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<br />. <br /> <br />. <br /> <br />. <br /> <br />* RANKING OF THE 75 LARGEST 602(A) REQUIRED STORAGE VALUES * <br /> <br />c,;, <br />= <br />"") <br />G() <br /><:Jl <br />CO <br /> <br />------------------------------------------------------------------------------------------------------------------------------------ <br /> <br />CASE 2: PROJECTED DEPLETIONS, NO SHORTAGES, SEDIMENT LOAD, NO BANK STORAGE. POWER POOL NOT CONSIDERED <br /> <br />------------------------------------------------------------------------------------------------------------------------------------ <br /> <br />INFLOW: THE AVERAGE NATURAL RUNOFF AT LEES FERRY, FOR THE SPECIFIC PERIOO (SEE TABLE) <br />DEPLETIONS: EITHER 5.8 MAF OR THE USSR PROJECTED DEPLETIONS AVERAGED FROM 1985 TO THE END OF THE SPECIFIC PERIOO (SEE TABLE) <br />ALLOWABLE OEPLETION SHORTAGE = .00 PERCENT MINIMUM ANNUAL RELEASE FROM LAKE POWELL = 8.23 MAF <br />INITIAL SEOIMENT ACCUMULATION (1985) = 1,342 MAF 8ANK STORAGE COEFFICIENT = .00 <br />ANNUAL SEOIMENT LOAO = 61000,0 ACRE-FEET A MINIMUM POWER POOL OF ,000 MAF IS MAINTAINEO IN THE UPPER BASIN RESERVOIRS <br /> <br />REQUIREO STORAGE = (AVERAGE OEPLETION - AVERAGE INFLOW + MINIMUM RELEASE + ANNUAL SEOIMENT LOAO) X LENGTH OF PERIOO <br />+ INITIAL SEOIMENT ACCUMULATION + VOLUME NEEOEO TO MAINTAIN MINIMUM POWER POOL <br />REQUIREO STORAGE IS COMPUTEO FOR ALL HISTORICAL SEOUENTIAL RUNOFF PERIOOS OF ALL LENGTHS (1906-1983 HYOROLOGIC RECORO) . <br /> LENGTH OF AVERAGE AVERAGE REQUIRED PROBABILITY <br /> PERIOO BEGINNING INFLOW DEPLETION STORAGE (PLOTTING <br /> RANKING (YEARS) OF PERIOD (MAF) (MAF) (MAF) POSITION) <br /> -- -- --- --------- --------- ----- -- --------- -------- ----------- <br /> 1 2 1976 7.86 4.02 10.24 99_97 <br /> 2 4 1953 10.22 4.04 9.78 99.94 <br /> 3 3 1953 9.79 4.03 8.94 99.90 <br /> 4 3 1954 9.89 4.03 8.64 99.87 <br /> 5 1 1977 5.02 4.02 8.63 99.84 <br /> 6 3 1976 10_ 12 4.03 7.93 99.81 <br /> 7 3 1959 10.15 4.03 7.85 99.77 <br /> 8 2 1954 9.0B 4,02 7.81 99.74 <br /> 9 6 1959 11.38 4,13 7_58 99.71 <br /> 10 3 1933 10_35 4.03 7,27 99.68 <br /> 11 2 1933 9.38 4.02 7.21 99.64 <br /> 12 2 1934 9,45 4.02 7.06 99.61 <br /> 13 1 1934 6.63 4,02 7.02 99.58 <br /> 14 12 1953 12,18 4.36 6.95 99.55 <br /> 15 3 1975 10.62 4.03 6.45 99.51 <br /> 16 2 1953 9.79 4.02 6.40 99.48 . <br /> 17 2 1977 9,83 4.02 6_31 99.45 <br /> 18 1 1981 7.41 4.02 6.24 99,42 <br /> 19 9 1953 12.04 4.28 6_0S 99.38 <br /> 20 2 1963 10.03 4.02 5.91 99.35 <br /> 21 5 1931 11.44 4.04 5.80 99.32 <br /> 22 4 1931 11. 23 4.04 5,72 99.29 <br /> 23 5 1959 11. 50 4,04 5.53 99.25 <br /> 24 4 1974 11.29 4.04 5.50 99,22 <br /> 25 1 1954 8.37 4.02 5,2B 99.19 <br /> 26 11 1954 12.27 4,34 5.25 99.16 <br /> 27 4 1933 11.38 4,04 5.13 99.12 <br /> 28 1 1931 8,63 4.02 5.02 99.09 <br /> 29 3 1934 11.13 4.03 4.91 99.06 <br /> 30 2 1939 10.55 4.02 4.87 99.03 <br /> 31 11 1953 12.31 4.34 4.84 98.99 <br /> 32 2 1959 10,60 4.02 4.76 98.96 <br /> 33 2 1960 10.61 4,02 4,75 98.93 <br /> 34 2 1955 10.65 4.02 4.67 98.90 <br /> 35 1 1959 9.23 4.02 4,42 98.86 <br /> 36 8 1954 12.15 4.24 4.41 98.83 <br /> 37 1 1961 9.25 4,02 4.40 98.80 <br /> 38 1 1963 9.26 4.02 4.39 98_77 <br /> 39 1 1940 9.38 4.02 4_27 98.73 <br /> 40 6 1931 11.95 4.13 4.17 98.70 <br />