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United States Department of Agriculture

Agricultural Research Service

Research Project: OBJECT MODELING AND SCALING OF LANDSCAPE PROCESSES AND CONSERVATION EFFECTS IN AGRICULTURAL SYSTEMS

Location: Agricultural Systems Research Unit

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Simulating crop phenological responses to water stress using the phenology mms software component - (Peer Reviewed Journal)
Mcmaster, G.S., Ascough II, J.C., Edmunds, D.A., Nielsen, D.C., Prasad, P.V. 2013. Simulating crop phenological responses to water stress using the phenology mms software component. Applied Engineering in Agriculture. Vol. 29(2): 233-249.
A software engineering perspective on environmental modeling framework design: The object modeling system - (Peer Reviewed Journal)
David, O., Ascough II, J.C., Lloyd, W., Green, T.R., Rojas, K.W., Leavesley, G.H., Ahuja, L.R. 2012. A software engineering perspective on environmental modeling framework design: The object modeling system. Journal of Environmental Modeling and Software. 39 (2013):201-213.
Spatial interrelationships between wheat phenology, thermal time, and terrain attributes - (Peer Reviewed Journal)
Mcmaster, G.S., Green, T.R., Erskine, R.H., Edmunds, D.A., Ascough II, J.C. 2012. Spatial interrelationships between wheat phenology, thermal time, and terrain attributes. Agronomy Journal. 104(4):1110-1121.
Development and application of a modular watershed-scale hydrologic model using the object modeling system: runoff response evaluation - (Peer Reviewed Journal)
Ascough II, J.C., David, O., Krause, P., Heathman, G.C., Kralisch, S., Larose, M., Ahuja, L.R., Kipka, H. 2012. Development and application of a modular watershed-scale hydrologic model using the object modeling system: runoff response evaluation. Transactions of the ASABE. 55(1):117-135.
Measurement and inference of profile soil-water dynamics at different hillslope positions in a semi-arid agricultural watershed - (Peer Reviewed Journal)
Green, T.R., Erskine, R.H. 2011. Measurement and inference of profile soil-water dynamics at different hillslope positions in a semi-arid agricultural watershed. Water Resources Research. VOL.47, W00H15, 15 p.
Development of a combined Wind and Water Erosion Model (WWEM) for the Object Modeling System - (Proceedings)
Ascough II, J.C., Flanagan, D.C., Truman, C.C., David, O. 2011. Development of a combined Wind and Water Erosion Model (WWEM) for the Object Modeling System. In: Ascough II, J.Cl and Flanagan, D.C. (eds.),Proceedings of the International Symposium on Erosion and Landscape Evolution (ISELE) /September 18-21, 2011, Anchorage, AK. American Society of Agricultural and Biological Engineers (ASABE) Publication No. 711P0311, St. Joseph, MI. p. 60.
Uniquely identifying wheat plant structures - (Peer Reviewed Journal)
Moragues, M., Mcmaster, G.S. 2012. Uniquely identifying wheat plant structures. Crop Science. 52:305-308.
Relationships between sunflower plant spacing and yield: Importance of uniformity in spacing - (Peer Reviewed Journal)
Mcmaster, G.S., Buchleiter, G.W., Bausch, W.C. 2012. Relationships between sunflower plant spacing and yield: Importance of uniformity in spacing. Crop Science. 52:309-319.
Spatial analyses of soil properties, terrain, and water dynamics in a semi-arid agricultural landscape - (Abstract Only)
Green, T.R., Erskine, R.H., Murphy, M.R., Ahuja, L.R. 2011. Spatial analyses of soil properties, terrain, and water dynamics in a semi-arid agricultural landscape. American Society of Agronomy Abstracts. Paper No. 63950.
The AgES-NLEAP tool for precision nitrogen conservation management - (Abstract Only)
Ascough II, J.C., Delgado, J.A. 2011. The AgES-NLEAP tool for precision nitrogen conservation management. Soil and Water Conservation Annual Meeting, July 17-20, 2011, Washington, D.C. p.13.
