Selected papers in various topical areas:

• Evapotranspiration and Evaporation
• Remote Sensing of Evapotranspiration
• Lysimeters
• Neutron Meter Papers (1993 Conference)
• Water Conservation and Water Use Definitions
• Evapotranspiration from Wetlands
• Hydrology Handbook
• News Releases
• Others

The following links require Adobe Acrobat Reader. Some of the links will acquire the scanned paper from other web servers.

Papers on Evapotranspiration and Evaporation

The Papers on Evapotranspiration and Evaporation have been sorted amongst the following categories. Select the one that your needs require.

Reference ET

Crop ET

Weather Effects

Evaporation from Open Water

Papers on Reference ET

• “An Update for the Definition of Reference Evapotranspiration”  and “An Update for the Calculation of Reference Evapotranspiration” -- R.G. Allen, M.Smith, L.S. Pereira and A.Perrier (1994, Journal of the ICID)
• A Recommendation on Standardized Surface Resistance for Hourly Calculation of Reference ET_o by the FAO56 Penman-Monteith Method -- Richard G. Allen, et al. (2006, Agricultural Water Management)
• Operational Estimates of Reference Evapotranspiration -- Richard G. Allen, Marvin E. Jensen, James L. Wright, and Robert D. Burman (1989)
• A Penman for All Seasons -- Richard G. Allen (1986)
• Bulk Stomatal Resistance in Operational Estimates of Evapotranspiration -- Richard G. Allen (1988)
• Standard Reference Evapotranspiration Calculations: REF-ET -- Richard G. Allen (1992)
• Thermodynamic Factors in Evapotranspiration -- Robert D. Burman, Marvin Jensen, Richard G. Allen (1986)
• Predicting Reference Crop Evapotranspiration with Arid Weather Data -- Richard G. Allen, Peter Droogers and George Hargreaves (2002)
• Rational Use of the FAO Blaney-Criddle Formula -- Richard G. Allen and William O. Pruitt (1986)
• Variation Within Measured and Estimated Consumptive Use Requirements -- Richard G. Allen and James L. Wright (1983)
• Software for Missing Data Error Analysis of Penman-Monteith Reference Evapotranspiration -- J.G. Annandale, N. Z. Jovanovic, N. Benadé, R. G. Allen (2002)
• Regional Advection Perturbations in an Irrigated Desert (RAPID) Experiment -- H.A.R. De Bruin, O.K. Hartogensis, R.G. Allen, and J.W.J.L. Kramer (2005)
• Dynamics of Reference Evapotranspiration in the Bolivian Highland (Altiplano) -- Magali Garcia, Dirk Raes, Rick Allen, Carlos Herbas (2004)
• History and Evaluation of Hargreaves Evapotranspiration Equation -- George H. Hargreaves, and Richard G. Allen (2003)
• Comparison of Reference Evapotranspiration Calculations as Part of the ASCE Standardization Effort -- Daniel Itenfisu, Ronald L. Elliot, Richard G. Allen, and Ivan A. Walter (2003)
• Evapotranspiration: Concepts and Future Trends -- By Luis S. Pereira, Alain Perrier, Richard G. Allen, and Isabel Alves (1999)
• ASCE's Standardized Reference Evapotranspiration Equation -- I.A. Walter, R.G. Allen, R. Elliot, M.E. Jensen, D. Itenfisu, B. Mecham, T.A. Howell, R. Snyder, P. Brown, S. Echings, T. Spofford, M. Hattendorf, R.H. Cuenca, J.L. Wright, D. Martin (2000)

