Mengistu, Kassa Tadele: Watershed hydrological responses to changes in land use and land cover, and management practices at Hare watershed, Ethiopia. 2009
Inhalt
- FRONT PAGE
- ABSTRACT
- ACKNOWLEDGEMENT
- CONTENTS
- LIST OF ABBREVIATIONS
- LIST OF NOMENCLATURES
- LIST OF FIGURES
- LIST OF TABLES
- 1 Introduction
- Background and Problem Statement
- Objectives of the Study
- Significance of the Study
- Organization of the Thesis
- Overall Framework of the Study
- 2 The Study Area
- Location and Description
- Topography, Geology and Soils
- Hydro-Meteorological Settings
- Land Use and Farming Systems
- Water Resources Use and Management
- Population and Socio-Economic Conditions
- 3 Land Use and Land Cover Changes
- Land Use and Land Cover: Definitions and Concepts
- Land Use and Land Cover Change Studies in Ethiopia
- Data and Methodology
- Results and Discussion
- Implications of Land Use and Land Cover Changes
- Conclusions
- 4 Watershed Hydrological Modeling in the Context of Sustainable Water Resources Management
- Introduction
- Water Resources Management
- Hydrologic Model Selection
- Description of Selected Models
- Hydrological Processes Modelled
- Surface Runoff Generation
- Computation of Evapotranspiration
- Water Movement in Soil
- Lateral Subsurface Flow
- Baseflow Estimation
- Flow Routing
- Models Input Data preparation and processing
- General
- Climatic Input Data Processing
- Soil Type Identification and Mapping
- Streamflow Data and Groundwater Monitoring
- Watershed Characterization and Delineation
- Preliminary Analysis of Models Input Data
- Rainfall data analysis
- Analysis of Soil Data at Hare Watershed
- Analysis of Streamflow and Groundwater Levels
- Conclusions
- 5 Hydrological Model Performances, Sensitivity and Uncertainty Analysis
- Introduction
- Methodology
- Results and Discussions
- Conclusions
- 6 Hydrological Responses to Changes in Land Use and Climate
- Introduction
- Land use and climate change scenarios
- Methodology
- Simulating Impacts of LUCC on Hydrological Regimes: Status Quo
- Future Climate Change Scenarios
- Land Use Change/Modification Scenarios
- Result and Discussion
- Impacts of LUCC on Streamflow and Irrigation Water Use: Existing situation
- Climate Change Scenario Analysis
- LUCC Scenario Analysis
- Conclusions
- 7 Towards Sustainable Water Resource Management in the view of Land Use and Climate Changes
- Introduction
- Irrigation Water Use and Management: A Watershed Perspective
- Simulation-Optimization Modelling Approach for Irrigation Water Allocation
- Methods and Procedures
- Results and Discussion
- Crop Yield Responses ‘with’ and ‘without’ Irrigation Scenarios
- Optimization of Irrigation Water Allocation
- Utilization of the Optimization Program
- Conclusion
- 8 Conclusions and Recommendations
- References
- Glossary
- APPENDICES