Evaluation of the Agro-EcoSystem-Watershed (AgES-W)model for estimating nutrient dynamics on a midwest agricultural watershed - (Abstract Only)
Ascough II, J.C., David, O., Smith, D.R., Heathman, G.C. 2011. Evaluation of the Agro-EcoSystem-Watershed (AgES-W)model for estimating nutrient dynamics on a midwest agricultural watershed. Soil and Water Conservation Society Annual Meeting,July 17-20,2011, Washington, D.C. Paper No. CTT-2.
Beneath the surface of global change: Impacts of climate change on groundwater - (Peer Reviewed Journal)
Green, T.R., Taniguchi, M., Kooi, H., Gurdak, J., Allen, D., Hiscock, K., Treidel, H., Aureli, A. 2011. Beneath the surface of global change: Impacts of climate change on groundwater. Journal of Hydrology. 405 (3-4):532-560.
Crop development related to temperature and photoperiod in temperate cereals - (Book / Chapter)
Moragues, M., Mcmaster, G.S. 2013. Crop development related to temperature and photoperiod in temperate cereals. In: Meyers, R.A. Encyclopedia of Sustainability Science and Technology. Vol. C., Heidelberg, Germany: Springer-Verlag. p. 2540-2558. Available: http://www.springerreference.com/docs/html/chapterbid/226420.html.
Phenology MMS: a program to simulate crop phenological responses to water stress - (Peer Reviewed Journal)
Mcmaster, G.S., Edmunds, D.A., Wilhelm, W.W., Nielsen, D.C., Prassad, P.V., Ascough II, J.C. 2011. Phenology MMS: a program to simulate crop phenological responses to water stress. Computers and Electronics in Agriculture. 77(2011):118-125.
Environmental modeling framework invasiveness: analysis and implications - (Peer Reviewed Journal)
Lloyd, W., David, O., Ascough II, J.C., Rojas, K.W., Carlson, J., Leavesley, G.H., Krause, P., Green, T.R., Ahuja, L.R. 2011. Environmental modeling framework invasiveness: analysis and implications. Environmental Modeling & Software. 26(10):1240-1250.
Common challenges for ecological modelling: Synthesis of facilitated discussions held at the symposia organized for the 2009 conference of the International Society for Ecological Modelling in Quebec City, Canada - (Peer Reviewed Journal)
Larocque, G.R., Mailly, D., Yue, T.X., Anand, M., Peng, C., Kazanci, C., Etterson, M., Goethals, P., Jorgensen, S.E., Schramski, J.R., Mcintire, E.J., Marceau, D.J., Chen, B., Chen, G.Q., Yang, Z.F., Novotna, B., Luckai, N.G., Bhatti, J.S., Liu, J., Munson, A., Gordon, A.M., Ascough II, J.C. 2011. Common challenges for ecological modelling: Synthesis of facilitated discussions held at the symposia organized for the 2009 conference of the International Society for Ecological Modelling in Quebec City, Canada. Ecological Modelling. 222(14):2456-2468.
Measurement of surface energy balance components in dryland wheat/fallow and limited-irrigation corn - (Abstract Only)
Green, T.R., Saseendran, S.A., Erskine, R.H., Ahuja, L.R., Murphy, M.R., Ma, L., Bausch, W.C., Andales, A.A. 2011. Measurement of surface energy balance components in dryland wheat/fallow and limited-irrigation corn. Annual American Geophysical Union Hydrology Days. Paper No. 11.
Spatially-distributed stream flow and nutrient dynamics simulations using the component-based AgroEcoSystem-Watershed (AgES-W)Model - (Abstract Only)
Ascough II, J.C., David, O., Heathman, G.C., Smith, D.R., Green, T.R., Krause, P., Kipka, H., Fink, M. 2010. Spatially-distributed stream flow and nutrient dynamics simulations using the component-based AgroEcoSystem-Watershed (AgES-W)Model. American Geophysical Union. Fall Meeting, December 13-17, 2010, San Francisco, California. Paper No. H43F-1329.
Scaling soil hydraulic properties: concepts and a research example - (Abstract Only)
(02-Sep-10)
Effective soil hydraulic properties in space and time: some field data analysis and modeling concepts - (Abstract Only)
Green, T.R., Ahuja, L.R., Ma, L., Ascough II, J.C., Dunn, G.H. Effective Soil Hydraulic Properties in Space and Time: Some Field Data Analysis and Modeling Concepts. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. Paper No. 61385.
