removal to re-establish sagebrush steppe vegetation and associated spatial patterns in surface conditions and soil hydrologic properties Reprint Icon - (Peer Reviewed Journal)
Williams, C.J., Johnson, J., Pierson Jr, F.B., Burleson, C., Polyakov, V.O., Kormos, P., Nouwakpo, S.K. 2020. Long-term effectiveness of tree removal to re-establish sagebrush steppe vegetation and associated spatial patterns in surface conditions and soil hydrologic properties. Water. 12(8). Article 2213. https://doi.org/10.3390/w12082213.
Advancements from long-term research on woody plant encroachment in the western United States: the hydrology component of the Sagebrush Steppe Treatment Evaluation Project (SageSTEP) - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Kormos, P., Al-Hamdan, O., Nouwakpo, S.K., Polyakov, V.O., Johnson, J. 2020. Advancements from long-term research on woody plant encroachment in the western United States: the hydrology component of the Sagebrush Steppe Treatment Evaluation Project (SageSTEP). Presented at the European Geosciences Union, EGU General Assembly 2020, May 4-8, 2020, Vienna, Austria. In EGU2020, Geophysical Research Abstracts, 22:12770.
Ecohydrology of pinyon and juniper woodlands - ()
Williams, C.J., Snyder, K.A., Pierson Jr, F.B. 2020. Ecohydrology of pinyon and juniper woodlands. In: Miller, R.F., Chambers, J.C., Evers, L., Williams, C.J., Snyder, K.A., Roundy, B.A., Pierson, F.B., editors. The Ecology, History, Ecohydrology, and Management of Pinyon and Juniper Woodlands in the Great Basin and Northern Colorado Plateau of the Western United States, General Technical Report, RMRS-GTR-403. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. pp. 129-163.
Brush management of a whitethorn acacia-encroached grassland enhances resource-conserving ‘shrub islands’ - (Abstract Only)
Johnson, J., Williams, C.J., Guertin, D., Archer, S., Pierson Jr, F.B. 2020. Brush management of a whitethorn acacia-encroached grassland enhances resource-conserving ‘shrub islands’. Presented at the 73rd Annual SRM Meeting, Transformation and Translation, Society for Range Management, February, 16-20, 2020, Denver, CO, Poster Number 65.
UBeTubes: a new runoff monitoring methodology for rangelands - (Abstract Only)
Schallner, J., Johnson, J., Williams, C.J., Ganguli, A. 2020. UBeTubes: a new runoff monitoring methodology for rangelands. Presented at the 73rd Annual SRM Meeting, Transformation and Translation, Society for Range Management, February, 16-20, 2020, Denver, CO, Poster Number 89.
Long-term impacts of pinyon-juniper removal on vegetation and hydrologic properties - (Abstract Only)
Burleson, C., Johnson, J., Williams, C.J., Polyakov, V.O., Pierson Jr, F.B. 2020. Long-term impacts of pinyon-juniper removal on vegetation and hydrologic properties. Presented at the 73rd Annual SRM Meeting, Transformation and Translation, Society for Range Management, February, 16-20, 2020, Denver, CO, Poster Number 42.
Vegetation, ground cover, soil, rainfall simulation, and overland-flow experiments before and after tree removal in woodland-encroached sagebrush steppe: the hydrology component of the Sagebrush Steppe Treatment Evaluation - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Kormos, P., Al-Hamdan, O.Z., Johnson, J. 2020. Vegetation, ground cover, soil, rainfall simulation, and overland-flow experiments before and after tree removal in woodland-encroached sagebrush steppe: the hydrology component of the Sagebrush Steppe Treatment Evaluation Project (SageSTEP). Earth System Science Data. 12(2):1347-1365. https://doi.org/10.5194/essd-12-1347-2020.
Interaction of wind and cold-season hydrologic processes on erosion from complex topography following wildfire in sagebrush steppe - (Peer Reviewed Journal)
Vega, S., Williams, C.J., Brooks, E., Pierson Jr, F.B., Strand, E., Robichaud, P., Brown, R., Seyfried, M.S., Lohse, K., Glossner, K., Pierce, J., Roehner, C. 2020. Interaction of wind and cold-season hydrologic processes on erosion from complex topography following wildfire in sagebrush steppe. Earth Surface Processes and Landforms. 45(4):841-861. https://doi.org/10.1002/esp.4778.
Evaluation of methods for assessing soil water repellency via a single tension infiltrometer experiment - (Abstract Only)
Johnson, J., Williams, C.J., Polyakov, V.O., Burleson, C. 2019. Evaluation of methods for assessing soil water repellency via a single tension infiltrometer experiment. American Geophysical Union. Presented at the American Geophysical Union Annual Fall Meeting, December 9-13, 2019, San Francisco, CA. Abstract H23S-2189.
