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ARS Home » Pacific West Area » Kimberly, Idaho » Northwest Irrigation and Soils Research » People & Locations » Sayjro Nouwakpo
Sayjro Kossi Nouwakpo
Northwest Irrigation and Soils Research
Research Soil Scientist

Phone: (208) 423-6508
Fax: (208) 423-6555

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Improving Water Productivity and Quality in Irrigated Landscapes of the Northwestern United States
In-House Appropriated (D)
  Accession Number: 441338
Hydrology and Erosion Dynamics Following Compost Applications on Annual Grassland
Interagency Reimbursable Agreement (I)
  Accession Number: 440925
FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (On Croplands) - Kimberly
Interagency Reimbursable Agreement (I)
  Accession Number: 440997
FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands)
Interagency Reimbursable Agreement (I)
  Accession Number: 443238
Mapping Irrigation Methods using Artificial Intelligence
Non-Assistance Cooperative Agreement (S)
  Accession Number: 444583
Consequences of Uniformly Managing Irrigated Fields with Variable Soil Depths
Non-Assistance Cooperative Agreement (S)
  Accession Number: 443183
Assessing Water Quality Trends in the TFCC Irrigation Project
Trust Fund Cooperative Agreement (T)
  Accession Number: 443399

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Data from: Understanding the effects of grazing and prescribed fire on hydrology of Kentucky bluegrass–dominated rangelands in the northern Great Plains Reprint Icon - (Database / Dataset)
Toledo, D.N., Nouwakpo, S.K., Kobilansky, C.L. 2024. Data from: Understanding the effects of grazing and prescribed fire on hydrology of Kentucky bluegrass–dominated rangelands in the northern Great Plains. Ag Data Commons. Dataset. https://doi.org/10.15482/USDA.ADC/26820697.v1.
Phosphorus lability across diverse agricultural contexts with legacy sources - (Peer Reviewed Journal)
Mapping irrigation types in the northwestern US using deep learning classification Reprint Icon - (Peer Reviewed Journal)
Nouwakpo, S.K., Bjorneberg, D.L., Mcgwire, K. 2024. Mapping irrigation types in the northwestern US using deep learning classification. IEEE Transactions on Geoscience and Remote Sensing. 60(8):1-16. https://doi.org/10.1029/2023WR036155.
Establishing a standard protocol for soil texture analysis using the laser diffraction technique Reprint Icon - (Peer Reviewed Journal)
Stacanelli Pires, I., Nouwakpo, S.K., Bjorneberg, D.L., Rogers, C.W., Vitko, L.F. 2024. Establishing a standard protocol for soil texture analysis using the laser diffraction technique. Soil Science Society of America Journal. https://doi.org/10.1002/saj2.20738.
Characterizing Legacy P and simulating mitigation strategies as part of the USDA Legacy P Project - (Abstract Only)
A database for ancillary information of three-dimensional soil surface microtopography measurements Reprint Icon - (Abstract Only)
Nouwakpo, S.K., Eltner, A., Candido, B., Nichols, M.H., Wacha, K.M., Yingkui, L., Washington-Allen, R. 2024. A database for ancillary information of three-dimensional soil surface microtopography measurements. Meeting Abstract. https://doi.org/10.5194/egusphere-egu24-10373.
Spatial distribution of ammonia concentrations and modeled dry deposition in an intensive dairy production region Reprint Icon - (Peer Reviewed Journal)
Leytem, A.B., Walker, J.T., Wu, Z., Nouwakpo, S.K., Baublitz, C., Bash, J., Beachley, G. 2023. Spatial distribution of ammonia concentrations and modeled dry deposition in an intensive dairy production region. Atmosphere. 15(1). Article 15. https://doi.org/10.3390/atmos15010015.
Characterizing and quantifying legacy phosphorus impacts within CEAP watersheds - (Abstract Only)
Estimating effective hydraulic conductivity (Ke) for the Rangeland Hydrology and Erosion Model (RHEM) Reprint Icon - (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.
Climate change in a semi-arid environment: Effects on crop rotation with dairy manure applications Reprint Icon - (Peer Reviewed Journal)
Koehn, A.C., Bjorneberg, D.L., Ma, L., Leytem, A.B., Malone, R.W., Nouwakpo, S.K., Qi, Z. 2024. Climate change in a semi-arid environment: Effects on crop rotation with dairy manure applications. Journal of the ASABE. 66(6):1449-1468. https://doi.org/https://doi.org/10.13031/ja.15661.
