PRINCIPLES Historical Evolution of Evapotranspiration Methods Water Vapor Flux Models for Agriculture Direct Measurement of Transpiration Design of Lysimeter for Turfgrass Water Use Evapotranspiration: Meteorological Evaporation Estimations with Neural Networks Pan Evaporation Modeling: Indian Agriculture Evaporation for Cypress and Pine Forests: Florida, USA APPLICATIONS Evapotranspiration for Pinelands: New Jersey, USA Water Management in Citrus Vegetation Water Demand and Basin Water Availability in Mexico Turfgrass Deficit Irrigation Practices for Water Evapotranspiration for Saudi Arabia: Modified Hargreaves Model ET with Distant Weather Stations: Saudi Arabia Actual Evapotranspiration using LANDSAT 5 TM in Thailand Sensor Based Irrigation Scheduling Snow Budgeting and Water WATER MANAGEMENT IN THE TROPICS Historical Overview of Evapotranspiration in Puerto Rico Reference Evapotranspiration for Colombia Water Management for Agronomic Crops in Trinidad Crop Water Stress Index for Common Beans Temperature versus Elevation Relationships: Evapotranspiration Generation of Missing Climatic Data: Puerto Rico Estimation of Pan Evaporation Coefficients Daily Evapotranspiration Estimations using Satellite Remote Sensing Vapor Flux Measurement System Climate Change Impacts on Agricultural Water Resources: 2090 Evapotranspiration using Satellite Remote Sensing for the Tropical Climate Water Management in Sweet Peppers Web Based Irrigation Scheduling Calibration of Pyranometers and Satellite-Derived Solar Radiation