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 - (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.
Vegetation, rainfall simulation, and overland flow experiments before and after tree removal in woodland-encroached sagebrush steppe: the SageSTEP hydrology study - ()
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z., Johnson, J.C. 2019. Vegetation, rainfall simulation, and overland flow experiments before and after tree removal in woodland-encroached sagebrush steppe: the SageSTEP hydrology study. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1504518.
Hydrologic model parameterization using dynamic Landsat-based vegetative estimates within a semiarid grassland - (Peer Reviewed Journal)
Kautz, M.A., Holifield Collins, C.D., Guertin, D., Goodrich, D.C., Van Leeuwen, W., Williams, C.J. 2019. Hydrologic model parameterization using dynamic Landsat-based vegetative estimates within a semiarid grassland. Journal of Hydrology. 575:1073-1086. https://doi.org/10.1016/j.jhydrol.2019.05.044.
Post-fire erosion by wind and cool-season runoff processes in sagebrush steppe, Great Basin, USA - (Abstract Only)
Williams, C.J., Vega, S., Pierson Jr, F.B., Brooks, E., Robichaud, P., Brown, R. 2019. Post-fire erosion by wind and cool-season runoff processes in sagebrush steppe, Great Basin, USA. European Geosciences Union General Assembly 2019, Geosciences Research Abstracts. 21:12271.
Evaluation of physical erosivity factor for interrill erosion on steep vegetated hillslopes - (Peer Reviewed Journal)
Shin, S., Park, S., Pierson, F.B., Williams, C.J. 2019. Evaluation of physical erosivity factor for interrill erosion on steep vegetated hillslopes. Journal of Hydrology. 571:559-572. https://doi.org/10.1016/j.jhydrol.2019.01.064.
Climate change impacts on wind and water erosion on US rangelands - (Peer Reviewed Journal)
Edwards, B.L., Webb, N.P., Brown, D.P., Elias, E.H., Peck, D.E., Pierson Jr, F.B., Williams, C.J., Herrick, J.E. 2019. Climate change impacts on wind and water erosion on US rangelands. Journal of Soil and Water Conservation. 74(4):405-418. https://doi.org/10.2489/jswc.74.4.405.
Spatial and temporal variability of the impacts of pinyon and juniper reduction on hydrologic and erosion processes across climatic gradients in the Western US: A regional synthesis - (Peer Reviewed Journal)
Williams, C.J., Snyder, K.A., Pierson Jr, F.B. 2018. Spatial and temporal variability of the impacts of pinyon and juniper reduction on hydrologic and erosion processes across climatic gradients in the Western US: A regional synthesis. Water. 10(11). https://doi.org/10.3390/w10111607.
Seasonal wetness, soil organic carbon, and fire influence soil hydrological properties and water repellency in a sagebrush-steppe ecosystem - (Peer Reviewed Journal)
Chandler, D.G., Cheng, Y., Seyfried, M.S., Madsen, M.D., Johnson, C.E., Williams, C.J. 2018. Seasonal wetness, soil organic carbon, and fire influence soil hydrological properties and water repellency in a sagebrush-steppe ecosystem. Water Resources Research. 54(10):8514-8527. https://doi.org/10.1029/2017WR021567.
Vegetation, hydrologic, and erosion responses of sagebrush steppe 9 yr following mechanical tree removal - (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.
Factors affecting efficacy of prescribed fire for western juniper control - (Peer Reviewed Journal)
Clark, P., Williams, C.J., Pierson, F.B. 2018. Factors affecting efficacy of prescribed fire for western juniper control. Rangeland Ecology and Management. 71(3):345-355. https://doi.org/10.1016/j.rama.2018.02.002.
Recovery of small-scale infiltration and erosion after wildfires - (Peer Reviewed Journal)
Larson-Nash, S.S., Robichaud, P.R., Pierson, F.B., Moffet, C.A., Williams, C.J., Spaeth, K.E., Brown, R.E., Lewis, S.A. 2018. Recovery of small-scale infiltration and erosion after wildfires. Journal of Hydrology and Hydromechanics. 66(3):261-270. https://doi.org/10.1515/johh-2017-0056.
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.
Postfire grazing management effects on mesic sagebrush-steppe vegetation: Mid-summer grazing - (Peer Reviewed Journal)
Clark, P., Williams, C.J., Kormos, P.R., Pierson, F.B. 2017. Postfire grazing management effects on mesic sagebrush-steppe vegetation: Mid-summer grazing. Journal of Arid Environments. 151:104-112. https://doi.org/10.1016/j.jaridenv.2017.10.005.
