A Tradition in Transition, Water Management Reforms and Indigenous Spate Irrigation Systems in Eritrea

Abraham Mehari Haile

CONTENTS, ACKNOWLEDGEMENT, SUMMARY, 1 COUNTRY BACKGROUND, 2 RESEARCH BACKGROUND, 3 PRINCIPLES AND PRACTICES OF SPATE IRRIGATION SYSTEMS, 4 THE STUDY SITE: THE WADI LABA SPATE IRRIGATION SYSTEM, 5. INDIGENOUS WATER RIGHTS, RULES AND MANAGEMENT BEFORE AND AFTER WATER MANAGEMENT REFORMS, 6. MODELING SOIL MOISTURE AND ASSESSING ITS IMPACTS ON WATER SHARING AND CROP YIELD, 7 HYDRAULIC PERFORMANCE EVALUATION AFTER WATER MANAGEMENT REFORMS, 8. SALINITY AND SODICITY IMPACT ASSESSMENT ON CROP YIELD AND SOIL INFILTRATION RATE, 9. NUTRIENT AND SEDIMENT YIELD ANALYSES FOR THE FLOOD WATER AND IRRIGATED FIELDS, 10 EVALUATION, REFERENCES, APPENDIX 1: Wetted Cross-sectional Area, Velocity and Discharge Data, APPENDIX 2: Climatic and Evapotranspiration Data, APPENDIX 3: The Soil Water Atmosphere Plant Model (SWAP) Input Data, APPENDIX 4: Water Balance Simulation Results Obtained from the Soil Water Accounting Model (SWAM), APPENDIX 5: Water Balance Simulation Results Obtained from the Soil Water Atmosphere Plant Model (SWAP), SYMBOLS, ACRONYMS AND GLOSSARY, SAMENVATTING, ABOUT THE AUTHOR