Preface |
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xiii | |
Acknowledgments |
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xv | |
1 Introduction |
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1 | (4) |
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1.1 Urbanization and Stormwater Runoff |
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1 | (1) |
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1.2 Urban Hydrology, Hydraulics, and Stormwater Quality |
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2 | (1) |
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1.3 Organization of the Book |
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2 | (2) |
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4 | (1) |
2 Rainfall for Designing Urban Drainage Systems |
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5 | (29) |
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2.1 Hydrologic Description of Rainfall |
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5 | (3) |
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2.2 Probabilistic Description of Rainfall |
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8 | (7) |
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2.2.1 Return Period and Hydrologic Risk |
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8 | (2) |
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10 | (3) |
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2.2.3 Intensity-Duration-Return Period Curves |
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13 | (1) |
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2.2.4 Mathematical Intensity-Duration Relationships |
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14 | (1) |
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15 | (3) |
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2.3.1 Continuous Simulation and Single-Event Methods |
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16 | (1) |
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2.3.2 Design Return Period |
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17 | (1) |
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2.3.3 Design-Storm Duration and Depth |
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18 | (1) |
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2.3.4 Spatial and Temporal Distribution of Design Rainfall |
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18 | (1) |
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2.4 Construction of Design-Storm Hyetographs |
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18 | (11) |
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2.4.1 Soil Conservation Service Method |
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18 | (2) |
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2.4.2 Yen and Chow Method |
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20 | (1) |
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21 | (4) |
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2.4.4 Synthetic Block Hyetograph Method |
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25 | (2) |
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27 | (2) |
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29 | (3) |
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32 | (2) |
3 Rainfall Excess Calculations |
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34 | (31) |
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3.1 Calculation of Rainfall Abstractions |
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34 | (19) |
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3.1.1 Interception Storage |
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35 | (1) |
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36 | (16) |
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52 | (1) |
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53 | (7) |
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3.2.1 Soil Conservation Service Method |
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53 | (6) |
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3.2.2 Other Combined Loss Models |
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59 | (1) |
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60 | (3) |
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63 | (2) |
4 Rainfall Excess and Open-Channel Flow in Urban Watersheds |
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65 | (29) |
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4.1 Open-Channel Hydraulics |
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65 | (6) |
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65 | (2) |
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4.1.2 States of Open-Channel Flow |
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67 | (1) |
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4.1.3 Open-Channel Flow Equations |
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68 | (1) |
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4.1.4 Steady Gradually Varied Flow |
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69 | (1) |
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70 | (1) |
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4.1.6 Open-Channel Rating Curve |
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70 | (1) |
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71 | (8) |
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4.2.1 Kinematic-Wave Model |
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72 | (1) |
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4.2.2 Overland Flow on Impervious Surfaces |
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73 | (4) |
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4.2.3 Overland Flow on Pervious Surfaces |
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77 | (2) |
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79 | (11) |
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80 | (3) |
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4.3.2 Muskingum-Cunge Method |
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83 | (2) |
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4.3.3 Muskingum-Cunge Method for Routing with Lateral Inflow |
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85 | (3) |
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4.3.4 Modified Att-Kin Method |
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88 | (2) |
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90 | (3) |
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93 | (1) |
5 Calculation of Runoff Rates From Urban Watersheds |
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94 | (53) |
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95 | (2) |
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5.1.1 Elements of Urban Runoff Hydrographs |
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95 | (2) |
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5.1.2 Definition of Time of Concentration |
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97 | (1) |
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5.2 Calculation of Time of Concentration |
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97 | (7) |
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5.2.1 SCS Time-of-Concentration Method |
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98 | (2) |
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5.2.2 Kinematic Time-of-Concentration Formulas |
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100 | (3) |
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103 | (1) |
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5.3 Unit Hydrograph Method |
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104 | (15) |
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5.3.1 Unit Hydrograph Development |
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104 | (13) |
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5.3.2 Application of the Unit Hydrograph Method |
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117 | (2) |
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5.4 Soil Conservation Service Methods for Runoff Rate Calculations |
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119 | (6) |
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5.4.1 TR-55 Graphical Peak Discharge Method |
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119 | (2) |
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5.4.2 TR-55 Tabular Hydrograph Method |
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121 | (4) |
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5.5 The Santa Barbara Urban Hydrograph Method |
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125 | (4) |
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5.6 USGS Regression Equations |
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129 | (3) |
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132 | (4) |
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5.8 The Kinematic-Rational Methods |
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136 | (5) |
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141 | (4) |
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145 | (2) |
6 Stormwater Drainage Structures |
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147 | (71) |
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6.1 Drainage of Street Pavements |
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147 | (19) |
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6.1.1 General Design Considerations |
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147 | (1) |