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.
The Rangeland Hydrology and Erosion Model: A dynamic approach for predicting soil loss on rangelands - (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.
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.
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.
Hydrology and erosion in Pinyon and Juniper woodlands of the Great Basin and implications for management 2352 - (Abstract Only)
Williams, C.J., Pierson Jr, F.B. 2017. Hydrology and erosion in Pinyon and Juniper woodlands of the Great Basin and implications for manaagement. Presented in Symposium: Pinyon and Juniper Woodlands in the Great Basin and Colorado Plateua: Natural History, Ecology, and Management, at the 70th Annual Society for Range Management Meeting, Red Rock and Rangelands, January 29-February 2, 2017, St. George, UT. (Invited).Symposium Abstract 5-09:20.
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.
Meteorological, snow, streamflow, topographic, and vegetation height data from four western juniper-dominated experimental catchments in southwestern Idaho, USA - (Peer Reviewed Journal)
Kormos, P.R., Marks, D.G., Pierson, F.B., Williams, C.J., Hardegree, S.P., Boehm, A.R., Havens, S.C., Hedrick, A., Svejcar, A. 2017. Meteorological, snow, streamflow, topographic, and vegetation height data from four western juniper-dominated experimental catchments in southwestern Idaho, USA. Earth System Science Data. 9:91-98. doi:10.5194/essd-9-91-2017.
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 - (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.
Ecohydrologic impacts of rangeland fire on runoff and erosion: A literature synthesis - ()
Pierson Jr, F.B., Williams, C.J. 2016. Ecohydrologic impacts of rangeland fire on runoff and erosion: A literature synthesis. Gen. Tech. Rep. RMRS-GTR-351. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 110 p.
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.
Ecosystem water availability in juniper versus sagebrush snow-dominated rangelands - (Peer Reviewed Journal)
Kormos, P.R., Marks, D.G., Pierson, F.B., Williams, C.J., Hardegree, S.P., Havens, S.C., Hedrick, A., Bates, J.D., Svejcar, A.J. 2017. Ecosystem water availability in juniper versus sagebrush snow-dominated rangelands. Rangeland Ecology and Management. 70(1):116-128. https://doi.org/10.1016/j.rama.2016.05.003.
Data set: weather, snow, and streamflow data from four western juniper-dominated experimental catchments in southwestern Idaho, USA - ()
Kormos, P.R., Marks, D.G., Boehm, A.R., Havens, S.C., Hedrick, A., Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Bates, J.D., Svejcar, A., Winstral, A. 2016. Data set: Weather, snow, and streamflow data from four western juniper-dominated experimental catchments in southwestern Idaho, USA, Ag Data Commons, USDA Agricultural Library, http://dx.doi.org/10.15482/USDA.ADC/1254010.
Ecohydrologic response and recovery of a semi-arid shrubland over a five year period following burning - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Kormos, P.R., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P. 2016. Ecohydrologic response and recovery of a semi-arid shrubland over a five year period following burning. Catena. 144:163-176.
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.
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.
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.
Assessing impacts of fire and post-fire mitigation on runoff and erosion from rangelands - ()
Pierson, F.B., Williams, C.J., and Robichaud, P.R. 2015. Assessing impacts of fire and post-fire mitigation on runoff and erosion from rangelands. Great Basin Factsheet Series, Number 11. Published jointly by the Joint Fire Science Program, Great Basin Fire Science Exchange, Great Basin Research and Management Partnership, Great Basin Landscape Conservation Cooperative, and the Sagebrush Steppe Treatment Evaluation Project. 6 p.
Postfire grazing management effects on mesic sagebrush-steppe vegetation: spring grazing - (Peer Reviewed Journal)
Clark, P., Williams, C.J., Hardegree, S.P., Pierson Jr, F.B. 2016. Postfire grazing management effects on mesic sagebrush-steppe vegetation: spring grazing. Journal of Arid Environments. 132:49-59.
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.
Cross-scale structural and functional connectivity as a driver of hillslope erosion on disturbed landscapes - (Abstract Only)
Williams, C.J., Pierson, F.B., Robichaud, P.R., Al-Hamdan, O.Z., Boll, J., and Strand, E.K. 2015. Cross-scale structural and functional connectivity as a driver of hillslope erosion on disturbed landscapes. Presented at the American Geophysical Union Annual Fall Meeting, December 14-18, 2015, San Francisco, CA.
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.