Optimizing Soil Hydraulic Parameters in RZWQM2 Under Fallow Conditions - (Peer Reviewed Journal)
Fang, Q.X., Green, T.R., Ma, L., Malone, R.W., Erskine, R.H., Ahuja, L.R. 2010. Optimizing Soil Hydraulic Parameters in RZWQM2 Under Fallow Conditions. Soil Science Society of America Journal. 74(6):1897-1913. DOI:10.2136/sssaj2009.0380.
A conservation ontology and knowledge base to support delivery of technical assistance to agricultural producers in the united states - (Proceedings)
Carlson, J.R., Butler, D.B., David, O., Rojas, K.W., Ascough II, J.C., Leavesley, G.H., Oaks, W.R., Price, L.C., Ahuja, L.R. 2010. A conservation ontology and knowledge base to support delivery of technical assistance to agricultural producers in the united states. In: Swayne, D.A., Yang, W., Voinov, A.A., Rizzoli, A., and Filatova, T., editors. Environmental Modeling International Conference Proceedings. International Modeling and Environmental Software Society, Modeling for Environment's Sake, July 5-8, 2010, Ottawa, Canada. p. 1861-1869.
Rethinking modeling framework design: object modeling system 3.0 - (Proceedings)
David, O., Ascough II, J.C., Leavesley, G.H., Ahuja, L.R. 2010. Rethinking modeling framework design: object modeling system 3.0. In: Swayne, D.A., Yang, W.,Voinov, A.A., Rizzoli, A., and Filatova, T., editors. Environmental Modeling International Conference Proceedings. International Modeling and Environmental Software Society, Modeling for Environment's Sake, July 5-8, 2010, Ottawa, Canada. p. 1183-1191.
Integrated agricultural system modeling using OMS3: component driven runoff and nutrient dynamics simulations - (Proceedings)
Ascough II, J.C., David, O., Krause, P., Fink, M., Kralisch, S., Kipka, H., Wetzel, M. 2010. Integrated agricultural system modeling using OMS3: component driven runoff and nutrient dynamics simulations. In: Swayne, D.A., Yang, W., Voinov, A.A., Rizzoli, A., and Filatova, T., editors. Environmental Modeling International Conference Proceedings. International Modeling and Environmental Software Society, Modelling for Environment's Sake, July 5-8, 2010, Ottawa, Canada. p. 1089-1097.
The GPFARM DS for agroecosystem sustainability: the past, future, and lessons learned - (Proceedings)
Ascough II, J.C., Mcmaster, G.S., Dunn, G.H., Andales, A.A. 2010. The GPFARM DS for agroecosystem sustainability: the past, future, and lessons learned. In: Swayne, D.A., Yang, W., Voinov, A.A., Rizzoli, A., and Filatova, T., editors. Environmental Modeling International Conference Proceedings. International Modeling and Environmental Software Society, Modelling for Environment's Sake, July 5-8, 2010, Ottawa, Canada. p.2540-2547.
Environmental modeling framework invasiveness: analysis and implications - (Proceedings)
Lloyd, W., David, O., Ascough II, J.C., Rojas, K.W., Carlson, J.R., Leavesley, G.H., Krause, P., Green, T.R., Ahuja, L.R. 2010. Environmental modeling framework invasiveness: analysis and implications. In: Swayne, D.A., Yang, W.,Voinov, A.A., Rizzoli, A., and Fillatova, T. editors. Environmental Modeling International Conference Proceedings. International Modeling and Software Society, Modelling for Environment's Sake, July 5-8, 2010, Ottawa, Canada, p. 1073-1080.
Crop Water Use Efficiency at Multiple Scales - (Peer Reviewed Journal)
Green, T.R., Yu, Q., Ma, L., Wang, T. 2010. Crop Water Use Efficiency at Multiple Scales. Agricultural Water Management. 97(8):1099-1101. Available: http://dx.doi.org/10.1016/j.agwat.2010.03.018.