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148 | (7) |
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6.1.3 Pavement Drainage Inlets |
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155 | (9) |
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6.1.4 Pavement Drainage Inlet Locations |
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164 | (2) |
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166 | (18) |
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6.2.1 Storm Sewer Hydraulics |
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168 | (6) |
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6.2.2 Design Discharge for Storm Sewers |
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174 | (2) |
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6.2.3 Sizing Storm Sewers |
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176 | (1) |
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6.2.4 Hydraulic Grade Line Considerations |
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176 | (1) |
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6.2.5 Storm Sewer System Design Calculations |
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177 | (7) |
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184 | (16) |
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185 | (9) |
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6.3.2 Outlet Control Flow |
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194 | (5) |
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199 | (1) |
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6.4 Design of Surface Drainage Channels |
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200 | (13) |
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6.4.1 Design of Unlined Channels |
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201 | (7) |
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6.4.2 Design of Grass-Lined Channels |
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208 | (5) |
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213 | (4) |
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217 | (1) |
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217 | (1) |
7 Stormwater Detention for Quantity Management |
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218 | (50) |
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218 | (31) |
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7.1.1 Stage-Storage Relationship |
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219 | (3) |
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7.1.2 Stage-Discharge Relationship |
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222 | (5) |
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227 | (4) |
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7.1.4 Pond-Routing Charts |
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231 | (8) |
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7.1.5 Design of Detention Basins |
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239 | (10) |
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7.2 Infiltration Practices |
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249 | (13) |
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249 | (4) |
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253 | (1) |
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7.2.3 Infiltration Basins |
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253 | (4) |
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7.2.4 Infiltration Trenches |
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257 | (2) |
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259 | (3) |
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262 | (1) |
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262 | (4) |
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266 | (1) |
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267 | (1) |
8 Urban Stormwater Pollution |
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268 | (23) |
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8.1 Modeling Urban Stormwater Quality |
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269 | (10) |
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8.1.1 Solids Buildup and Wash-off from Impervious Areas |
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269 | (4) |
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8.1.2 Solids Wash-off from Pervious Surfaces |
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273 | (4) |
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8.1.3 Wash-off of Pollutants Other than Solids |
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277 | (1) |
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8.1.4 Pollutographs and Loadographs |
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277 | (2) |
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8.2 Annual Pollutant Load Estimates |
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279 | (8) |
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8.2.1 EPA Model for Annual Pollutant Loading Estimation |
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279 | (4) |
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8.2.2 U.S. Geological Survey Model for Mean Annual Loads |
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283 | (2) |
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8.2.3 Metropolitan Washington Council of Governments Method |
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285 | (2) |
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287 | (3) |
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290 | (1) |
9 Best Management Practices for Urban Stormwater Quality Control |
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291 | (35) |
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9.1 Extended Detention Basins |
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293 | (6) |
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9.1.1 Sizing Extended Detention Basins |
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294 | (2) |
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9.1.2 Sizing Water Quality Outlet Devices |
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296 | (2) |
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9.1.3 Additional Extended Detention Basin Design Considerations |
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298 | (1) |
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299 | (14) |
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9.2.1 Permanent Pool Volume |
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300 | (3) |
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9.2.2 Retention Basin Design Considerations |
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303 | (1) |
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9.2.3 EPA Methodology for Analysis of Wet Pond Detention Basins |
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304 | (9) |
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9.3 Water Quality Trenches |
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313 | (1) |
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314 | (2) |
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316 | (4) |
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9.6 Other Vegetative BMPs |
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320 | (1) |
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320 | (1) |
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321 | (1) |
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9.7 The National Stormwater BMP Database |
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321 | (1) |
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322 | (2) |
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324 | (2) |
10 Urban Stormwater Computer Models: HEC-HMS and EPA-SWMM |
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326 | (25) |
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10.1 Hydrologic Modeling Overview and Watershed Delineation |
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327 | (4) |
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10.2 Model Structure and Features of HEC-HMS |
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331 | (3) |
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10.3 Technical Capabilities of HEC-HMS |
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334 | (3) |
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10.4 HEC-HMS Example Problem |
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337 | (7) |
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10.5 Structure and Features of EPA-SWMM |
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344 | (1) |
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10.6 Technical Capabilities of EPA-SWMM |
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345 | (2) |
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10.7 EPA-SWMM Example Problem |
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347 | (1) |
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10.8 Model Calibration and Verification |
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347 | (1) |
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348 | (2) |
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350 | (1) |
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350 | (1) |
Appendix Tabular Hydrograph Unit Discharges for SCS Type II Rainfall Distribution |
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351 | (16) |
Index |
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367 | |