Short-term impacts of tree removal on runoff and erosion from sagebrush-steppe hillslopes - (Peer Reviewed Journal)
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P. 2015. Short-term impacts of tree removal on runoff and erosion from sagebrush-steppe hillslopes. Rangeland Ecology and Management. 68:408-422.
Structural and functional connectivity as a driver of hillslope erosion following disturbance - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Robichaud, P.R., Al-Hamdan, O.Z., Boll, J., Strand, E.K. 2015. Structural and functional connectivity as a driver of hillslope erosion following disturbance. International Journal of Wildland Fire. doi: 10.1071/WF14114.
Hydrologic ramifications of an increased role of wildland fire across the rangeland-dry forest continuum - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Al-Hamdan, O.Z. 2015. Hydrologic ramifications of an increased role of wildland fire across the rangeland-dry forest continuum [abstract]. Presented at the Great Basin Consortium Conference, Climate programs, Water Limitations, and Geospaces in the Great Basin, Boise State University, February 17-19, 2015, Boise, ID.
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.
Prescribed fire effects on runoff, erosion, and soil water repellency on steeply-sloped sagebrush rangeland over a five year period - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Al-Hamdan, O.Z. 2015. Prescribed fire effects on runoff, erosion, and soil water repellency on steeply-sloped sagebrush rangeland over a five year period [abstract]. Presented at the American Geophysical Union Annual Fall Meeting, December 15-19, 2014, San Francisco, CA.
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.
Hydrologic impacts of woodland encroachment and tree removal in Great Basin sagebrush steppe Reprint Icon - (Abstract Only)
Williams, C.J., F.B. Pierson, and O.Z. Al-Hamdan. 2014. Hydrologic Impacts of Woodland Encroachment and Tree Removal in Great Basin Sagebrush Steppe. Presented at the 2014 Joint Regional Conference of the Society for Ecological Restoration, Northwest and Great Basin Chapters, Collaborative Restoration: From Community Efforts to Landscape Scales, October 6-10, 2014, Redmond, Oregon.
Assessment of fire impacts on hydrology and erosion using field experiments and the Rangeland Hydrology and Erosion Model - (Abstract Only)
Williams, C.J., Pierson, F.B., Robichaud, P.R., Boll, J. 2015. Assessment of fire impacts on hydrology and erosion using field experiments and the Rangeland Hydrology and Erosion Model [abstract]. Accepted by the SEDHYD 2015 joint 10th Federal Interagency Sedimentation Conference and 5th Federal Interagency Hydrology Modeling Conference, April 19-23, 2015, Reno, NV.
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.
A synopsis of short-term responses to alternative restoration treatments in sagebrush-steppe: the SageSTEP project Reprint Icon - (Peer Reviewed Journal)
Mciver, J., Brunson, M., Bunting, S., Chambers, J., Doescher, P., Grace, J., Hulet, A., Johnson, D., Knick, S., Miller, R., Pierson Jr, F.B., Pyke, D., Rau, B.M., Rollins, K., Roundy, B., Schupp, E., Tausch, R., Williams, C.J. 2014. A synopsis of short-term responses to alternative restoration treatments in sagebrush-steppe: the SageSTEP project. Rangeland Ecology and Management. 67:584-598.
Soil, snow, weather, and sub-surface storage data from a mountain catchment in the rain-snow transition zone - (Peer Reviewed Journal)
Kormos, P., Marks, D.G., Williams, C.J., Marshall, H., Aishlin, P., Chandler, D., Mcnamara, J.P. 2014. Soil, snow, weather, and sub-surface storage data from a mountain catchment in the rain-snow transition zone. Electronic Publication. 6:165-173.
Short-term effects of tree removal on infiltration, runoff, and erosion in woodland-encroached sagebrush steppe Reprint Icon - (Peer Reviewed Journal)
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z. 2014. Short-term effects of tree removal on infiltration, runoff, and erosion in woodland-encroached sagebrush steppe. Rangeland Ecology and Management. 67:522-538.
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.
Hydrologic vulnerability of western US rangelands in the wake of woodland encroachment and increasing wildfire activity - (Abstract Only)
Williams, C.J., Pierson, F.B., Al-Hamdan, O.Z., and Kormos, P.R. 2013. Hydrologic vulnerability of western US rangelands in the wake of woodland encroachment and increasing wildfire activity. Presented at the American Geophysical Union Annual Fall Meeting, December 9-13, 2013, San Francisco, CA.
