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Subjects model validation Remove constraint model validation: model validation
Displaying items 1 - 10 of 266 start over

1. A beef herd model for simulating feed intake, animal performance, and manure excretion in farm systems

Description:
Includes references
Author:
Rotz, C.A. , Buckmaster, D.R. , Comerford, J.W.
Subject:
beef cows , simulation models , feed intake , animal performance , cattle manure , excretion , cattle production , cattle feeding , dietary fiber , energy requirements , protein requirement , finishing , calves , heifers , stocker cattle , environmental impact , dietary minerals , animal growth , nitrogen , potassium , phosphorus , particle size distribution , model validation , integrated agricultural systems
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

2. A comparative study of Fourier transform Raman and NIR spectroscopic methods for assessment of protein and apparent amylose in rice

Description:
Includes references
Author:
Sohn, M. , Himmelsbach, D.S. , Barton, F.E. II
Subject:
rice , nutrient content , food analysis , cooking quality , food nutrient losses , Fourier transform infrared spectroscopy , near-infrared reflectance spectroscopy , amylose , protein content , model validation , rice protein , rice starch , least squares
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. A comparison of sap flux-based evapotranspiration estimates with catchment-scale water balance

Description:
Includes references
Author:
Ford, C.R. , Hubbard, R.M. , Kloeppel, B.D. , Vose, J.M.
Subject:
forested watersheds , forest plantations , transpiration , sap flow , forest trees , sapwood , measurement , estimation , model validation , simulation models , spatial variation , stand density , leaf area , landscapes , solar radiation , evapotranspiration , North Carolina
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

4. A comprehensive sensitivity analysis frame work for model evaluation and improvement using a case study of the rangeland hydrology

Description:
Includes references
Author:
Wei, H. , Nearing, M.A. , Stone, J.J.
Subject:
rangelands , hydrologic models , soil erosion , rangeland soils , mathematical models , equations , runoff , rain , infiltration (hydrology) , model validation , case studies , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

5. A Comprehensive Sensitivity Analysis Framework for Model Evaluation and Improvement Using a Case Study of the Rangeland Hydrology and Erosion Model

Description:
Includes references
Author:
Wei, H. , Nearing, M.A. , Stone, J.J.
Subject:
hydrologic models , soil erosion models , mathematical models , simulation models , model validation , water erosion , soil erosion , watershed hydrology , equations
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

6. A derivation of roughness correlation length for parameterizing radar backscatter models

Description:
Includes references
Author:
Rahman, M.M. , Moran, M.S. , Thoma, D.P. , Bryant, R. , Sano, E.E. , Holifield Collins, C.D. , Skirvin, S. , Kershner, C. , Orr, B.J.
Subject:
radar , surface roughness , soil water , equations , calibration , dry environmental conditions , remote sensing , mathematical models , new methods , correlation , image analysis , watersheds , model validation , satellites , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

7. A Foundation for Initial Attack Simulation: The Fried and Fried Fire Containment Model

Description:
Includes references
Author:
Fried, Jeremy S. , Fried, Burton D.
Subject:
fire fighting , wildland fire management , simulation models , mathematical models , fire fighters , fire break , fire intensity , fire behavior , fire science and management , fire situation analysis , fire severity , accuracy , algorithms , model validation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010

8. A Hydrologic/Water Quality Model Application Protocol

Description:
Includes references
Author:
Engel, B. , Storm, D. , White, M. , Arnold, J. , Arabi, M.
Subject:
water quality , hydrologic models , simulation models , model validation , calibration , guidelines , nonpoint source pollution , runoff , decision making , decision support systems , best management practices , Environmental Protection Agency , literature reviews
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

9. A Hydrothermal Seedling Emergence Model for Giant Ragweed (Ambrosia trifida)

Description:
Includes references
Author:
Schutte, B.J. , Regnier, E.E. , Harrison, S.K. , Schmoll, J.T. , Spokas, K. , Forcella, F.
Subject:
Ambrosia trifida , seedling emergence , model validation , simulation models , buried seeds , soil water , soil temperature , spring , prediction , integrated weed management , Ohio
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

10. A mechanistic treatment of the dominant soil nitrogen cycling processes: model development, testing, and application

Description:
Includes references
Author:
Maggi, F. , Gu, C. , Riley, W.J. , Hornberger, G.M. , Venterea, R.T. , Xu, T. , Spycher, N. , Steefel, C. , Miller, N.L. , Oldenburg, C.M.
Subject:
nitrogen , biogeochemical cycles , agricultural soils , gas emissions , losses from soil , leaching , nitrogen fertilizers , fertilizer application , anhydrous ammonia , nitrate nitrogen , nitrites , irrigation rates , nitrification , denitrification , soil bacteria , irrigation , simulation models , mathematical models , model validation , denitrifying bacteria , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008