1Preface
645 Watershed Hydrology
21 Rainfed Agriculture
655.1 Hydrologic Cycle
31.1 Basic Concept of Rainfed Agriculture
665.1.1 Process of Hydrological Cycle
41.1.1 Features and Concerns with Rainfed Agriculture
675.1.2 Precipitation
51.1.2 Types of Rainfed Agriculture
685.1.3 Rainfall Measurement
61.1.3 Rainfed Agriculture issues and Prospects
695.1.4 Errors in Rainfall Measurements
71.2 Techniques for Water and Soil Conservation
705.1.5 Frequency Analysis of Point Rainfall
81.2.1 Strip Cultivation
715.1.6 Mass Curve of Rainfall
91.2.2 Mulching
725.1.7 Hyetograph
101.2.3 Rotation of Crops
735.1.8 Depth-Area-Duration Curves
111.2.4 Contour Cultivation
745.1.9 Intensity Duration Frequency (IDF) Curves
121.2.5 Planting of Trees and Afforestation
755.2 Runoff of Watershed Hydrology
132 Drought
765.2.1 Factors Affecting Runoff
142.1 Drought: Overview
775.2.2 Measurement of Runoff
152.1.1 Definition of Drought
785.2.3 Measurement of Stage
162.1.2 Types of Drought
795.2.4 Peak Rate of Runoff
172.1.3 Causes of Drought
805.2.5 Cook’s Method
182.1.4 Effects of Drought
815.2.6 SCS Curve Number Method
192.2 Crop Adaptation and Mitigation to Drought
825.3. Geomorphology of Watersheds
202.2.1 Crop Adaptation
835.3.1 Linear Aspects
212.2.2 Mitigation to Drought
845.3.2 Aerial Aspects
223 Water Harvesting
855.3.3 Relief Aspect
233.1 Water Harvesting and Benefits
865.4. Hydrograph
243.1.1 Benefits of Water Harvesting
875.4.1 Hydrograph and the Catchment’s Characteristics
253.1.2 Significance of Water Harvesting in Agriculture in Dry Areas
885.4.2 Hydrograph Components
263.2 Techniques of Water Harvesting
895.4.3 Base Flow Separation
273.2.1 Rain Barrels
905.4.4 Unit Hydrograph Theory
283.2.2 Dry System
915.4.5 Limitations of Unit Hydrograph Theory
293.2.3. Wet System
925.4.5. S–Curve
303.2.4 Green Roof
935.4.6. Synthetic Hydrograph
313.3 Efficient Utilization of Water through Soil and Crop Management Practices
945.5. Stream Gauging
323.3.1 Soil Moisture Management for Sustainable Farming System
955.5.1 Measuring Discharge using Weir
333.3.2 Practices to Improve Infiltration Conserve Water and Reduce Runoff
965.5.2 Flood Peak
343.4 Management of Crops in Rainfed Areas
975.5.3 Design Flood
353.4.1 Contingent Crop Planning for Aberrant Weather Conditions
985.5.3 Flood Routing
363.4.1 Late-onset of Monsoon
996 Watershed Modeling
373.4.3 Dry Spells during Crop Period
1006.1 Perception of Watershed Modeling
383.4.4 Early withdrawal of the Monsoon
1016.1.1 Watershed Modeling Strategy
393.4.5 Extended Monsoon
1026.1.2 Watershed Modeling System
404 Watershed: An Introductory Approach
1036.2. Modeling of Rainfall Runoff Process
414.1 Concept of a Watershed
1046.2.1 Importance of Interception
424.1.1 Watershed–Definition
1056.2.2. Methods to Measure Interception
434.1.2 Significance of Watersheds
1066.2.3 Evaporation
444.1.3 Watershed Delineation
1076.2.4 Surface Water Flow.
454.1.4 Objectives of Watershed Development
1086.2.5 Groundwater Flow
464.1.5 Development of Watersheds
1097 Watershed Planning and Management
474.1.6 Community Watershed Management
1107.1 Watershed Planning and Development
484.2 Watershed Management Approach
1117.1.1 Watershed Planning Process
494.2.1 Watershed Planning
1127.1.2 Data Required for Watershed Planning
504.2.2 Data Collection
1137.1.3 Watershed Development
514.2.4 Strategy Development
1147.2 Watershed Management
524.2.5 Implementation
1157.2.1 Objectives for Watershed Management
534.3 Watershed Characteristics and Classification
1167.2.2 Factors affecting the Watershed Management
544.3.1 Classification of Watershed
1177.2.3 Hydrologic Data for the Watershed Planning
554.3.2 Physical Features
1187.2.5 Watershed Codification
564.3.3 Channel Features
1197.2.6 Water Budgeting in a Watershed
574.3.4 Hydrological Features
1207.2.7 Rainwater Conservation Technologies
584.4 Issues and Causes of Watershed Deterioration: 4.4.1 Water Extraction
1217.3 Integrated Watershed Management
594.5 Watershed Analysis Data
1227.3.1 Principles for Integrated Watershed Management
604.5.1 Components of Watershed
1237.3.2 Purposes of Integrated Watershed Management
614.5.2 Steps involved in Watershed Delineation
1247.3.3 New Perspective and Opportunities related with Watershed Management
624.5.3 Application of Watershed Analysis
125References
634.5.4 Features of Watershed
126Index