A Review of Fire Effects on Vegetation and Soils in the Great Basin Region: Response and Ecological Site Characteristics - ()
Miller, R. F.; Chambers, J. C.; Pyke, D. A.; Pierson, F. B.; Williams, C. J. 2013. A Review of Fire Effects on Vegetation and Soils in the Great Basin Region: Response and Ecological Site Characteristics. General Technical Report, RMRS-GTR-308. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 126 p.
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.
Hydrologic and erosion responses to wildfire along the rangeland-xeric forest continuum in the western US: a review and model of hydrologic vulnerability - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Robichaud, P.R., Boll, J. 2014. Hydrologic and erosion responses to wildfire along the rangeland-xeric forest continuum in the western US: a review and model of hydrologic vulnerability. International Journal of Wildland Fire. 23:155-172. DOI: http://dx.doi.org/10.1071/WF12161.
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.
A decade of advancement in understanding of rangeland hydrology and erosion and the effects of conservation practices - (Abstract Only)
Pierson, F.B., Spaeth, K.E., Williams, C.J., and Al-Hamdan, O.Z. 2013. A decade of advancement in understanding of rangeland hydrology and erosion and the effects of conservation practices [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.
Significance of connectivity and post-wildfire runoff - (Abstract Only)
Williams, C.J., Al-Hamdan, O.Z., Pierson, F.B., Robichaud, P.R., and Boll, J. 2013. Significance of connectivity and post-wildfire runoff [abstract]. In: Moody, J.A., and Martin, D.A [eds.]. Collected Abstracts for the AGU Chapman Conference, Synthesizing Empirical Results to Improve Predictions of Post-fire Runoff and Erosion Responses, American Geophysical Union, August 25-31, 2013, Estes Park, CO. p. 165.
Hydrologic and erosion responses of sagebrush steppe following juniper encroachment, wildfire, and tree cutting - (Peer Reviewed Journal)
Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Clark, P., Kormos, P.R., Al-Hamdan, O.Z. 2013. Hydrologic and erosion responses of sagebrush steppe following juniper encroachment, wildfire, and tree cutting. Rangeland Ecology and Management. 66:274-289.
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.
Can wildfire serve as an ecohydrologic threshold-reversal mechanism on juniper-encroached shrublands - (Peer Reviewed Journal)
Williams, C.J., Pierson Jr, F.B., Al-Hamdan, O.Z., Kormos, P.R., Hardegree, S.P., Clark, P. 2014. Can wildfire serve as an ecohydrologic threshold-reversal mechanism on juniper-encroached shrublands. Ecohydrology. 7:453-477. DOI: 10.1002/eco.1364.
Simulating the effect of fire on the ARS Reynolds Creek Experimental Watershed - ()
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.
Wildfire as a mechanism to reverse ecohydrologic thresholds in juniper-encroached shrublands - (Abstract Only)
Williams, C.J., Pierson, F.B., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P.E., and Kormos, P.R. 2012. Wildfire as a mechanism to reverse ecohydrologic thresholds in juniper-encroached shrublands. Presented at the American Geophysical Union Annual Fall Meeting, December 3-7, 2012, San Francisco, CA.
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.
Rainfall and sheet power equation for interrill erosion on steep hillslope - (Abstract Only)
Shin, S.S., Park, S.D., Pierson, F.B., Al-Hamdan, O.Z., and Williams, C.J. 2012. Rainfall and sheet power equation for interrill erosion on steep hillslope. Presented at the American Geophysical Union Annual Fall Meeting, December 3-7, 2012, San Francisco, CA.
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.
Hydrologic response of sagebrush steppe to woodland encroachment and subsequent tree removal: implications for assessing sagebrush steppe hydrologic stability and resiliency - (Abstract Only)
Pierson, F.B., Williams, C.J., Kormos, P.R., and Al-Hamdan, O.Z. 2012. Hydrologic Response of Sagebrush Steppe to Woodland Encroachment and Subsequent Tree Removal: Implications for Assessing Sagebrush Steppe Hydrologic Stability and Resiliency. In: Abstracts of the 65th Annual Meeting of the Society for Range Management, January 29 - February 3, 2012, Spokane, WA.
Hydrologic impacts associated with the increased role of wildland fire across the rangeland-xeric forest continuum of the Great Basin and Intermountain West, USA - (Abstract Only)
Williams, C.J., Pierson, F.B., Robichaud, P.R., Boll, J., and Al-Hamdan, O.Z. 2011. Hydrologic Impacts Associated with the Increased Role of Wildland Fire Across the Rangeland-Xeric Forest Continuum of the Great Basin and Intermountain West, USA. Abstract H31B-1157. Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.
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.
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.
