SECTION 5: Watershed Delineation ............................................................................. 54
SECTION 5.1: Watershed Delineation Dialog Box .................................................... 55
SECTION 5.2: DEM Setup ........................................................................................ 56
SECTION 5.3: Stream Definition ............................................................................... 67
SECTION 5.3.1: Threshold-Based Stream Definition ............................................. 68
SECTION 5.3.2: Pre-Defined Watersheds and Streams ........................................ 69
SECTION 5.4: Outlet and Inlet Definition ................................................................... 71
SECTION 5.5: Watershed Outlet(s) Selection and Definition .................................... 78
SECTION 5.6: Calculation of Subbasin Parameters .................................................. 81
SECTION 5.7: Completion of Watershed Delineation ................................................ 86
SECTION 6: HRU Analysis ........................................................................................... 87
SECTION 6.1: Land Use / Soil / Slope Definition and Overlay .................................. 87
SECTION 6.1.1: Get Started .................................................................................. 88
SECTION 6.1.2: Land Use Data ............................................................................ 89
SECTION 6.1.3: Soil Data Layer ............................................................................ 99
SECTION 6.1.4: Slope Classification ................................................................... 111
SECTION 6.1.5: Overlay of Landuse, Soil, and Slope Layers ............................. 114
SECTION 6.2: HRU Definition ................................................................................. 117
SECTION 7: Import Weather Data .............................................................................. 131
SECTION 8: Creation of Input ..................................................................................... 138
SECTION 8.1: Write All ........................................................................................... 138
SECTION 9: Input Modification—Point Sources ......................................................... 143
SECTION 10: Input Modification—Inlet Discharges .................................................... 151
SECTION 11: Input Modification—Reservoirs ............................................................. 159
SECTION 12: Input Modification--Subbasins .............................................................. 168
SECTION 12.1: Edit Soil Parameters (.SOL) ........................................................... 172
SECTION 12.2: Edit Weather Generator Input Data (.WGN) .................................. 177
SECTION 12.3: Edit Subbasin General Input Data (.SUB) ...................................... 181
SECTION 12.4: Edit HRU General Input Data (.HRU) ............................................. 187