| 000 | 02834nam a2200217#a 4500 | ||
|---|---|---|---|
| 001 | vtls000020674 | ||
| 008 | 230822s1998 xx 000 0 eng d | ||
| 020 | _a9290903651 | ||
| 040 | _aJPS | ||
| 090 | 0 | 0 | _aHYDR 626.8 HOR |
| 100 |
_aHorst Lucas _eauthor |
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| 245 | 4 | _aThe Dilemmas of Water Division : Considerations and Criteria for Irrrigation System Design | |
| 260 |
_aColombo : International Irrigation Managemet Institute, _c1998 |
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| 300 | _a123p,illust,26cm | ||
| 505 | _aPART 1: INTRODUCTION 1.HISTORICAL AND INTRODUCTORY NOTES 1.1First Half of the Twentieth Century:A Balanced Development 1.2Mid-Century Disruption 1.3Problems and Solutions 2.DELINEATION OF THE CONTENTS 2.1Points of Departure 2.2The Focus on Water Division Technology 2.3Limitations 2.4Struture of the Book PART 11: THE PHYSICAL SYSTEM 3.IRRIGATION SYSTEMS 3.1Introduction 3.2Types of Systems 3.3Layout 3.4Farmer's Dependency on the System 4.WATER DIVISION STRUCTURES 4.1Introduction 4.2Types of Bifurcation 4.3Types of Structures 4.4Sensitivityand Hydraulic Flexibility 4.5Measurement Structures 4.6Operational Characteristics PART III: DESIGN AND PRACTICE 5.WATER DELIVERY SCHEDULES-DESIGN CHOICES AND ASSUMPTIONS 5.1Introduction 5.2The Water Delivery Schedules 5.3The Reliability of Water Delivery Schedules 5.4Demand-supply considerations 5.5The Equity Issue 6:TYPES OF DELIVERY AND APPURTENANT TECHNOLOGY 6.1Introduction 6.2Schedule 1.Proportional Division-Traditional 6.3Schedule 2.Proportional Division-Punjab type 6.4Schedule 3A and 3B. Variable Flows 6.5Schedule 4.Intermittent Flows 6.6Schedule 5.automatic Delivery 6.7Deviating Choice of Structures 7.CHOOSING STRUCTURES AND THE OPERATIONAL IMPLICATIONS 7.1Introdution 7.2Hydraulic Behavior 7.3Operational Aspects 7.4Human Dimensions 8:OPERATIONAL REALITY 8.1Introduction 8.2The Actors 8.3discrepancies between Assumptions and reality 9.SUMMARY AND CONCLUSIONS PART IV: OPTIONS FOR CHANGE 10: IN SEARCH OF SOLUTIONS 10.1Introduction 10.2Improving in The design Process 10.3Chages in Management 10.4Changes in Technology 11.SIMPLIFICATIONS OF WATER DELIVERY AND TECHNOLOGY 11.1Introduction 11.2Simplifed Technologies 11.3Simplified Delivery 11.4applicability of Simplified Delivery in Case of sufficient Water 11.5Applicability of Simplifield Delivery in Case of Water Shortaes 11.6Consequences of Simplified Technologies 12.INTERMEDIATE RESERVOIRS 12.1Introduction 12.2Location in the System 12.3Layout 12.4Methods for Deleveries to Tertiary Reservoirs 12.5Feasibility 13.CONCLUDING REMARKS 13.1INtroduction 13.2Answering thr Questions 13.3Limitations 13.4future Trends 13.5Research Needs | ||
| 546 | _aeng | ||
| 650 | 1 | 0 | _aIRRIGATION ENGINEERING |
| 942 | _cMONO | ||
| 990 | _a1998 | ||
| 999 |
_aVIRTUA _aVTLSSORT0080*0200*0900*1000*2450*2600*3000*5050*5460*6500*9050*9900*9980*9991 _c13864 _d13864 |
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| 003 | JPS | ||