Suitability of terrestrial laser scanning for studying surface roughness effects on concentrated flow erosion processes in rangelands - (Peer Reviewed Journal)
Eitel, J.U., Williams, C.J., Vierling, L.A., Al-Hamdan, O.Z., Pierson Jr, F.B. 2011. Suitability of terrestrial laser scanning for studying surface roughness effects on concentrated flow erosion processes in rangelands. Catena. 87(2):398-407.
Hydrologic and erosional impacts associated with an increased role of wildland fire on western rangelands - (Abstract Only)
Williams, C.J., and Pierson, F.B. 2011. Hydrologic and Erosional Impacts Associated with an Increased Role of Wildland Fire on Western Rangelands. In: Abstracts of the Association for Fire Ecology Interior West Conference, November 14-17, 2011, Snowbird, UT.
Surface roughness effects on concentrated flow erosion processes in rangelands pre- and post-fire - (Abstract Only)
Eitel, J., Williams, C.J., Vierling, L., Al-Hamdan, O.Z., and Pierson, F.B. 2011. Surface Roughness Effects on Concentrated Flow Erosion Processes in Rangelands Pre- and Post-Fire. In: Abstracts of the Association for Fire Ecology Interior West Conference, November 14-17, 2011, Snowbird, UT.
Runoff and erosion responses on burned and unburned sagebrush steppe and wooded shrublands in the Great Basin, USA - (Abstract Only)
Pierson, F.B., Williams, C.J., Kormos, P.R., and Al-Hamdan, O.Z. 2011. Runoff and Erosion Responses on Burned and Unburned Sagebrush Steppe and Wooded Shrublands in the Great Basin, USA. In: Abstracts of the Association for Fire Ecology Interior West Conference, November 14-17, 2011, Snowbird, UT.
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.
Invasion of shrublands by exotic grasses: Ecohydrological consequences in cold vs. warm deserts - (Peer Reviewed Journal)
Wilcox, B.P., Turnbull, L., Young, M.H., Williams, C.J., Ravi, S., Seyfried, M.S., Bowling, D.R., Scott, R.L., Germino, M.J., Caldwell, T.G., and Wainwright, J. 2012. Invasion of shrublands by exotic grasses: Ecohydrological consequences in cold versus warm deserts. Ecohydrology. 5:160-173.
Invasion of shrublands by exotic grasses: Ecohydrological consequences in cold vs. warm deserts - (Peer Reviewed Journal)
Wilcox, B., Turnbull, L., Young, M., Williams, C.J., Ravi, S., Seyfried, M.S., Bowling, D., Scott, R.L., Germino, M., Caldwell, T., Wainwright, J. 2012. Invasion of shrublands by exotic grasses: Ecohydrological consequences in cold vs. warm deserts. Ecohydrology. 5: 160-173.
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.
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.
Ecohydrological consequences of grasses invading shrublands: A comparison of cold and warm deserts - (Abstract Only)
Wilcox, B.P., Turnbull, L., Young, M., Williams, C.J., Ravi, S., Seyfried, M.S., Bowling, D.R., Scott, R.L., Caldwell, T.G., Wainwright, J., and Germino, M.J. 2010. Ecohydrological consequences of grasses invading shrublands: A comparison of cold and warm deserts. Presented at 2010 Fall Meeting, American Geophysical Meeting, San Francisco, California, 13-17 December 2010, Abstract H32B-08.
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.
Suitability of terrestrial laser scanner derived surface roughness for predicting rill erosion in rangeland ecosystems - (Abstract Only)
Eitel, J.U.H., Williams, C.J., Vierling, L.A., Al-Hamdan, O.Z., and Pierson, F.B. 2010. Suitability of Terrestrial Laser Scanner Derived Surface Roughness For Predicting Rill Erosion in Rangeland Ecosystems. Presented at 2010 Fall Meeting, American Geophysical Union, San Francisco, California, 13-17 December 2010, Abstract B41C-0316.
Hydrologic vulnerability and risk assessment associated with the increased role of fire on western landscapes, Great Basin, USA - (Abstract Only)
Williams, C.J., Pierson, F.B., Robichaud, P.R., Spaeth, K.E., Hardegree, S.P., Clark, P.E., Moffet, C.A., Al-Hamdan, O.Z., and Boll, J. 2010. Hydrologic Vulnerability and Risk Assessment Associated with the Increased Role of Fire on Western Landscapes, Great Basin, USA. Presented at 2010 Fall Meeting, American Geophysical Union, San Francisco, California, 13-17 December 2010.
