Feasibility of Fish Passage at Alameda Creek Diversion Dam
Feasibility of Fish Passage at Alameda Creek Diversion Dam
Feasibility of Fish Passage at Alameda Creek Diversion Dam
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Appendix BArroyo Hondo – <strong>Alameda</strong> <strong>Creek</strong> Flow Model DevelopmentTable B-2Number <strong>of</strong> Estim<strong>at</strong>ed Parameters (k), Akaike’s Inform<strong>at</strong>ion Criteria (AIC),AIC Differences (ΔAIC i ), Model Likelihoods (Λ i ), and the Rel<strong>at</strong>ive ModelProbabilities or Akaike’s Weights (w i ) for Models 1 through 20.Model # k AIC ΔAIC i Λ i w i1 3 24,480.9 934.4 1.2727E-203 0.0002 4 23,594.9 48.4 3.09021E-11 0.0003 3 23,637.8 91.3 1.51974E-20 0.0004 4 23,592.8 46.3 8.89275E-11 0.0005 5 23,577.7 31.2 1.69582E-07 0.0006 6 23,576.5 30.0 3.08977E-07 0.0007 7 23,553.9 7.4 0.024393928 0.0248 4 23,600.9 54.4 1.52383E-12 0.0009 4 23,610.6 64.1 1.20723E-14 0.00010 4 23,603.2 56.7 4.78382E-13 0.00011 5 25,370.2 1,823.7 0 0.00012 4 25,366.4 1,819.9 0 0.00013 4 23,602.8 56.3 5.90299E-13 0.00014 5 23,604.9 58.4 2.04703E-13 0.00015 3 23,854.9 308.4 1.09276E-67 0.00016 4 23,604.0 57.5 3.22527E-13 0.00017 3 23,601.4 54.9 1.18256E-12 0.00018 7 23,559.5 13.0 0.00149855 0.00119 4 24,555.2 1,008.7 9.2001E-220 0.00020 6 23,546.5 0 1 0.975The equ<strong>at</strong>ion from model 20 depicted in the graph in Figure B-1 was used to produce a synthetic hydrologyfor upper <strong>Alameda</strong> <strong>Creek</strong> for the 1969-through-1981 and 1995-through-2004 time periods. Figures B-5through B-14 give a graphical depiction and comparison <strong>of</strong> daily means for flows observed in <strong>Alameda</strong> <strong>Creek</strong>compared to the model-predicted flows for <strong>Alameda</strong> <strong>Creek</strong> during w<strong>at</strong>er years from 1995 through 2004.ACDD <strong>Passage</strong> June 2009 Page B-7
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