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Informationen zum Autor Abraham Mehari Haile Klappentext This book presents an assessment of the century-old Wadi Laba indigenous spate irrigation system in Eritrea! analysing the effectiveness of the introduction of contemporary water laws and a new headwork to increase production and standard of living. Zusammenfassung A Tradition in Transition presents an in-depth assessment of the century-old Wadi Laba indigenous spate irrigation system in Eritrea. This system has relied on earthern and brushwood structures and customary water rules to support subsistence livelihoods of the Wadi Laba communities for many years. The book presents original research, which analyzes the effectiveness of contemporary water laws and a new headwork in improving production and standard of living. It also compares the lack of success of these new approaches with traditional methods of water management. Inhaltsverzeichnis 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...