Estimating effective soil properties of heterogeneous areas for modeling infiltration and redistribution - (Peer Reviewed Journal)
Ahuja, L.R., Ma, L., Green, T.R. 2010. Estimating effective soil properties of heterogeneous areas for modeling infiltration and redistribution. Soil Science Society of America Journal. 74(5):1469-1482.
Revisiting soil terrain relationships at a long-term agroecosystem study site - (Abstract Only)
Erskine, R.H., Green, T.R., Sherrod, L.A., Peterson, G.A. 2010. Revisiting soil terrain relationships at a long-term agroecosystem study site. Annual American Geophysical Union Hydrology Days. Available: http://hydrologydays.colostate.edu/Abstracts_10/Erskine_abs.pdf.
An analytical framework to assist decision makers in the use of forest ecosystem model predictions - (Peer Reviewed Journal)
Larocque, G.R., Bhatti, J.S., Ascough II, J.C., Liu, J., Luckai, N., Mailly, D., Archambault, L., Gordon, A.M. 2011. An analytical framework to assist decision makers in the use of forest ecosystem model predictions. Journal of Environmental Modeling and Software. 26(3):280-288.
Quantifying Phenotypic Plasticity Using Genetic Information for Simulating Plant Height in Winter Wheat - (Peer Reviewed Journal)
Weiss, A., Baenziger, P.S., Mcmaster, G.S., Wilhelm, W.W., Al-Ajlouni, Z.I. 2009. Quantifying Phenotypic Plasticity Using Genetic Information for Simulating Plant Height in Winter Wheat. Wageningen Journal of Life Sciences. 57:59-64. Available: http://dx.doi.org/10.1016/j.njas.2009.10.001.
Object-Oriented Agricultural System Modeling: Component-Driven Nutrient Dynamics and Crop Yield Simulations - (Abstract Only)
Ascough II, J.C., David, O., Krause, P., Ahuja, L.R. 2009. Object-Oriented Agricultural System Modeling: Component-Driven Nutrient Dynamics and Crop Yield Simulations. ASA-CSSA-SSSA Annual Meeting Abstracts.
Canon in D(esign): Composing Scales of Plant Canopies from Phytomers to Whole-Plants Using the Composite Design Pattern - (Peer Reviewed Journal)
Mcmaster, G.S., Hargreaves, J.G. 2009. CANON in D(esign): Composing Scales of Plant Canopies From Phytomers to Whole-Plants Using the Composite Design Pattern. Wageningen Journal of Life Sciences. 57:39-51. Available: http://dx.doi.org/10.1016/j.njas2009.07.008.
An Exploratory Investigation on the Invasiveness of Environmental Modeling Frameworks     Reprint Icon - (Proceedings)
Lloyd, W., David, O., Ascough II, J.C., Rojas, K.W., Carlson, J.R., Leavesley, G.H., Krause, P., Green, T.R., Ahuja, L.R. 2009. An Exploratory Investigation on the Invasiveness of Environmental Modeling Frameworks. World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation.p. 909-915.
Farming Systems Modeling Using the Object Modeling System (OMS): Overview, Applications, and Future Plans     Reprint Icon - (Abstract Only)
Carlson, J.R., Ascough II, J.C., David, O., Green, T.R., Rojas, K.W., Ahuja, L.R., Geter, F.W. 2010. Farming Systems Modeling Using the Object Modeling System (OMS): Overview, Applications, and Future Plans. Meeting Abstract. p. 49-50.
A Component-Based Distributed Watershed Model for the USDA CEAP Watershed Assessment Study     Reprint Icon - (Abstract Only)
Ascough II, J.C., David, O., Krause, P., Green, T.R., Heathman, G.C., Kralisch, S., Ahuja, L.R. 2009. A Component-Based Distributed Watershed Model for the USDA CEAP Watershed Assessment Study. Meeting Abstract. p.19-20.
Space-Time Dynamics of Soil Water and Process Interactions in Semi-Arid Terrain, Colorado, USA     Reprint Icon - (Proceedings)
Green, T.R., Erskine, R.H., Murphy, M.R., Ma, L., Ascough II, J.C., Mcmaster, G.S., Dunn, G.H., Ahuja, L.R. 2009. Space-Time Dynamics of Soil Water and Process Interactions in Semi-Arid Terrain, Colorado, USA. International Congress on Modeling and Simulation Proceedings. p. 1851-1857.
