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Appendix D - SOP for Stream Flow Measurement - Hansen Project 8 <br />Table 2. Lookup Table for Portable Cutthroat Flume <br />Upstream <br />Flow Rate in Gallons per Minute GPM based on Flume Bottom Width <br />a <br />Gau g Height (ft) ft <br />gpm <br />gpm <br />gpm <br />gpm <br />cfs <br />cfs <br />cfs <br />11 <br />cfs <br />8 <br />1/II <br />2tv <br />411 <br />811 <br />lit <br />2" <br />011 <br />0.10 <br />2.25 <br />4...58 <br />9.32 <br />19.0 <br />0.005 <br />0.010 <br />0.021 <br />0.042 <br />0.11 <br />2.72 <br />5.54 <br />11.3 <br />23.0 <br />0.006 <br />0.012 <br />0.025 <br />0.051 <br />0.12 <br />3.24 <br />6.60 <br />13.4 <br />27.4 <br />0.007 <br />0.015 <br />0.030 <br />0.061 <br />0.13 <br />3.80 <br />7.74 <br />15.8 <br />32.1 <br />0.008 <br />0.017 <br />0.035 <br />0.072 <br />0.14 <br />4.41 <br />8.98 <br />18.3 <br />37.2 <br />0.010 <br />0.020 <br />0.041 <br />0.083 <br />0.15 <br />5.06 <br />10.3 <br />21.0 <br />42.8 <br />0.011 <br />0.023 <br />0.047 <br />0.095 <br />0.16 <br />5.76 <br />11.7 <br />23.9 <br />48.6 <br />0.013 <br />0.026 <br />0.053 <br />0.108 <br />0.17 <br />6.50 <br />13.2 <br />26.9 <br />54.9 <br />0.014 <br />0.029 <br />0.060 <br />0.122 <br />0.18 <br />7.29 <br />14.8 <br />30.2 <br />61.6 <br />0.016 <br />0.033 <br />0.067 <br />0.137 <br />0.19 <br />8.12 <br />16.5 <br />33.6 <br />68.6 <br />0.018 <br />0.037 <br />0.075 <br />0.153 <br />0.20 <br />9.00 <br />18.3 <br />37.3 <br />76.0 <br />0.020 <br />0.041 <br />0.083 <br />0.169 <br />0.21 <br />9.92 <br />20.2 <br />41.1 <br />83.8 <br />0.022 <br />0.045 <br />0.092 <br />0.187 <br />0.22 <br />10.9 <br />22.2 <br />45.1 <br />92 <br />0.024 <br />0.049 <br />0.101 <br />0.205 <br />0.23 <br />11.9 <br />24.2 <br />49.3 <br />101 <br />0.027 <br />0.054 <br />0.110 <br />0.224 <br />0.24 <br />13.0 <br />26.4 <br />53.7 <br />109 <br />0.029 <br />0.059 <br />0.120 <br />0.244 <br />0.25 <br />14.1 <br />28.6 <br />58.3 <br />119 <br />0.031 <br />0.064 <br />0.130 <br />0.265 <br />0.26 <br />15.2 <br />31.0 <br />63.0 <br />128 <br />0.034 <br />0.069 <br />0.140 <br />0.286 <br />0.27 <br />16.4 <br />33.4 <br />67.9 <br />139 <br />0.037 <br />0.074 <br />0.151 <br />0.309 <br />0.28 <br />17.6 <br />35.9 <br />73.1 <br />149 <br />0.039 <br />0.080 <br />0.163 <br />0.332 <br />0.29 <br />18.9 <br />38.5 <br />78.4 <br />160 <br />0.042 <br />0.086 <br />0.175 <br />0.356 <br />0.30 <br />20.3 <br />41.2 <br />83.9 <br />171 <br />0.045 <br />0.092 <br />0.187 <br />0.381 <br />0.31 <br />21.6 <br />44.0 <br />89.6 <br />183 <br />0.048 <br />0.098 <br />0.200 <br />0.407 <br />0.32 <br />23.0 <br />46.9 <br />95.4 <br />195 <br />0.051 <br />0.104 <br />0.213 <br />0.434 <br />0.33 <br />24.5 <br />49.9 <br />101 <br />207 <br />0.055 <br />0.111 <br />0.226 <br />0.461 <br />0.34 <br />26.0 <br />52.9 <br />108 <br />220 <br />0.058 <br />0.118 <br />0.240 <br />0.489 <br />0.35 <br />27.6 <br />56.1 <br />114 <br />233 <br />0.061 <br />0.125 <br />0.254 <br />0.519 <br />0.36 <br />29.2 <br />59.4 <br />121 <br />246 <br />0.065 <br />0.132 <br />0.269 <br />0.549 <br />0.37 <br />30.8 <br />62.7 <br />128 <br />260 <br />0.069 <br />0.140 <br />0.284 <br />0.580 <br />0.38 <br />32.5 <br />66.1 <br />135 <br />274 <br />0.072 <br />0.147 <br />0.300 <br />0.611 <br />0.39 <br />34.2 <br />69.7 <br />142 <br />289 <br />0.076 <br />0.155 <br />0.316 <br />0.644 <br />0.40 <br />36.0 <br />73.3 <br />149 <br />304 <br />0.080 <br />0.163 <br />0.332 <br />0.677 <br />0.41 <br />37.8 <br />77.0 <br />157 <br />319 <br />0.084 <br />0.172 <br />0.349 <br />0.712 <br />0.42 <br />39.7 <br />80.8 <br />164 <br />335 <br />0.088 <br />0.180 <br />0.366 <br />0.747 <br />0.43 <br />41.6 <br />84.7 <br />172 <br />351 <br />0.093 <br />0.189 <br />0.384 <br />0.783 <br />0.44 <br />43.6 <br />88.7 <br />180 <br />368 <br />0.097 <br />0.198 <br />0.402 <br />0.820 <br />0.45 <br />45.6 <br />92.7 <br />189 <br />385 <br />0.102 <br />0.207 <br />0.421 <br />0.857 <br />0.46 <br />47.6 <br />96.9 <br />197 <br />402 <br />0.106 <br />0.216 <br />0.439 <br />0.896 <br />0.47 <br />49.7 <br />101 <br />206 <br />420 <br />0.111 <br />0.225 <br />0.459 <br />0.935 <br />0.48 <br />51.8 <br />106 <br />215 <br />438 <br />0.116 <br />0.235 <br />0.478 <br />0.975 <br />0.49 <br />54.0 <br />110 <br />224 <br />456 <br />0.120 <br />0.245 <br />0.499 <br />1.02 <br />0.50 <br />56.3 <br />115 <br />233 <br />475 <br />0.125 <br />0.255 <br />0.519 <br />1.06 <br />0.51 <br />58.5 <br />119 <br />242 <br />494 <br />0.130 <br />0.265 <br />0.540 <br />1.10 <br />0.52 <br />60.8 <br />124 <br />252 <br />514 <br />0.136 <br />0.276 <br />0.562 <br />1.14 <br />0.53 <br />63.2 <br />129 <br />262 <br />534 <br />0.141 <br />0.287 <br />0.583 <br />1.19 <br />0.54 <br />65.6 <br />134 <br />272 <br />554 <br />0.146 <br />0.298 <br />0.606 <br />1.23 <br />0.55 <br />68.1 <br />139 <br />282 <br />575 <br />0.152 <br />0.309 <br />0.628 <br />1.28 <br />0.56 <br />70.6 <br />144 <br />292 <br />596 <br />0.157 <br />0.320 <br />0.651 <br />1.33 <br />0.57 <br />73.1 <br />149 <br />303 <br />617 <br />0.163 <br />0.332 <br />0.675 <br />1.38 <br />0.58 <br />75.7 <br />154 <br />314 <br />639 <br />0.169 <br />0.343 <br />0.699 <br />1.42 <br />0.59 <br />78.3 <br />159 <br />324 <br />661 <br />0.175 <br />0.355 <br />0.723 <br />1.47 <br />0.60 <br />81.0 <br />165 <br />336 <br />684 <br />0.180 <br />0.367 <br />0.748 <br />1.52 <br />0.61 <br />83.7 <br />170 <br />347 <br />707 <br />0.187 <br />0.380 <br />0.773 <br />1.58 <br />0.62 <br />86.5 <br />176 <br />358 <br />730 <br />0.193 <br />0.392 <br />0.798 <br />1.63 <br />0.63 <br />89.3 <br />182 <br />370 <br />754 <br />0.199 <br />0.405 <br />0.824 <br />1.68 <br />0.64 <br />92.2 <br />188 <br />382 <br />778 <br />0.205 <br />0.418 <br />0.851 <br />1.73 <br />(continued) <br />4153A.140129 Whetstone Associates <br />