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                    U.S. DEPARTMENT OF AGRICULTURE
 Southwest Watershed Research Center: Tucson, AZ
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ARS Home Pacific West Area Tucson, Arizona SWRC People & Locations







Gerardo  Armendariz
                        Southwest Watershed Research Center

                        




                        
                        Information Technology Specialist (Data Management)
                        Phone: (520) 647-9345
                        
                        
                        Fax: (520) 670-5550(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            **Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Rangeland Brush Estimation Tool (RaBET): An operational remote sensing-based application for quantifying woody cover on western rangelands
                                                        

- (Peer Reviewed Journal)Holifield Collins, C.D., Skirvin, S., Kautz, M.A., Winston, Z., Curley, D., Corrales, A., Bishop, A., Bishop, N., Norton, C., Ponce-Campos, G., Armendariz, G.A., Metz, L., Heilman, P., Van Leeuwen, W. 2023. Rangeland Brush Estimation Tool (RaBET): An operational remote sensing-based application for quantifying woody cover on western rangelands. Remote Sensing. 15(21). Article 510. https://doi.org/10.3390/rs15215102.USDA Long-Term Agroecosystem Research: four data workflows for network data integration

- (Abstract Only)Abendroth, L.J., Kleinman, P.J., Armendariz, G.A., Coffin, A.W., Cosh, M.H., Heilman, P., Hoover, D.L., Kaplan, N.E., White, W.A., Bestelmeyer, B.T., Browning, D.M., Carlson, B.R. 2023. USDA Long-Term Agroecosystem Research: four data workflows for network data integration [abstract]. 2023 ASA-CSSA-SSSA International Annual Meeting, October 29-November 1, 2023, St. Louis, Missouri. Available: https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/152342Gridded 20-year climate parameterization of Africa and South America for a stochastic weather generator (CLIGEN)
                                                        

- (Peer Reviewed Journal)Fullhart, A.T., Ponce-Campos, G., Meles, M.B., Mcgehee, R., Armendariz, G.A., Oliveira, P., Almeida, C., De Araujo, J., Nel, W., Goodrich, D.C. 2022. Gridded 20-year climate parameterization of Africa and South America for a stochastic weather generator (CLIGEN). Big Earth Data. 7(2):349-374. https://doi.org/10.1080/20964471.2022.2136610.Curating 62 years of Walnut Gulch Experimental Watershed data: Improving the quality of long-term rainfall and runoff datasets
                                                        

- (Peer Reviewed Journal)Meles, M.B., Demaria, E., Heilman, P., Goodrich, D.C., Kautz, M.A., Armendariz, G.A., Unkrich, C.L., Wei, H., Thiyagaraja Perumal, A. 2022. Curating 62 years of Walnut Gulch Experimental Watershed data: Improving the quality of long-term rainfall and runoff datasets. Water. 14(14). Article 2198. https://doi.org/10.3390/w14142198.Long term agroecosystem research experimental watershed network
                                                        

- (Peer Reviewed Journal)Goodrich, D.C., Bosch, D.D., Bryant, R.B., Cosh, M.H., Endale, D.M., Veith, T.L., Kleinman, P.J., Langendoen, E.J., McCarty, G.W., Pierson Jr., F.B., Schomberg, H.H., Smith, D.R., Starks, P.J., Strickland, T.C., Tsegaye, T.D., Awada, T., Swain, H., Derner, J.D., Bestelmeyer, B.T., Schmer, M.R., Baker, J.M., Carlson, B.R., Huggins, D.R., Archer, D.W., Armendariz, G.A. 2022. Long term agroecosystem research experimental watershed network. Hydrological Processes. 36(3). Article e14534. https://doi.org/10.1002/hyp.14534. [Corrigendum: Hydrological Processes: 2022, 36(6), Article e14609. https://doi.org/10.1002/hyp.14609.]Rangeland hydrology and erosion handbook: the RHEM guide

- (Government Publication)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=47163Climate benchmarks and input parameters representing locations in 68 countries for a stochastic weather generator, CLIGEN
                                                        

- (Peer Reviewed Journal)Fullhart, A.T., Nearing, M.A., Armendariz, G.A., Weltz, M.A. 2021. Climate benchmarks and input parameters representing locations in 68 countries for a stochastic weather generator, CLIGEN. Earth System Science Data. 123(2):435-446. https://doi.org/10.5194/essd-13-435-2021.Operationalizing an "Information Ecosystem" to support information management work of the Long-Term Agroecosystem Research (LTAR) network

- (Abstract Only)Network cyberinfrastructure as a shared platform to support multi-site research

- (Abstract Only)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.Slope-Velocity-Equilibrium and evolution of surface roughness on a stony hillslope
                                                        

- (Peer Reviewed Journal)Nearing, M.A., Polyakov, V.O., Nichols, M.H., Hernandez Narvaez, M.N., Li, L., Zhao, Y., Armendariz, G.A. 2017. Slope-Velocity-Equilibrium and evolution of surface roughness on a stony hillslope. Hydrology and Earth System Sciences. 21:3221-3229. https://doi.org/10.5194/hess-21-3221-2017.Application of ecological site information to transformative changes on Great Basin sagebrush rangelands
                                                        

- (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.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.A GRAPHICAL TOOL FOR WATER QUALITY CONSERVATION PLANNING                                                                    1718

- (Proceedings)Heilman, P., Armendariz, G.A., Ma, L., Malone, R.W. 2004. A graphical tool for water quality conservation planning.  Proc. 13th Internat'l. Soil Conservation Org. Conf., Conserving Soil and Water for Soc.: Sharing Solutions, July 2004, Brisbane, Australia, 6 p.


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