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perhitungan koefisien pengaliran/run off (c) No Tata Guna Lahan c Prosentase 1 2 3 4 7 1 Desa 0.80 41.50 45.011 2 Hutan 0.80 0.000 3 Semak 0.65 0.000 4 Sawah Tadah Hujan 0.75 0.000 5 Sawah Teknis 0.70 26.50 28.742 6 Tegalan/ladang 0.70 12.40 13.449 7 Kebun/ perkebunan 0.70 11.80 12.798 Jumlah 92.20 uji validitas frekuensi curah hujan No Tahun (x-xbar) 1 2001 13 -25.31 640.50 2 2002 14 -23.65 559.51 3 2003 21 -17.20 295.85 4 2004 46 7.75 60.12 5 2005 31 -6.60 43.55 6 2006 37 -1.58 2.50 7 2007 119 80.95 6552.37 8 2008 6 -32.06 1028.13 9 2009 38 0.13 0.02 10 2010 33 -5.37 28.86 11 2011 68 29.85 891.22 12 2012 31 -6.90 47.61 457 10150.22 parameter statistik rata-rata X 38.09 standar deviasi Sd 30.38 coef variety Cv 0.8 coef skewness Cs 1.9 coef kurtosis Ck 4.41 No Tahun (x-xbar) 1 2001 2.548 -0.83 0.68 2 2002 2.669 -0.70 0.50 3 2003 3.039 -0.34 0.11 4 2004 3.825 0.45 0.20 5 2005 3.450 0.08 0.01 6 2006 3.597 0.22 0.05 7 2007 4.779 1.40 1.97 8 2008 1.795 -1.58 2.49 9 2009 3.643 0.27 0.07 10 2010 3.488 0.11 0.01 Luas (km 2 ) R24 Max (x-xbar) 2 R24 Max (x-xbar) 2

Perhitungan Data Hujan

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SIDperhitungan koefisien pengaliran/run off (c)NoTata Guna LahancLuas (km2)ProsentaseC Rata-rata (%)NoJenis DistribusiSyaratHasil Perhitungan1234781NormalCs = 0 Ck = 3Cs = 1,90 Ck = 4,411Desa0.8041.5045.01136.0092Log NormalCs (In x) = 0 Ck (In x) = 3Cs = -0,31 Ck= 0,642Hutan0.800.0000.0003Pearson type IIICs > 0 Ck = 1,5 Cs2 + 3 =3,14Cs = -0,31 Ck = 4,413Semak0.650.0000.0004Log Pearson type IIICs (In x) = 0 Ck (In x) = 1,5 (Cs (In x)2) + 3 = 3,14Cs = -0,31 Ck = 0,644Sawah Tadah Hujan0.750.0000.0005GumbellCs = 1,14 Ck = 5,4Cs = 1,90 Ck = 4,415Sawah Teknis0.7026.5028.74220.1196Tegalan/ladang0.7012.4013.4499.4147Kebun/ perkebunan0.7011.8012.7988.959Jumlah92.2074.60uji validitas frekuensi curah hujanNoTahunR24 Max(x-xbar)(x-xbar)2(x-xbar)3(x-xbar)41200113-25.31640.50-16209.79410233.752200214-23.65559.51-13234.72313054.333200321-17.20295.85-5088.8287529.8242004467.7560.12466.113613.955200531-6.6043.55-287.351896.236200637-1.582.50-3.956.257200711980.956552.37530392.2342933490.67820086-32.061028.13-32966.601057058.1692009380.130.020.000.0010201033-5.3728.86-155.00832.631120116829.85891.2226605.79794270.2812201231-6.9047.61-328.482266.4745710150.22489189.445604257.55

parameter statistikrata-rataX38.09standar deviasiSd30.38coef varietyCv0.8coef skewnessCs1.9coef kurtosisCk4.41NoTahunR24 Max(x-xbar)(x-xbar)2(x-xbar)3(x-xbar)4120012.548-0.830.68-0.560.47220022.669-0.700.50-0.350.25320033.039-0.340.11-0.040.01420043.8250.450.200.090.04520053.4500.080.010.000.00620063.5970.220.050.010.00720074.7791.401.972.773.90820081.795-1.582.49-3.946.22920093.6430.270.070.020.011020103.4880.110.010.000.001120114.2190.840.710.600.511220123.4400.070.000.000.00406.82-1.3911.40

parameter statistikrata-rataX3.37standar deviasiSd0.79coef varietyCv0.23coef skewnessCs-0.31coef kurtosisCk0.64Analisis frekuensi metode Log Pearson type IIITahunR24 Maxln xln X-ln Xi(ln X-ln Xi)2(ln X-ln Xi)32001132.55-0.830.68-0.562002142.67-0.700.50-0.352003213.04-0.340.11-0.042004463.830.450.200.092005313.450.080.010.002006373.600.220.050.0120071194.781.401.972.77200361.80-1.582.49-3.942009333.640.270.070.022010333.490.110.010.002011684.220.840.710.602012313.440.070.000.00Jumlah457.0440.490.00682.00-1.390.79-0.0259441295TGGSIn Xi+ G.SRt20.0960.0753.4531.48550.8570.6754.04957.321101.2030.9474.32275.293251.5361.2094.53497.829501,7311.3634,738114.11411.89514924,866129.799