Crop Evapotranspiration

• Updated Procedures for Calculating State-Wide Consumptive Use in Idaho -- Richard G. Allen, Clarence W. Robison, and James L. Wright (2007, USCID Fourth International Conference on Irrigation and Drainage, Sacramento, CA)
• Nongrowing Season Evaporation in Northern Utah -- Richard G. Allen (1996)
• Estimating Evaporation from Bare Soil and the Crop Coefficient for the Initial Period Using Common Soils Information -- Richard G. Allen, William O. Pruitt, Dirk Raes, Martin Smith, and Luis S. Pereira (2005)
• FAO-56 Dual Crop Coefficient Method for Estimating Evaporation from Soil and Application Extensions -- Richard G. Allen, Luis S. Pereira, Martin Smith, Dirk Raes, and James L. Wright (2005)
• Prediction Accuracy for Project Wide Evapotranspiration Using Crop Coefficients and Reference Evapotranspiration -- Richard G. Allen, Albert J. Clemmens, Charles M. Burt, Ken Solomon, and Tim O’Halloran (2005)
• Determination of g() Functions from Experimental Data -- R.G. Allen (1995)
• Using the FAO-56 Dual Crop Coefficient Method over an Irrigated Region as Part of an Evapotranspiration Intercomparison Study -- R.G. Allen (1999)
• Benchmarking Irrigation System Performance Using Water Measurement and Water Balances -- Grant G. Davis, Susan S. Anderson (1999)
• Evapotranspiration: The FAO-56 Dual Crop Coefficient Method and Accuracy of Predictions for Project-Wide Evapotranspiration -- Dr. Richard G. Allen (2002)
• Estimating Consumptive Use on A Statenid Basis -- RIchard G. Allen, Charles E. Brockway (1983)
• FAO-24 Reference Evapotranspiration Factors -- Richard G. Allen, William O. Pruitt (1991)
• Proposed Revision to the FAO Procedure for Estimating Crop Water Requirements -- Richard G. Allen, Martin Smith, Luis S. Pereira, William O. Pruitt (1996)
• Evapotranspiration Estimates Under Deficient Water Supplies -- J.L. Hatfield and R.G. Allen(1996)
• Selection for Drought Resistance in Dry Bean Landraces and Cultivars -- Carlos German Mufloz-Perea, Henry Terán, Richard G. Allen, James L. Wright, Dale T. Westermann, and Shree P. Singh (2006)
• 1.5.1. Crop Water Requirements -- Luis S. Pereia and Richard G. Allen (1998)

Weather Effects

• CO₂-Induced Climatic Changes and Irrigation-Water Requirements -- Richard G. Allen, Francis N. Gichuki, and Cynthia Rosenzweig (1991)
• Self-Calibrating Method for Estimating Solar Radiation from Air Temperature -- Richard G. Allen (1997)
• Computation of ETo under NonIdeal Conditions -- D. T. Jensen, G. H. Hargreaves, B. Temesgen, and R. G. Allen (1997)
• Adjusting Temperature Parameters to Reflect Well-Watered Conditions -- B. Temesgen, R. G. Allen, and D. T. Jensen (1999)
• Assessing Integrity of Weather Data for Reference Evapotranspiration Estimation -- Richard G. Allen (1996)
• Weather Station Siting and Consumptive Use Estimates -- Richard G. Allen, A. M. ASCE, Charles E. Brockway, M. ASCE, and James L. Wright (1983)
• Effects of Projected CO2-Induced Climatic Changes on Irrigation Water Requirments in the Great Plains States (Texas, Oklahoma, Kansas, and Nebraska) -- Richard G. Allen and Francis N. Gichuki (1988)
• Translating Wind Measurements from Weather Stations to Agricultural Crops -- Richard G. Allen and James L. Wright (1997)
• Predicting Daily Net Radiation Using Minimum Climatological Data -- S. Irmak, A. Irmak, J.W. Jones, T. A. Howell, J. M. Jacobs, R. G. Allen, and G. Hoogenboom (2003)
• Guidelines for Validating Bowen Ratio Data -- J. O. Payero, C. M. U. Neale, J. L. Wright, R. G. Allen (2003)

Evaporation from Open Water

• Evaporation from American Falls Reservoir in Idaho via a Combination of Bowen Ratio and Eddy Covariance -- Richard G. Allen and Masahiro Tasumi (2005)
• A review of evaporation research on Japanese lakes -- Masahiro Tasumi (2005)