Patterns and associations between dominant crop productions and water quality in an irrigated watershed Reprint Icon - (Peer Reviewed Journal)
Nouwakpo, S.K., Bjorneberg, D.L., Rogers, C.W. 2023. Patterns and associations between dominant crop productions and water quality in an irrigated watershed. Journal of Soil and Water Conservation. 78(6):466-478. . https://doi.org/10.2489/jswc.2023.00176.
Phosphorus loss with surface irrigation - (Other)
Bjorneberg, D.L., Leytem, A.B., Nouwakpo, S.K., Reba, M.L. 2023. Phosphorus loss with surface irrigation. SERA-IEG 17 Bulletin. https://sera17.wordpress.ncsu.edu/phosphorus-loss-with-surface-irrigation
Connectivity of surface susceptibility and physical processes regulates hydrologic and erosional responses of water-limited lands - (Abstract Only)
Rangeland restoration in Jordan: Restoring vegetation cover by water harvesting measures Reprint Icon - (Peer Reviewed Journal)
Haddad, M., Strohmeier, S.M., Nouwakpo, S.K., Rimawi, O., Weltz, M.A., Sterk, G. 2022. Rangeland restoration in Jordan: Restoring vegetation cover by water harvesting measures. International Soil and Water Conservation Research. https://doi.org/10.1016/j.iswcr.2022.03.001.
Introduction to the special issue “Ecohydrologic feedbacks between vegetation, soil, and climate” Reprint Icon - (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 Reprint Icon - (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.
A global-scale assessment of water resources and vegetation cover dynamics in relation with the earth climate gradient Reprint Icon - (Peer Reviewed Journal)
Sohoulande Djebou, D.C., Awoye, H., Nouwakpo, S.K., Dogan, S., Szogi, A.A., Stone, K.C., Martin, J.H. 2022. A global-scale assessment of water resources and vegetation cover dynamics in relation with the earth climate gradient. Remote Sensing in Earth Systems Sciences. https://doi.org/10.1007/s41976-021-00063-0.
A strategic plan for future USDA- Agricultural Research Service erosion research and model development Reprint Icon - (Peer Reviewed Journal)
Weltz, M.A., Huang, C., Newingham, B.A., Tatarko, J., Nouwakpo, S.K., Tsegaye, T.D. 2020. A strategic plan for future USDA- Agricultural Research Service erosion research and model development. Journal of Soil and Water Conservation. 75(6):137A-143A. https://doi.org/10.2489/jswc.2020.0805A.
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.
Moving toward sustainable irrigation in a southern Idaho irrigation project Reprint Icon - (Peer Reviewed Journal)
Bjorneberg, D.L., Ippolito, J.A., King, B.A., Nouwakpo, S.K., Koehn, A.C. 2020. Moving toward sustainable irrigation in a southern Idaho irrigation project. Transactions of the ASABE. 63(5):1441-1449. https://doi.org/10.13031/trans.13955.
Salts transport from a moderately saline-alkaline rangeland soil using rainfall simulation - (Peer Reviewed Journal)
Kentucky bluegrass invaded rangeland: ecosystem implications and adaptive management approaches Reprint Icon - (Peer Reviewed Journal)
Gasch, C.K., Toledo, D.N., Baldwin, C., Bendel, C., Fick, W., Gerhard, L., Harmon, J., Hendrickson, J.R., Hovick, T., Kral-O'Brien, K., Lakey, M., Nouwakpo, S.K., Sedivec, K. 2020. Kentucky bluegrass invaded rangeland: ecosystem implications and adaptive management approaches. Rangelands. 42:106-116. https://doi.org/10.1016/j.rala.2020.05.001.
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. 2020. 31:2552-2564. 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.
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.
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.
Chemical speciation in semiarid environments – a review Reprint Icon - (Peer Reviewed Journal)
Rossi, C.G., Heil, D., Weltz, M.A., Nouwakpo, S.K. 2019. Chemical speciation in semiarid environments – a review. Journal of Plant Research. 3(2):305-315. https://doi.org/10.26545/ajpr.2019.b00038x.
Process-based modeling of upland erosion and salt load in the Upper Colorado River Basin - (Proceedings)
Runoff water quality from rainfall simulation on different salinity-alkalinity levels of rangeland plots - (Proceedings)
Modeling Infiltration In Constructed Micro-catchments - (Proceedings)
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.