Hydrologic vulnerability of Great Basin sagebrush-steppe following pinyon and juniper encroachment - (Abstract Only)
Williams, C.J., Pierson, F.B., Kormos, P.R., Hardegree, S.P., Clark, P.E., and Al-Hamdan, O.Z. 2011. Hydrologic Vulnerability of Great Basin Sagebrush-Steppe Following Pinyon and Juniper Encroachment. In: Abstracts of the 64th Annual Meeting of the Society for Range Management, February 6-10, 2011, Billings, MT.
Optimizing regional collaborative efforts to achieve long-term discipline-specific objectives - (Abstract Only)
Pierson, F.B., Robichaud, P.R., Spaeth, K., Williams, C.J., and Al-Hamdan, O.Z. 2011. Optimizing Regional Collaborative Efforts to Achieve Long-Term Discipline-Specific Objectives. In: Abstracts of the 64th Annual Meeting of the Society for Range Management, February 6-10, 2011, Billings, MT.
Hydrologic vulnerability of sagebrush steppe following pinyon and juniper encroachment - (Peer Reviewed Journal)
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Hardegree, S.P., Clark, P., Rau, B.M. 2010. Hydrologic vulnerability of sagebrush steppe following pinyon and juniper encroachment. Rangeland Ecology and Management. 63(6):614-629.
Use of rainfall simulation and concentrated flow experiments to characterize rangeland hydrologic and erosional processes in the Great Basin, USA - (Abstract Only)
Pierson Jr, F.B., Robichaud, P.R., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z., Boll, J. 2010. Use of Rainfall Simulation and Concentrated Flow Experiments to Characterize Rangeland Hydrologic and Erosional Processes in the Great Basin, USA. In: Proceedings of European Geosciences General Assembly, May 2-7, 2010, Vienna, Austria, Geophysical Research Abstracts, Volume 12, EGU2010-7674.
Influence of soil water repellency on infiltration into fine- to coarse-textured soils of burned and unburned rangeland ecosystems in the Great Basin, USA - (Abstract Only)
Pierson Jr, F.B., Robichaud, P.R., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z. 2010. Influence of soil water repellency on infiltration into fine- to coarse-textured soils of burned and unburned rangeland ecosystems in the Great Basin, USA. In: Proceedings of European Geosciences Assembly, May 2-7, 2010, Vienna, Austria, Geophysical Research Abstracts, Volume 12, EGU2010-7696.
Hydrologic response to mechanical shredding in a juniper woodland - (Peer Reviewed Journal)
Cline, N.L., Roundy, B.A., Pierson, F.B., Kormos, P., and Williams, C.J. 2010. Hydrologic Response to Mechanical Shredding in a Juniper Woodland. Rangeland Ecology and Management. 63:467-477.
Slope impacts on concentrated flow hydraulics in rangeland - (Abstract Only)
Al-Hamdan, O.Z., Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Nearing, M.A., Boll, J. 2009. Slope Impacts on Concentrated Flow Hydraulics in Rangeland, EOS Transactions, American Geophysical Union 90(52), Fall Meeting Supplement, Abstract EP31B-0595.
Hydrologic impacts of soil water repellency on fine-to-coarse-textured soils of wooded shrublands and shrub-steppe communities - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Kormos, P.R., Al-Hamdan, O.Z. 2009. Hydrologic Impacts of Soil Water Repellency on Fine-to-Coarse-Textured Soils of Wooded Shrublands and Shrub-Steppe Communities. In:AGU Chapman Conference on Examining Ecohydrological Feedbacks of Landscape Change Along Elevation Gradients in Semiarid Regions, American Geophysical Union, Boise and Sun Valley, Idaho, October 4-8, 2009.
Vegetation and groundcover influences on hydrology and erosion in pinyon and juniper woodland communities - (Abstract Only)
Pierson Jr, F.B., Kormos, P.R., Williams, C.J. 2008. Vegetation and Groundcover Influences on Hydrology and Erosion in Pinyon and Juniper Woodland Communities. In:15th International Congress of the International Soil and Water Conservation Organization Book of Abstracts, May 18-23,2008, Budapest-Hungary.
Soil water repellency and ground cover effects on infiltration in response to prescribed burning of steeply-sloped sagebrush hillslopes - (Abstract Only)
Weigel, A.B., Pierson Jr, F.B., Kormos, P.R., Williams, C.J., Pierce, J.L. 2008. Soil Water Repellency and Ground Cover Effects on Infiltration in Response to Prescribed Burning of Steeply-Sloped Sagebrush Hillslopes. EOS Transactions, American Geophysical Union 89(53), Fall Meeting Supplement, Abstract H33D-1036.