Papers on Remote Sensing of Evapotranspiration

• Satellite-Based Energy Balance for Mapping Evapotranspiration with Internalized Calibration (METRIC) - Model -- R.G.Allen, M. Tasumi and R. Trezza (2007)
• Satellite-Based Energy Balance for Mapping Evapotranspiration with Internalized Calibration (METRIC) - Applications -- Allen, R.G., M. Tasumi, A.T. Morse, R. Trezza, W. Kramber, I. Lorite and C.W. Robison.  (2007)
• Estimation of Groundwater Extraction on Irrigated Lands in Arid Zones from Thermal Infrared Satellites -- Bastiaanssen, W.G., R. Chavez, A. Alsulaimain and M. Ahmad (2007 in press)
• SEBAL Model with Remotely Sensed Data to Improve Water Resources Management Under Actual Field Conditions -- Bastiaanssen , W.G.M., E.J.M. Noordman , H. Pelgrum, G. Davids, B.P. Thoreson and R.G. Allen (2005)
• Using a Remote Sensing Field Experiment to Investigate Flux-Footprint Relations and Flux Sampling Distributions for Tower and Aircraft-Based Observations -- Kustas, W. P., Anderson, M.C., French, A.N., Vickers, D. (2006)
• Satellite-Based Energy Balance to Assess Within-Population Variance of Crop Coefficient Curves -- Tasumi, M., R. G. Allen, R. Trezza, J. L. Wright (2005)
• Operational Aspects of Satellite-Based Energy Balance Models for Irrigated Crops in the Semi-Arid U.S. -- Tasumi, M., R. Trezza , R.G. Allen and J. L. Wright (2005)
• A Landsat-Based Energy Balance and Evapotranspiration Model in Western US Water Rights Regulation and Planning -- Allen, R.G., M.Tasumi, A.T. Morse, and R. Trezza (2005)
• Review on Estimation of Evapotranspiration from Remote Sensing Data: From Empirical to Numerical Modeling Approaches -- Courault, D., B. Seguin and A. Olioso (2005).
• Evapotranspiration on the Watershed Scale Using the SEBAL Model and Landsat Images -- Richard G. Allen, Wim Bastiaanssen, Masahiro Tasumi, Anthony Morse (2001)
• Evapotranspiration From a Satellite-Based Surface Energy Balance for the Snake Plain Aquifer in Idaho -- Richard G. Allen, Anthony Morse, Masahiro Tasumi, Ricardo Trezza, Wim Bastiaanssen, James L. Wright, William Kromber (2008)
• Twenty-Five Years Modeling Irrigated and Drained Soils: State of the Art -- W.G.M. Bastiaanssen, R.G. Allen, P.Droogers, G. D'Ursa, P. Steduto (2007)
• Thermal-Infrared Technology for Local and Regional Scale Irrigation Analyses in Horticultural Systems -- W.G.M. Bastiaanssen, R.G. Allen, H. Pelgrum, A.H. de C. Texeira, R.W.O. Soppe, and B.P. Thoreson 9 (2006)
• Review on Estimation of Evapotranspiration from Remote Sensing Data: from Empirical to Numerical Modeling approaches -- Dominique Courault, Bernard Seguin and Albert Olioso (2005)
• Analytical integrated functions for daily solar radiation on slopes -- Richard G. Allen, Ricardo Trezza, Masahiro Tasumi (2006)
• At-Surface Reflectance and Albedo from Satellite for Operational Calculation of Land Surface Energy Balance -- Masahiro Tasumi; Richard G. Allen; and Ricardo Trezza (2008)

Lysimeters

• Accuracies of Lysimeter Data Acquisition Systems -- Daniel K. Fisher and Richard G. Allen (1991)
• Direct Load Cell-Based Weighing Lysimeter System -- Richard G. Allen and D. Ken Fisher (1991)
• Environmental Requirements of Lysimeters -- Richard G. Allen, William O. Pruitt, and Marvin E. Jensen (1991)
• Low-Cost Electronic Weighing Lysimeters -- R.G. Allen, D.K.Fisher (1990)
• Direct Load Cell-Based Weighing Lysimeter System -- Richard G. Allen and D. Ken Fisher (1991)
• Experiences in Lysimetry for ET and Surface Drag Measurements -- W. O. Pruitt, F.J. Lourence (1985)

