Search Results - "Polyakov, Viktor O."

Assessing runoff and erosion on woodland‐encroached sagebrush steppe using the Rangeland Hydrology and Erosion Model by Williams, C. Jason, Pierson, Frederick B., Al‐Hamdan, Osama Z., Nouwakpo, S. Kossi, Johnson, Justin C., Polyakov, Viktor O., Kormos, Patrick R., Shaff, Scott E., Spaeth, Kenneth E.

“…The transition of sagebrush‐dominated (Artemisia spp.) shrublands to pinyon (Pinus spp.) and juniper (Juniperus spp.) woodlands markedly alters…”
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Long-Term Effectiveness of Tree Removal to Re-Establish Sagebrush Steppe Vegetation and Associated Spatial Patterns in Surface Conditions and Soil Hydrologic Properties by Williams, C. Jason, Johnson, Justin C., Pierson, Frederick B., Burleson, Cameron S., Polyakov, Viktor O., Kormos, Patrick R., Nouwakpo, S. Kossi

“…Pinyon (Pinus spp.) and juniper (Juniperus spp.) woodland encroachment into sagebrush (Artemisia spp.) steppe communities throughout western North America has…”
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Slope–velocity equilibrium and evolution of surface roughness on a stony hillslope by Nearing, Mark A, Polyakov, Viktor O, Nichols, Mary H, Hernandez, Mariano, Li, Li, Zhao, Ying, Armendariz, Gerardo

“…Slope–velocity equilibrium is hypothesized as a state that evolves naturally over time due to the interaction between overland flow and surface morphology,…”
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Using terrestrial LiDAR to measure water erosion on stony plots under simulated rainfall by Li, Li, Nearing, Mark A., Nichols, Mary H., Polyakov, Viktor O., Cavanaugh, Michelle L.

“…Terrestrial LiDAR scanning (TLS) technology is widely used to detect terrain elevation changes. This study examines the potential use of terrestrial LiDAR to…”
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Semiarid Watershed Response to Low-Tech Porous Rock Check Dams by Nichols, Mary H, Polyakov, Viktor O, Nearing, Mark A, Hernandez, Mariano

“…ABSTRACTRock check dams are used throughout the world to mitigate erosion problems on degraded lands. Many restoration efforts on rangelands in the…”
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Soil erosion rates in two karst peak-cluster depression basins of northwest Guangxi, China: Comparison of the RUSLE model with 137Cs measurements by Feng, Teng, Chen, Hongsong, Polyakov, Viktor O., Wang, Kelin, Zhang, Xinbao, Zhang, Wei

“…Reliable estimation of erosion in karst areas is difficult because of the heterogeneous nature of infiltration and sub-surface drainage. Understanding the…”
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Application of Ecological Site Information to Transformative Changes on Great Basin Sagebrush Rangelands by Williams, C. Jason, Pierson, Frederick B, Spaeth, Kenneth E, Brown, Joel R, Al-Hamdan, Osama Z, Weltz, Mark A, Nearing, Mark A, Herrick, Jeffrey E, Boll, Jan, Robichaud, Peter R, Goodrich, David C, Heilman, Philip, Guertin, D. Phillip, Hernandez, Mariano, Wei, Haiyan, Polyakov, Viktor O, Armendariz, Gerardo, Nouwakpo, Sayjro K, Hardegree, Stuart P, Clark, Patrick E, Strand, Eva K, Bates, Jonathan D, Metz, Loretta J, Nichols, Mary H

“…The utility of ecological site descriptions (ESD) in the management of rangelands hinges on their ability to characterize and predict plant community change,…”
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Rainfall erosivity: An historical review by Nearing, Mark A., Yin, Shui-qing, Borrelli, Pasquale, Polyakov, Viktor O.

“…Rainfall erosivity is the capability of rainfall to cause soil loss from hillslopes by water. Modern definitions of rainfall erosivity began with the…”
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Evolution of rock cover, surface roughness, and its effect on soil erosion under simulated rainfall by Li, Li, Nearing, Mark A., Polyakov, Viktor O., Nichols, Mary H., Pierson, Frederick B., Cavanaugh, Michelle L.

“…•Rock cover, surface physical and hydraulic roughness increased as rainfall progressed.•Steeper slopes developed greater surface physical and hydraulic…”
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Soil loss from small rangeland plots under simulated rainfall and run-on conditions by Polyakov, Viktor O., Nearing, Mark A., Stone, Jeffry J.

“…•Sediment yield was best predicted by discharge for both rainfall and run-on.•Rainfall treatment generated 2 to 44 times more sediment than run-on.•Raindrop…”
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The effects of DEM interpolation on quantifying soil surface roughness using terrestrial LiDAR by Li, Li, Nearing, Mark A., Nichols, Mary H., Polyakov, Viktor O., Phillip Guertin, D., Cavanaugh, Michelle L.

“…•DEMs generated from LiDAR points for quantifying soil surface roughness at plot scales.•Examine the effects of LiDAR-derived DEM on quantifications of surface…”
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Temporal and spatial evolution of soil surface roughness on stony plots by Li, Li, Nearing, Mark A., Nichols, Mary H., Polyakov, Viktor O., Larrabee Winter, C., Cavanaugh, Michelle L.

“…•Soil surface roughness increased as rainfall progressed.•Steeper slope developed greater surface roughness.•LiDAR points were directly used without generating…”
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The reduction of partitioned wind and water erosion by conservation agriculture by Van Pelt, R. Scott, Hushmurodov, Shaymonkul X., Baumhardt, R. Louis, Chappell, Adrian, Nearing, Mark A., Polyakov, Viktor O., Strack, John E.

“…Soil loss due to wind and water erosion degrades the soil on-site and results in environmental problems due to deposition in off-site areas downstream and…”
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Determining soil erosion rates on semi‐arid watersheds using radioisotope‐derived sedimentation chronology by Polyakov, V. O., Nichols, M. N., Nearing, M. A.

“…This study investigates erosion dynamics of the past 90 years in three small semi‐arid watersheds with histories of grazing and vegetation change. Activity of…”
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Quantifying decadal-scale erosion rates and their short-term variability on ecological sites in a semi-arid environment by Polyakov, V.O., Nearing, M.A., Stone, J.J., Holifield Collins, C.D., Nichols, M.H.

“…Soil erosion rates on six semi-arid loamy upland rangeland sites located in southeastern Arizona were measured using a rainfall simulator and 137Cs fallout…”
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Tracing Sediment Movement on a Semiarid Watershed using Rare Earth Elements by Polyakov, V.O, Kimoto, A, Nearing, M.A, Nichols, M.H

“…A multi-tracer method employing rare earth elements (REE) was used to determine sediment yield and to track sediment movement in a small semiarid watershed. A…”
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Comparison of two stream gauging systems for measuring runoff and sediment yield for a semi-arid watershed by Polyakov, V. O., Nearing, M. A., Hawdon, A. A., Wilkinson, S. N., Nichols, M. H.

“…ABSTRACT Our ability to understand erosion processes in semi‐arid ecosystems depends on establishing relationships between rainfall and runoff. This requires…”
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