Hydrologic response of mechanical mastication in juniper woodland in Utah - (Abstract Only)
Cline, N.L., Roundy, B.A., Pierson Jr, F.B., Kormos, P.R., Williams, C.J. 2009. Hydrologic Response of Mechanical Mastication in Juniper Woodland in Utah. In: Proceedings of the 62nd Annual Meeting, Merging Trails: Culture, Science, and Innovation, Society for Range Management, February 8-12, 2009, Albuquerque, NM.
Hydrologic effects of fire in sagebrush plant communities: Implications for rangeland hydrology and erosion modeling - (Abstract Only)
Pierson Jr, F.B., Robichaud, P.R., Moffet, C.A., Spaeth, K.E., Williams, C.J. 2009. Hydrologic Effects of Fire in Sagebrush Plant Communities: Implications for Rangeland Hydrology and Erosion Modeling. In: Proceedings of the 62nd Annual Meeting, Merging Trails: Culture, Science, and Innovation, Society for Range Management, February 8-12, 2009, Albuquerque, NM.
Prescribed-fire effects on rill and interrill runoff and erosion in a mountainous sagebrush landscape - (Peer Reviewed Journal)
Pierson Jr, F.B., Moffet, C.A., Williams, C.J., Hardegree, S.P., Clark, P. 2009. Prescribed-Fire Effects on Rill and Interrill Runoff and Erosion in a Mountainous Sagebrush Landscape. Earth Surface Processes and Landforms. 34:193-203.
Soil water repellency and infiltration in coarse-textured soils of burned and unburned sagebrush ecosystems - (Peer Reviewed Journal)
Pierson, F.B., Robichaud, P.R., Moffet, C.A., Spaeth, K.E., Williams, C.J., Hardegree, S.P., and Clark, P.E. 2008. Soil water repellency and infiltration in coarse-textured soils of burned and unburned sagebrush ecosystems. Catena 74:98-108.
Hydrologic and erosional impacts of pinyon and juniper encroachment into sagebrush steppe communities of the Great Basin, USA. - (Proceedings)
Pierson Jr, F.B., Kormos, P.R., and Williams, C.J. 2008. Hydrologic and erosional impacts of pinyon and juniper encroachment into sagebrush steppe communities of the Great Basin, USA. In: Proceedings of the 15th International Congress of the International Soil and Water Conservation Organization, May 18-23, 2008, Budapest-Hungary. CD-ROM.
The influence of woodland encroachment on runoff and erosion in sagebrush steppe systems, Great Basin, USA - (Abstract Only)
Pierson, F.B., Kormos, P.R. and Williams, C.J. 2007. The Influence of Woodland Encroachment on Runoff and Erosion in Sagebrush Steppe Systems, Great Basin, USA. EOS Transactions, American Geophysical Union, 88(52), Fall Meeting Supplement, Abstract H31G-0750.
Fire effects on runoff generation and sediment yield from a coarse-textured sagebrush-dominated landscape - (Abstract Only)
Williams, C.J., Pierson Jr, F.B., Kormos, P.R.,and Moffet, C.A. 2007. Fire effects on runoff generation and sediment yield from a coarse-textured sagebrush-dominated landscape. Eos Trans American Geophysical Union, 88(52), Fall Meeting Supplement, Abstract H43F-1685.
Fire effects on rangeland hydrology and erosion in a steep sagebrush-dominated landscape - (Peer Reviewed Journal)
Pierson, F.B., Robichaud, P.R., Moffet, C.A., Spaeth, K.E., Hardegree, S.P., Clark, P.E., and Williams, C.J. 2008. Fire Effects on Rangeland Hydrology and Erosion in a Steep Sagebrush-Dominated Landscape. Hydrological Processes: 22, 2916-2929.
First year soil and runoff response to compaction after mechanical mastication of juniper woodland - (Abstract Only)
Cline, N.A., Roundy, B.A., Pierson Jr, F.B., Kormos, P.R., and Williams, C.J. 2008. First Year Soil and Runoff Response to Compaction After Mechanical Mastication of Juniper Woodland. In: Proceedings of the 2008 Joint Meeting of the Society for Range Management and the American Forage and Grassland Council, January 26 - 31, 2008, Louisville, KY.
Fire impacts on rangeland hydrology and erosion in a steep sagebrush dominated landscape - (Abstract Only)
Williams, C.J., Pierson, F.B., Robichaud, P.R., and Moffet, C.A. 2006. Fire impacts on rangeland hydrology and erosion in a steep sagebrush dominated landscape. Eos Trans American Geophysical Union 87(52), Fall Meeting Supplement, Abstract H13B-1396.