storm water management model, version 4: user's manual

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Contents (continued)No-Fault Error Summary .......................................................................... 23Default/Ratio Data Lines........................................................................... 23Interfacing Between Blocks ............................................................................ 23Computer System Requirements..................................................................... 24FORTRAN ................................................................................................ 24System Memory ........................................................................................ 34Program Verification, i.e. Bugs................................................................. 30Instructions for Executive Block Data Preparation......................................... 30Logical Units............................................................................................. 30Interface and Scratch Files ........................................................................ 31Block Selection ......................................................................................... 33Graph Routine ................................................................................................. 35Capabilities................................................................................................ 35Input Parameters and Options ................................................................... 35Section 3 Combine Block...................................................................................................... 43Block Description............................................................................................ 43Data Preparation.............................................................................................. 44Collate ....................................................................................................... 44Combine .................................................................................................... 44Extracting and Renumbering..................................................................... 44ASCII File Output ..................................................................................... 47Quality Options ......................................................................................... 47Timing....................................................................................................... 47Files........................................................................................................... 47Section 4 Runoff Block......................................................................................................... 52Block Description............................................................................................ 52Introduction ............................................................................................... 52Program Operation .................................................................................... 52Interfacing and the Use of Disk Files........................................................ 54Data Preparation B General Information......................................................... 55Introduction ............................................................................................... 55Basic Runoff Data Sources ....................................................................... 56General and Control Data (Groups A1-B6) .................................................... 57Meteorological Data (Groups C1-F1) ............................................................. 58Snowmelt Data.......................................................................................... 58Precipitation Data...................................................................................... 65Evaporation Data (Group F1).................................................................... 72Surface Quantity Data (Groups G1-I3) ........................................................... 72Runoff Flow Routing Procedures and Options ......................................... 72Input Data Preparation .............................................................................. 73viii
Contents (continued)Discretization of the Catchment................................................................ 73Channel/Pipe Data (Groups G1 and G2)................................................... 79Subcatchment Surface Data (Group H1)................................................... 84Subcatchment Aggregation and Lumping............................................... 110Subsurface Flow Routing (Data Groups H2-H4).................................... 112Snowmelt (Data Groups I1-I3)................................................................ 116Surface Quality Data (Groups J1-L1)............................................................ 122Preface to Quality Simulation ................................................................. 122Overview of Quality Procedures ............................................................. 125Quality Simulation Credibility................................................................ 126Required Degree of Temporal Detail ...................................................... 126Quality Constituents................................................................................ 127Land Use Data (Group J2) ...................................................................... 129Buildup.................................................................................................... 129Washoff................................................................................................... 141Related Buildup-Washoff Studies........................................................... 153Rating Curve ........................................................................................... 157Street Cleaning........................................................................................ 158Catchbasins ............................................................................................. 161Constituent Fractions .............................................................................. 167Precipitation Contributions ..................................................................... 169Urban Erosion ......................................................................................... 173Subcatchment Quality Data (Group L1) ................................................. 178Overall Sensitivity to Quality Parameters............................................... 180Print Control (Groups M1-M3)..................................................................... 184Runoff Output ......................................................................................... 184Print Options ........................................................................................... 184Section 5 Extended Transport Block................................................................................... 207Section 6 Transport Block................................................................................................... 208Block Description.......................................................................................... 208Introduction ............................................................................................. 208Broad Description of Flow Routing........................................................ 208Broad Description of Quality Routing .................................................... 210Program Operation .................................................................................. 210Off-Line Files.......................................................................................... 212Organization of Data Input...................................................................... 212Transport Data............................................................................................... 213Categories of Data................................................................................... 213Theoretical Data ...................................................................................... 213ix
Page 1: EPA/600/3-88/001aNTIS PB88-236641/A
Page 4 and 5: are not severe, the model is very e
Page 7: ContentsDisclaimer ................
Page 11 and 12: Contents (continued)Pollutant Remov
Page 13 and 14: Contents (continued))Quality.......
Page 15 and 16: Contents (continued)Particle Size D
Page 17 and 18: Figures (continued)4-32. Time histo
Page 19 and 20: Figures (continued)VII-14.BOD conce
Page 22 and 23: Tables (continued)VIII-1. Average M
Page 24 and 25: Changes for October 1992 Second Pri
Page 26 and 27: Heaney and Nix, 1977) and others: H
Page 28 and 29: All three original contractors have
Page 30 and 31: 4) The effect (receiving waters):SW
Page 32 and 33: Table 1-1. Summary of EPA Storm Wat
Page 34 and 35: Table 1-1. ContinuedComputational S
Page 36 and 37: Table 1-1. ContinuedCosts(1) Model
Page 38 and 39: sequencing of input data is still p
Page 40 and 41: available, SWMM may also be used as
Page 42 and 43: Figure 2-1. Relationship among SWMM
Page 44 and 45: Table 2-1. Example SWMM Input with
Page 46 and 47: printed either under the graph or a
Page 48 and 49: 6) the number of pollutants found o
Page 50 and 51: Table 2-2. Detailed Organization of
Page 52 and 53: Table 2-3. FORTRAN Statements Requi
Page 54 and 55: Table 2-5. SWMM Parameter Statement
Page 56 and 57: I/O DeviceLogical UnitCard Reader 5
Page 58 and 59:
Here, JIN(K+1) = I refers to an inp
Page 60 and 61:
Runoff Block, such a run would be m
Page 62 and 63:
Table 2-9. Executive and Graph Bloc
Page 64 and 65:
Table 2-9. ContinuedVariable Descri
Page 66 and 67:
Table 2-9. ContinuedVariable Descri
Page 68 and 69:
Section 3Combine BlockBlock Descrip
Page 70 and 71:
Figure 3-1. Combination of SWMM run
Page 72 and 73:
can be used to combine the two netw
Page 74 and 75:
Table 3-1. Combine Block Input Data
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