Neutron Meter Papers from 1993 Conference

• Error Analysis of Bulk Density Measurements for Neutron Moisture Gauge Calibration -- Richard G. Allen, Gylan Dickey, James L. Wright, John F. Stone, and Doug J. Hunsaker (1993)
• Effect of Moisture and Bulk Density Sampling on Neutron Moisture Gauge Calibration -- Richard G. Allen G. L. Dickey, and J. L. Wright (1993)
• Access Tube Characteristics and Neutron Meter Calibration -- Richard G. Allen and Daniel Segura (1990)
• Soil Bulk Density Sampling for Neutron Gauge Calibration -- G. L. Dickey, R. G. Allen, J. L. Wright, N. R. Murray, J. F. Stone, and D. J. Hunsaker (1993)
• Neutron Gauge Calibration Comparison of Methods -- G. L. Dickey, R. G. Allen, J. H. Barclay, J. L. Wright, J. F. Stone, and B. W. Draper (1993)
• The ASCE Neutron Probe Calibration Study: Overview -- J. F. Stone, R. G. Allen, G. L. Dickey, J. L. Wright, F. S. Nakayama, and R. W. Phillips (1993)
• Performance Factors of Neutron Moisture Probes Related to Position of Source on Detector -- J. F. Stone, R. G. Allen, H. R. Gray, G. L. Dickey, and F. S. Nakayama (1993)
• Practical Approaches Used in Neutron Meter Moisture Monitoring -- Robin D. Wells and Richard G. Allen (1990)
• Measuring Soil Bulk Density Profiles with a Single Probe Gamma Density Gauge -- J. L. Wright, R. G. Allen, and G. L. Dickey (1993)

Water Conservation and Water Use Definitions

• Water Conservation Questions and Definitions from a Hydrologic Perspective -- Richard G. Allen, Lyman S. Willardson, Charles Burt, and Bert J. Clemmens (2003)
• Water Conservation Definitions from a Hydrologic Viewpoint -- Richard G. Allen, Charles Burt, A. J. Clemmens, and L. S. Willardson (1996)
• Water Use Definitions and their Use for Assessing the Impacts of Water Conservation -- Richard G. Allen, Lyman S. Willardson, and Harald D. Fredriksen (1997)
• Definitive Basin Water Management -- Lyman S. Willardson and Richard G. Allen. (1997)
• Impact of Agricultural Water Conservation on Water Availability -- A. J. Clemmens and R. G. Allen . Presented at the 2005 ASCE EWRI World Water and Environmental Resources Congress,  May 15-19, 2005, Anchorage, Alaska, USA.(2005)
• Agro-Hydrology and Irrigation Efficiency -- Richard G. Allen, Albert J. Clemmens, and Lyman S. Willardson (2005). White Paper submitted to the ICID Working Group on Sustainable Crops and Water Use, (2005)

Evapotranspiration from Wetlands

Dutch/American Team Captures ET and Air Currents in the Idaho Desert, AgKnowledge #96, College of Agriculture, University of Idaho
Satellite Data Provide Insight About Aquifer Recharge -- AgKnowledge # 153, College of Agriculture, University of Idaho

Other Papers

• 2-D Evaporation and Root Extraction in an FEM -- Richard G. Allen and Wigdan I. Ahmad (1992)
• Application Selection Along Center Pivots using Soil Infiltration Parameters -- Richard G. Allen (1990)
• Decision Support Model for Irrigation Water Management -- S. Prajamwong, G. P. Merkley, and R. G. Allen (1996)
• Irrigation Scheduling using Voice Synthesis, the Next Logic Step -- Robin D. Wells and Richard G. Allen (1988)
• Bulk Stomatal Resistance in Operational Estimates of Evapotranspiration -- Richard G. Allen (1988)
• Relating the Hazen-Williams and Darcy-WeisBach Friction Loss Equations for Pressurized Irrigation -- R.G. Allen (1996)
• Operation and Maintence Costs and Water Use by Idaho Irrigation Projects -- Richard G. Allen and Charles E. Brockway (1983)
• Concepts for Energy-Efficient Irrigation System Design -- Richard G. Allen, M. ASCE and Charles E. Brockway, M. ASCE (1984)
• Sprinkmod - Pressure and Discharge Simulation Model for Pressurized Irrigation Systems -- C. de L. T. de Andrade, R.G. Allen (1999)
• Irrigation Rehabilitation Plans in the Teton Flood Area -- J.R. Busch, R.G. Allen, C.E. Brockway (1978)
• Developing Simple Irrigation Scheduling Calendars -- Robert W. Hill and Richard G. Allen (1995)
• Design Efficiency for Sprinkler Irrigation Systems -- G.P. Merkley (2001)
• Water Quality of Surface Irrigation Returns in Southern Idaho -- Clarence W. Robison, Richard G. Allen, Richard Merkle (2002)
• Hydraulics of Irrigation Laterals: Comparative Analysis -- Edmar J. Scaloppi, Richard G. Allen (1983)
• Evapotranspiration and Irrigation Water Requirements for Jordan's National Water Master Plan: GIS-Based ET Calculations -- Suzan Taha, Richard G. Allen, Klaus Jacobi, Edward Qunqar (2002)