| Foreword 1 | 7 |
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| Foreword 2 | 9 |
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| Foreword 3 | 11 |
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| Preface | 13 |
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| Acknowledgments | 17 |
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| Conversion Factors | 20 |
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| Abbreviations | 21 |
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| Contents | 22 |
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| 1 Purpose and Perspectives | 27 |
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| 1.1 Purpose | 27 |
| 1.2 Perspectives | 42 |
| References | 43 |
| Personal Communication | 48 |
| 2 Introduction | 49 |
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| 2.1 Geography of the Damodar River | 49 |
| 2.2 Geological Set Up | 51 |
| 2.3 Physiographic Divisions | 51 |
| 2.4 Soil | 52 |
| 2.5 Factors Behind Selection of the Lower Damodar as a Specific Studied Section | 52 |
| 2.6 Locational Reference of the Study Area | 55 |
| 2.6.1 Problem of Area Demarcation | 56 |
| 2.7 Review of Studies on the Damodar River | 57 |
| 2.8 Conceptual Background | 60 |
| 2.8.1 Controlled River | 60 |
| 2.8.2 Geomorphic Space and Landscape | 61 |
| 2.8.3 Geomorphic Environment | 61 |
| 2.8.4 Empiricism | 62 |
| 2.8.5 Environmental Determinism and Possibilism | 63 |
| 2.8.6 Culture | 63 |
| 2.8.7 Perception | 64 |
| 2.8.8 Social Space | 65 |
| 2.8.9 Land, Land Resources and Land Use | 66 |
| 2.8.10 Hazard | 67 |
| 2.8.11 Human Ecology | 69 |
| 2.8.12 Refugee | 70 |
| 2.9 Objectives | 71 |
| 2.10 Research Paradigm | 72 |
| 2.11 Applied Geomorphological and Human-Environment Issues | 74 |
| 2.12 Models and Methods | 75 |
| 2.13 Spatial Scale and Time Scale | 76 |
| 2.14 Technique and Tools | 76 |
| 2.14.1 Perception Survey | 77 |
| 2.14.2 Tools Used | 77 |
| 2.14.3 Detailed Mapping for 5 Years (1993--1997) and Updated During 2000 and 2001, 2007 and 2008 | 77 |
| 2.15 Selection of Variables and Indicators | 78 |
| 2.16 Data Base and Data Constraint | 79 |
| 2.17 Chapter Organization | 79 |
| 2.18 Working Steps | 79 |
| References | 80 |
| 3 Flood and Water Resource Management in the Controlled Tropical River Damodar | 88 |
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| 3.1 Tropicality of the Lower Damodar Environment | 88 |
| 3.2 Background of the Population Group | 92 |
| 3.3 The Damodar -- A Flood-Prone River | 92 |
| 3.4 Changing Courses of the Lower Damodar | 94 |
| 3.5 Flood History of the Lower Damodar River | 95 |
| 3.6 Policy Recommendation by National Commission on Floods | 98 |
| 3.7 Phases of Controlling the Lower Damodar | 98 |
| 3.7.1 Embankments | 99 |
| 3.7.1.1 Zamindary Period | 99 |
| 3.7.1.2 British Period | 99 |
| 3.8 Weirs, Sluices and Canals | 104 |
| 3.9 Post-British Period | 105 |
| 3.9.1 Damodar Flood Enquiry of 1944: Conception of the DVC | 106 |
| 3.10 Post-Independence Period | 107 |
| 3.10.1 Lower Damodar Scheme | 110 |
| 3.11 Impacts of Lateral Control Structures | 111 |
| 3.12 Impacts of Embankments | 112 |
| 3.12.1 Rising Riverbed | 112 |
| 3.12.2 Changes in Soil Composition in the Adjacent Riparian Tracts | 113 |
| 3.13 Consequences of the Removal of the Right Bank Embankment | 113 |
| 3.13.1 Changes in Fertility Status on the Right Bank | 114 |
| 3.13.2 Changing Cross Profile | 114 |
| 3.13.3 An Increase in Cross Section | 114 |
| 3.13.4 Opening Up of Hana or Spill Channels on the Right Bank | 114 |
| 3.13.4.1 Origin of the Begua and the Muchi Hana and Deterioration of the Amta Channel | 117 |
| 3.14 Impact of the Left Bank Embankment | 119 |
| 3.14.1 Drainage Congestion | 119 |
| 3.14.2 Reversal of Slope | 119 |
| 3.15 Summary | 122 |
| References | 124 |
| Personal Communication | 127 |
| 4 The Reservoired Lower Damodar River: A Hydro-Geomorphic Perspective | 128 |
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| 4.1 Damodar: A ``Reservoir Channel'' | 128 |
| 4.2 Impacts of Dams: Changing Flow Regime | 129 |
| 4.2.1 Daily, Monthly Mean, and Annual Flow Characteristics | 129 |
| 4.2.2 Changes in Peak Flow Characteristics | 135 |
| 4.2.3 Modification of Hydrographs in the Post-dam Period | 138 |
| 4.2.4 Flood Hydrology | 138 |
| 4.3 Changing Flood Behavior in the Lower Part of the Lower Damodar River | 144 |
| 4.4 Relationship Between Discharge and Rainfall in Pre-dam and Post-dam Periods | 146 |
| 4.5 Changes in Suspended Sediment Concentration | 149 |
| 4.6 Silting of the Reservoirs | 153 |
| 4.6.1 The Construction of an Upstream Dam | 155 |
| 4.7 Changing Channel Morphology | 155 |
| 4.7.1 Increases in the Sinuosity Index | 156 |
| 4.7.2 Planform Configuration | 158 |
| 4.7.3 Changes in Riverbed Slope | 160 |
| 4.8 Stabilization of Bars | 161 |
| 4.9 An Example of the Rate of Changes to the Channel Sandbars | 162 |
| 4.10 Shifting Bank Lines and Bank Erosion | 163 |
| 4.11 Present Condition of the Jamalpur Regulator | 163 |
| 4.12 Present Condition of Jujuti Sluice and Eden Canal | 163 |
| 4.13 Present Condition of the Ulughata Sluice | 164 |
| 4.14 Summary | 165 |
| References | 166 |
| Personal Communication | 170 |
| 5 Colonization Processes on the Lower Damodar Riverbed | 171 |
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| 5.1 History of Colonization | 171 |
| 5.2 Background of Refugee Influx | 172 |
| 5.3 Phases of Colonization in the Lower Damodar Riverbed | 173 |
| 5.3.1 The First Phase of Colonization | 173 |
| 5.3.2 The Second Phase of Colonization | 175 |
| 5.3.3 The Third Phase of Colonization | 176 |
| 5.3.4 The Fourth Phase of Colonization | 176 |
| 5.4 Summary | 177 |
| References | 177 |
| 6 The Controlled Lower Damodar River: A Social Perspective | 178 |
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| 6.1 Understanding Human Role in Changing Riverine Environment | 179 |
| 6.2 Contemporary Riverbed Characteristics Between the Maithon Panchet Reservoirs and Barsul-Chanchai | 182 |
| 6.3 Land Use Planning in the Riverbed: Maithon Panchet Reservoirs to Barsul Chanchai | 183 |
| 6.3.1 Gangtikali | 183 |
| 6.3.2 Vivekanandapalli Squatters' Colony | 185 |
| 6.3.3 Damodar Char Mohana | 188 |
| 6.3.4 Ramakrishna Palli, Pallishri and Sitarampur Mana | 190 |
| 6.3.5 Bara Mana | 194 |
| 6.3.5.1 Land Use Characteristics and Flood Zoning
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