Rata rataXi38.09ln,Xi3.37standar deviasiSd0.79coev skewnessCs-0.311T1234560.5500.1400.1000.0800.0700.060217.3174.4083.1482.5192.2041.889531.5278.0255.7324.5864.0123.4391041.41110.5417.5296.0235.2704.5182553.80613.6969.7837.8266.8485.8705062.76315.97611.4119.1297.9886.847`10071.38918.17212.98010.3849.0867.788

koef run off 0,780T123456Jml213.5073.4382.4561.9651.7191.47324.558524.5916.2594.4713.5773.1302.68344.7101032.3018.2225.8734.6984.1113.52458.7282541.96910.6837.6316.1055.3414.57876.3075048.95512.4618.9017.1216.2315.34189.00910055.68414.17410.1248.0997.0876.075101.243Rt

Sheet3T123456TRt0.5500.1400.1000.0800.0700.060231.485217.3174.4083.1482.5192.2041.889557.321531.5278.0255.7324.5864.0123.4391075.2931041.41110.5417.5296.0235.2704.5182597.8292553.80613.6969.7837.8266.8485.87050114.1145062.76315.97611.4119.1297.9886.847100129.79910071.38918.17212.98010.3849.0867.788

Sheet2PTr182008661.538212001137.6923220021415.3854320032123.0775520053138.46261220123192.30871020103376.9238620063746.1549920093869.23110420044630.769111120116884.615127200711953.846

Sheet1unit hidroraf satuantabel hasil perhitungan hidrograf berbagai periode ulanghidrograf satuan nakayasurekap perhitungan hidrograf banir metode nakayasumetode Snyder Alexeyevlokasikecamatan ngadirojo wonogiritTpT031,5 T03q (m3/d)tKala Ulangt (jam)XYQt (m3/dt/mm)t2 thn5 thn10 thn20 thn25 thn50 thn00.0000.000025102050100000010.581.051.381.792.092.3710.3840.3835000000010.1040.0130.04328.1214.7919.4225.2329.4333.483.1015.8015.800715.189.43112.38816.09618.77521.35620.2070.1850.59320.5637.4349.1663.8874.5184.7636.0330.0000279.668145.043190.517247.543288.751328.43830.3110.4281.364433.4360.8679.95103.83121.17137.8244.0924.0921320.83538.02449.94564.89575.69786.10240.4150.6312.014545.182.11107.85140.14163.46185.9352.7752.7755470.271127.934168.044218.343254.69289.69650.5190.782.487655.13100.46131.95171.45199.99227.4361.8831.8825563.614115.814152.124197.658230.562262.25160.6220.882.808763.61115.81152.12197.65230.55262.2471.3471.3471655.556101.144132.856172.622201.358229.03470.7260.9443.012869.87127.2167.08217.09253.22288.0381.0401.0399748.0787.516114.955149.363174.227198.17480.830.9813.129973.89134.52176.69229.58267.8304.690.8030.8028835.78865.15585.583111.2129.711147.53990.9330.9973.1821076.09138.52181.95236.42275.77313.67100.6200.6197932.22653.6777.065100.132116.801132.854101.0370.9993.1881176.91140.02183.92238.96278.74317.06110.4780.47841023.65743.06956.57273.50685.74297.527111.1410.993.1591276.71139.65183.44238.34278.02316.23120.7350.73521117.69732.21842.31954.98664.1472.955121.2450.9743.1061375.76137.93181.17235.4274.59312.33130.6050.60551218.44733.58444.11457.31866.85976.049131.3480.9513.0341474.27135.22177.62230.78269.2306.2140.4990.49871316.01129.14938.28849.74858.0366.006141.4520.9252.951572.4131.81173.14224.96262.41298.47150.4110.41071413.81125.14433.02742.91350.05656.936151.5560.8952.8561670.25127.9168.01218.29254.63289.63160.3380.33821511.92921.71728.52637.06443.23449.176161.6590.8642.7571767.93123.66162.44211.06246.19280.03170.2790.27851610.36318.86724.78332.20137.56142.724171.7630.8322.6541865.48119.21156.59203.46237.33269.95180.2290.2294179.03816.45421.61328.08232.75637.259181.8670.7992.5491962.97114.64150.58195.65228.22259.59190.1890.1889187.44313.55117.79923.12726.97730.685191.9710.7662.4442060.43110.02144.51187.77219.02249.13200.1560.1556196.1311.1614.65919.04722.21725.271202.0740.7332.342157.39105.4138.45179.89209.83238.67210.1280.1281205.0489.19112.07315.68618.29720.812212.1780.7012.2372255.33100.83132.44172.08200.73228.32220.1060.1055214.1587.5699.94312.91915.06917.14222.2820.672.1362352.9196.33126.54164.41191.73218.14230.0870.0869223.4246.2348.18810.63912.4114.116232.3850.6392.0382450.591.94120.77156.91183.04203.19240.0720.0716232.825.1346.7448.76210.22111.626242.4890.6091.942242.3224.2285.5547.2168.4189.574maks76.91140.02183.92238.96278.74317.06242.3224.2285.5547.2168.4189.574