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Precipitation-Runoff and Streamflow-Routing Models for the ...

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APPENDIX 1. STREAM GEOMETRY FOR MAIN STEM AND MAJOR TRIBUTARIES OF THE WILLAMETTE RIVER, OREGON, AT SELECTEDINTERVALS—CONTINUEDTualatin River from Farmington (RM 33.3) to mouthRiver Reach | Low Flow | High Flow |Mile Sta. Length Location Elev Slope Disch. Width Vel. Area Time Disch. Width Vel. Area Time(mi) (ft) (ft/ft) (ft 3 /s) (ft) (ft/s) (ft 2 ) (hrs)(ft 3 /s) (ft) (ft/s) (ft 2 ) (hrs)0.0 33.3 Mouth 54.131.8 31.5 1.8 Gage 14207500 83.00 0.003038 140 115 1.72 81 1.5 31500 246 8.7 3614 0.33.4 29.9 1.6 Oswego Div. Dam 99.70 0.001977 140 170 0.82 171 2.9 31500 246 8.7 3614 0.36.7 26.6 3.3 Oswego Canal Div. 100.00 0.000017 140 180 0.18 778 26.9 31500 397 6.8 4623 0.79.6 23.7 2.9 Fanno Creek (LB) 100.20 0.000013 200 175 0.12 1667 35.4 31700 693 6.2 5146 0.715.4 17.9 5.8 Chicken Cr. 100.50 0.000010 205 140 0.14 1464 60.8 31100 632 6.1 5097 1.421.0 12.3 5.6 100.80 0.000010 205 110 0.15 1367 54.8 30900 575 6.9 4476 1.228.2 5.1 7.2 McFee/Heaton Crs. 101.20 0.000011 200 110 0.15 1333 70.4 30800 519 6.9 4469 1.531.0 2.3 2.8 Miscl. Creeks 101.60 0.000027 200 90 0.22 909 18.7 30600 462 7.6 4030 0.533.3 0.0 2.3 Gage 14206500 102.00 0.000033 195 60 0.28 696 12.0 30400 406 7.6 4015 0.494River DAFLOW Parameter Values DiffusionMile Area Width CoefficientA1 A2 A0 W1 W2 Low High1.8 3.70 0.66 170 64.0 0.130 189 210763.4 3.70 0.66 170 64.0 0.130 291 323866.7 4.00 0.66 900 50.0 0.200 30264 23050229.6 4.20 0.66 1220 46.8 0.260 41256 175190215.4 4.20 0.66 1220 42.9 0.260 61115 251244221.0 4.00 0.66 800 39.1 0.260 64743 264888628.2 4.00 0.66 800 35.3 0.260 67899 282246931.0 3.80 0.66 560 31.5 0.260 29591 122412433.3 3.80 0.66 560 27.7 0.260 27128 1137938

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