Metsi Consultants - DWA Home Page

METSI CONSULTANTS: SUMMARY OF MAIN FINDINGS FOR PHASE 1 DEVELOPMENT
TABLE OF CONTENTS
SECTION 1. BACKGROUND 1
1.1. LESOTHO - A COMPONENT OF THE SOUTHERN AFRICAN REGION 1
1.2. LESOTHO HIGHLANDS WATER PROJECT 1
1.3. TREATY ON THE LESOTHO HIGHLANDS WATER PROJECT 2
1.4. WATER TRANSFERS AND RIVER FLOWS 3
1.5. PREVIOUS STUDIES 3
1.6. POST-STUDY PLANNING AND DECISIONS 4
1.7. REQUESTED REVISIONS TO IFR ANALYSES AND REPORTING 5
1.8. PURPOSE OF THIS REPORT 5
SECTION 2. NATURE OF INSTREAM FLOW ASSESSMENTS 7
2.1. INSTREAM FLOW ASSESSMENTS AS A RESPONSE TO RIVER REGULATION 7
2.2. PURPOSE OF IFR DETERMINATION 7
2.3. METHOD DEVELOPMENT 8
2.4. UNCERTAINTY AND ADAPTIVE MANAGEMENT 9
SECTION 3. STUDY AREA 11
3.1. CHARACTERISTICS OF THE STUDY AREA 11
3.2. STUDY SITES 12
3.2.1 River Reaches 12
3.2.2 Definitions 12
3.2.3 IFR Sites and Reaches 13
3.2.4 Social Villages and Reaches 13
3.2.5 Pilot Sociological Survey 13
3.2.6 Detailed Sociological Study 14
3.2.7 Clinics 14
3.2.8 Location of IFR Sites in Relation to Gauging Stations 14
3.3. SUMMARY OF THE AVAILABLE HYDROLOGICAL DATA 14
SECTION 4. APPLICATION OF THE DRIFT METHOD TO THE LHWP 17
4.1. SCENARIOS 17
4.1.1 Minimum Degradation 17
4.1.2 Treaty 17
4.1.3 Design Limitation 18
4.1.4 Fourth Scenario 18
Report No 678-F-001 ix