Soil Nitrogen Balance Under Wastewater Management: Field Measurements and Simulation Results - (Peer Reviewed Journal)
Sophocleous, M., Townsend, M.A., Vocasek, F., Ma, L., Ashok, K.C. 2009. Soil Nitrogen Balance Under Wastewater Management: Field Measurements and Simulation Results. Journal of Environmental Quality. 38:1286-1301.
A Genetic/Heuristic Approach to Simulating Plant Height in Winter Wheat - (Proceedings)
Weiss, A., Baenziger, P.S., Mcmaster, G.S., Wilhelm, W.W., Al-Ajlouni, Z.I. 2008. A Genetic/Heuristic Approach to Simulating Plant Height in Winter Wheat. Symposium Proceedings.
The Importance of Uncertainty and Sensitivity Analyses in Process-Based Models of Carbon and Nitrogen Cycling in Terrestrial Ecosystems with Particular Emphasis on Forest Ecosystems - (Peer Reviewed Journal)
Larocque, G.R., Bhatti, J.S., Liu, J., Ascough II, J.C., Luckai, N., Gordon, A.M. 2008. The Importance of Uncertainty and Sensitivity Analyses in Process-Based Models of Carbon and Nitrogen Cycling in Terrestrial Ecosystems with Particular Emphasis on Forest Ecosystems. Ecological Modeling. 219(3-4):261-263.
Fractal Analyses of Steady Infiltration and Terrain on an Undulating Agricultural Field - (Peer Reviewed Journal)
Green, T.R., Dunn, G.H., Erskine, R.H., Salas, J.D., Ahuja, L.R. 2009. Fractal Analyses of Steady Infiltration and Terrain on an Undulating Agricultural Field. Vadose Zone Journal. 8(2)310-320.
Evaluating Winter Wheat Spatial and Temporal Flowering Variation for Managing Fusarium Head Blight     Reprint Icon - (Abstract Only)
Mcmaster, G.S. 2008. Evaluating Winter Wheat Spatial and Temporal Flowering Variation for Managing Fusarium Head Blight. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting.
Spatial Features, Scaling and Simulation in Semi-Arid Agricultural Terrain     Reprint Icon - (Abstract Only)
Green, T.R., Erskine, R.H., Ma, L. 2008. Spatial Features, Scaling and Simulation in Semi-Arid Agricultural Terrain. American Society of Agronomy Meetings. Paper No. 257-9.
Development of the Wheat Plant - (Book / Chapter)
Mcmaster, G.S. 2009. Development of the Wheat Plant. In: Carver, B.F., editor. Wheat:: Science & Trade. Blackwell Publishing. p. 31-55.
Simulated Effects of Nitrogen Management and Soil Microbes on Soil Nitrogen Balance and Crop Production - (Peer Reviewed Journal)
Ma, L., Malone, R.W., Jaynes, D.B., Thorp, K.R., Ahuja, L.R. 2008. Simulated Effects of Nitrogen Management and Soil Microbes on Soil Nitrogen Balance and Crop Production. Soil Science Society of America Journal. 72:1594-1603.
Simulating Winter Wheat Development Response to Temperature: Modifying Molo's Exponential Sine Equation     Reprint Icon - (Peer Reviewed Journal)
Li, L., Mcmaster, G.S., Yu, Q., Du, J. 2008. Simulating Winter Wheat Development Response to Temperature: Modifying Molo's Exponential Sine Equation. Computers and Electronics in Agriculture 63 (2008) 274-281.
Agrometeorology and Wheat Production - (Book / Chapter)
(20-Nov-07)
Insect Pests Models and Insecticide Application - (Book / Chapter)
Ascough II, J.C., Fathelrahman, E.M., Mcmaster, G.S. 2008. Insect Pest Models and Insecticide Application. In: Jorgensen, S.E., Faith, B.D. editors. Ecological Models. Vol. (3) Encyclopedia of Ecology., 5 vols. Oxford, Elsevier. p. 1978-1985.
