Historic perspective and current evapotranspiration theory -- Advances in evapotranspiration -an introduction / K. E. Saxton and T.A. Howell -- Evaporation from land surfaces : progress in analysis and prediction since 1948 / J.L. Monteith -- Rising atmospheric CO2 and evapotranspiration / L.H. Allen -- Tall crop evapotranspiration measurement by an aerodynamic method / P. Cellier -- Evapotranspiration in saline soils / G.F. Hoffman -- Evapotranspiration as modelled by a higher order closure scheme / K.T. Paw -- Evapotranspiration measurement and theory, part I -- Experiences in lysimetry for evapotranspiration and surface drag measurements / W.O. Pruit -- Sources of error in hydraulic weighing lysimeter data / E.G. Kruse -- Advances in evapotranspiration measured using portable Field chambers / D.C. Reicosky -- evaluation of an operational eddy correlation system for evapotranspiration measurements / B.D Tanner -- Symposium luncheon -- Future directions for evapotranspiration / M.E. Jensen -- Predicting evapotranspiration from canopy temperature / A.R. Mitchell -- Real time crop evapotranspiration and determination of crop coefficients / C.J. Phene -- Permanent rainout shelters for evapotranspiration research / G.A. Clark -- Evapotranspiration in rainfed agriculture -- Evapotranspiration empiricisms for minimizing risk in rainfed agriculture / J.T. Ritche -- actual evapotranspiration fron dryland agriculture / J.L Haffield -- Poster session -- a modified atmometer for on-farm evapotranspiration determination / J. Altenhofen -- Daily reference evapotranspiration comparisons in arid and humid environments / R.G. Allen -- Evapotranspiration measurements from different-sized lysimeters / W.A. Dugas -- Water use requeriments of pistachio trees and response to water strees / D.A. Goldhamer -- Measuring evaporation using mini-lysimeters / D.L Martin -- Transpiration studies in plant chambers using simulated weather / G.E. Meyer -- Reflectance-based crop coefficients for use in irrigation scheduling models -- evapotranspiration estimates for The pawnee grasslands / L.O. Poschop -- Lysimetric measurement of pine evapotranspiration for water balances / H. Riekerk -- Water requeriments for corn and soybeens on the delmarva peninsula / W.F. Ritter -- Drought-flow analysisi and prediction in small watersheds / T.S. Steenhuids -- Evapotranspiration in irrigation management -- Evapotranspiration in irrigation management / D.F. Heermann -- Soil evaporation and plant transpiration from irrigated crops / N.L.Klocke -- Use of the CERES-MAIZE model to evaluate irrigation strategies for humid regions / E.C. Martin -- Regional evapotranspiration prediction -- Estimation of regional evapotranspiration / J.L. Hatfield -- Estimation of precipitation, evapotranspiration and runoff using GOES / R.M.Leith -- A prosed methodology for daily evapotranspiration mapping using thermal IR satellite imagery / B. Seguin -- Evapotranspiration in hydrology -- Evapotranspiration from forests : measurement and modeling / L.J. Fritschen -- Evapotranspiration in a basinb scale hydrologic model / L.G. Arnold -- Evapotranspiration from a Oak-Hickory forest / D.D. Baldocchi -- Evapotranspiration dynamics for large river basins / T.E. Croley -- Evapotranspiration measurement and theory -- Crop coefficients for trnaspiration / R.J.Hanks -- A comparison of evapotranspiration by portable chamber with lysimeter data / G.A. Rice --