Note: Front Cover -- Comparison of Forest Water and Energy Exchange Models -- Copyright Page -- Table of Contents -- Preface -- Workshop Participants -- Foreword -- Section I: Data and Computer Facilities -- Chapter 1. Climatic Data and Data Bases at Järdraȧs Ecological Research Station -- Abstract -- Introduction -- Material and methods -- Results and Discussion -- References -- Chapter 2. Evapotranspiration Measurements in Järdraȧs, Instrumentation, Data Gathering and Processing -- Abstract -- Introduction -- Material and methods -- Results -- Discussion and conclusions -- References -- Chapter 3. Storage, Retrieval and Analysis of Continuously Recorded Ecosystem Data -- Abstract -- Introduction -- Analysis programs -- File format in ECODATA -- Concluding remarks -- References -- Chapter 4. SIMP - Interactive Mini-Computer Package for Simulating Dynamic and Static Models -- Abstract -- Introduction -- Coding the model into SIMP -- Standard SIMP programs and disc files -- Coupling between SIMP and ECODATA -- Super-programs -- Discussion and conclusion -- References -- Section II: Atmospheric Exchange and Radiation Models -- Chapter 5. MICROWEATHER Simulation Model, Applied to a Forest -- Abstract -- Introduction -- Model outline -- Inputs -- Methods -- Submodels -- Results -- Discussion -- References -- Chapter 6. Model for Energy Exchange of a Pine Forest Canopy -- Abstract -- Introduction -- Structure of the model -- Radiation interception -- Latent and sensible heat exchange -- Precipitation interception -- Driving variables -- Computational aspects -- Application -- Results -- Discussion -- References -- Chapter 7. Simulating the Quality and Quantity of Short-Wave Radiation Within and Above Canopies -- Abstract -- Introduction -- Model concept -- Program structure and basic input data -- Discussion of program tests and of model performance. , Case studies -- Conclusions -- References -- Chapter 8. Physical Model to Simulate Energy Exchange of Plant Canopies -- Abstract -- Introduction -- Schematic description and fundamentals of the model -- Submodels and basic equations -- Some results -- Conclusions -- References -- Section III: Soil Water and Interception Models -- Chapter 9. Simulation of Water State and Flow in the Soil-Plant-Atmosphere System by a Model Named HEJMDAL -- Abstract -- Introduction -- Description of the model -- Validation -- Application -- Modification of HEJMDAL for Jädraȧs -- References -- Chapter 10. Model for the Water Regime of Forests and Meadow -- Abstract -- List of symbols -- Objective -- Model description -- Model parameters and estimation -- First adaptations of the model and estimation results -- Adaption of the model for Jädraȧs -- Future prospects -- References -- Chapter 11. Model for Annual Water and Energy Flow in a Layered Soil -- Abstract -- Introduction -- Structure of the model -- Heat flux in soil -- Water flux in soil -- Water uptake by roots -- Interception of water -- Snow dynamics -- Driving variables -- Computational aspects -- Application of the model -- Results -- Discussion -- References -- Chapter 12. Model ETFOREST for Calculating Actual Evapotranspiration -- Abstract -- Introduction -- Description of the model -- Adjustment of the model to the forest stand at Jädraȧs -- Results -- References -- Chapter 13. SIM5T/12 - a Model of Forest Transpiration and Interception, Using Data from an Automatic Weather Station -- Abstract -- List of symbols -- Introduction -- Objectives of the model -- Type of output and verification of model performance -- The classification of the model -- The range and application of the model -- The model equations -- The model parameters -- The input variables needed for simulation -- Computing details. , Future prospects and developments -- Acknowledgements -- References -- Section IV: Comparison of Models -- Chapter 14. Comparison of Radiation Models -- Abstract -- Introduction -- Materials -- Results -- Discussion -- Conclusions -- References -- Chapter 15. Comparison of Energy Exchange Models -- Abstract -- Introduction -- Results -- Discussion and conclusions -- References -- Chapter 16. Comparison of Interception Models -- Abstract -- Introduction -- Material -- Results -- Conclusions -- References -- Chapter 17. Model Comparison to Estimate Consumptive Use -- Abstract -- Introduction -- Material and Methods -- Results -- Conclusions -- References -- Chapter 18. Discrepancy between Energy and Water Balance Estimates of Evapotranspiration -- Abstract -- Introduction -- The energy balance method -- The water balance method -- Results and discussion -- Acknowledgements -- REFERENCES -- Chapter 19. Conclusions of the Workshop.