Spatial Variability in Wheat Phenology Across a Landscape - (Abstract Only)
Mcmaster, G.S., Green, T.R., Erskine, R.H., Edmunds, D.A. 2007. Spatial Variability in Wheat Phenology Across a Landscape. American Geophysical Union.
Ecological Models: Agricultural Models - (Book / Chapter)
Ascough II, J.C., Ahuja, L.R., Mcmaster, G.S., Ma, L., Andales, A.A. 2008. Agricultural Models. In: Jorgensen, S.E., Faith, B.D.editors. Ecological Models. Vol. (1) Encyclopedia of Ecology., 5 vols. Oxford, Elsevier. p. 85-95.
Evaluating EPIC-based Harvest Index Approach for Yield Prediction and Response to Soil Water     Reprint Icon - (Abstract Only)
Mcmaster, G.S., Ascough Ii, J.C., Andales, A.A., Edmunds, D.A. 2007. Evaluating EPIC-based Harvest Index Approach for Yield Prediction and Response to Soil Water. ASA-CSSA-SSSA Annual Meeting, New Orleans, November 5,2007 (61-7).
Spatial Variability and Scaling of Infiltration on Undulating Agricultural Terrain     Reprint Icon - (Abstract Only)
Green, T.R., Ahuja, L.R., Dunn, G.H., Ascough Ii, J.C., Mcmaster, G.S., Ma, L., Erskine, R.H., Salas, J.D., Palic, D.B., Murphy, M.R. 2007. Spatial Variability and Scaling of Infiltration on Undulating Agricultural Terrain. American Society of Agronomy Meetings New Orleans, November 7,2007 (282-3).
Developing Erosion Prediction Modeling Technology Using the Object Modeling System (OMS): Viability and Challenges - (Abstract Only)
Ascough Ii, J.C., Flanagan, D.C., David, O., Ahuja, L.R., Rojas, K.W. 2007. Developing Erosion Prediction Modeling Technology Using the Object Modeling System (OMS): Viability and Challenges. American Society of Agronomy Meetings, New Orleans, LA. November 4-8, 2007.
Modeling Grain Protein Formation in Relation to N Uptake and Remobilzation in Rice - (Book / Chapter)
Zhu, Y., Li, W., Ye, H., Mcmaster, G.S., Cao, W. 2008. Modeling Grain Protein Formation in Relation to N Uptake and Remobilzation in Rice. In: Ma, L., Ahuja, L.R., Bruulsema, T.W., editors. Quantifying and Understanding Plant Nitrogen Uptake for Systems Modeling. Boca Raton, FL: CRC Press. p. 147-167.
Future Research Challenges for Incorporating Uncertainty in Environmental and Ecological Decision-Making - (Peer Reviewed Journal)
Ascough II, J.C., Maier, H.R., Ravalco, J.K., Strudley, M.W. 2008. Future Research Challenges for Incorporating Uncertainty in Environmental and Ecological Decision-Making. Ecological Modeling. 219(3-4):383-399.
Potential Impacts of Climate Change and Human Activity on Subsurface Water Resources     Reprint Icon - (Peer Reviewed Journal)
Green, T.R., Taniguchi, M., Kooi, H. 2007. Potential Impacts of Climate Change and Human Activity on Subsurface Water Resources. Vadose Zone Journal 2007;6 531-532. DOI: 10.2136/vzj2007.0098.
Simulated Effects of Soil Temperature and Salinity on Capacitance Sensor Measurements     Reprint Icon - (Peer Reviewed Journal)
Schwank, M., Green, T.R. 2007. Simulated Effects of Soil Temperature and Salinity on Capacitance Sensor Measurements. Sensors 2007 (4/26/2007), 7, 548-577.
Assessing Modeled Spatial and Temporal Variability in Soil Moisture Using Automated, Multi-Objective, Step-wise Calibration - (Abstract Only)
Strudley, M.W., Green, T.R., Erskine, R.H., David, O., Umemoto, M. 2007. Assessing Modeled Spatial and Temporal Variability in Soil Moisture Using Automated, Multi-Objective, Step-wise Calibration. Annual Hydrology Days Conference Proceedings.
Last Modified: 8/30/2014
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