YielstraLampiran 4 -1.TABEL ZYLSTRAKEBUTUHAN PENJENUHAN PENDAHULUAN (AIR IRIGASI)SELAMA PENYIAPAN LAHAN UNTUK PADIJumlah Penjenuhan 200 mmTPenguapan dan Perembesan (Eo + P) mm/harin haritabel penjenuhantabel penjenuhantabel penjenuhantabel penjenuhanHari3.53.63.73.83.94.04.14.24.34.44.54.64.74.84.95.05.15.25.35.45.55.65.75.85.9200 mm225 mm250 mm275 mm308.68.68.78.88.88.98.99.09.19.19.29.29.39.49.49.59.69.69.79.79.89.99.910.010.0koef akoef bkoef akoef bkoef akoef bkoef akoef b357.67.77.87.87.97.98.08.18.18.28.38.38.48.48.58.68.69.78.88.88.99.09.09.19.2300.636366.372740.618187.236370.618188.036370.68.9407.07.07.07.17.27.37.37.47.57.57.67.67.77.87.37.98.08.08.18.28.18.38.38.48.5350.672725.245480.654546.009110.636366.772740.618187.53637456.46.56.66.66.76.76.56.96.97.07.17.17.27.37.37.47.47.57.67.77.97.37.98.08.0400.672726.645480.672725.145480.654545.809110.654546.40911506.06.16.16.26.36.36.46.56.56.56.76.76.86.96.97.07.17.17.27.57.57.47.57.67.7450.709093.918180.69094.481850.69094.891850.654545.70911555.75.75.85.55.96.06.16.06.26.36.36.46.56.66.66.76.86.96.97.07.17.17.27.57.4500.727273.454550.727273.854550.69094.481850.672725.04548605.45.55.55.65.75.75.85.95.96.06.16.16.26.36.46.46.56.66.76.76.96.97.07.07.1550.745453.090920.745453.390920.709094.018180.69094.48185600.763632.727290.745453.090920.727273.554550.709094.01818y=a*x+bTPenguapan dan Perembesan (Eo + P) mm/hariy= Kebutuhan air penjenuhan (mm/hari)Hari6.06.16.26.36.46.56.66.76.86.97.07.17.27.37.47.57.67.77.87.98.08.18.28.38.48.58.68.78.88.99.0X= Evaporasi Permukaan air dan Perkolasi (Eo + P), dalam mm/hari3010.110.210.210.210.410.410.510.610.610.710.810.810.910.911.011.111.111.211.311.311.411.511.511.611.711.711.811.912.012.012.1A = Konstanta X359.29.39.49.49.59.69.69.79.89.89.99.910.010.110.110.210.310.410.410.510.610.610.710.810.910.411.011.111.211.211.3b = Konstanta408.68.78.78.78.88.99.09.19.19.29.39.39.49.59.59.69.79.89.59.910.010.010.110.210.310.310.410.510.610.710.7458.18.28.28.29.48.58.58.68.78.88.88.98.99.09.19.29.29.39.49.59.59.69.79.89.89.910.010.110.210.210.3507.77.87.97.98.08.18.28.28.38.48.58.58.68.78.78.88.99.09.09.19.29.39.49.49.59.69.79.89.89.910.0557.47.57.67.67.77.87.98.08.18.18.28.28.28.48.58.58.68.78.78.98.99.09.19.29.39.49.49.59.69.79.8607.27.37.37.37.57.67.77.77.87.98.08.08.18.28.38.38.48.58.68.78.78.88.99.09.19.39.39.39.49.59.6Data : PSA - 010, Dirjen Pengairan, Bina Program (1985)(Tab padi)Catatan : Sheet perhitungan Kebutuhan PenjenuhanEo+P7.36.757.217.627.737.437.928.7010.128.276.017.23Pejenuhan11.110.410.610.810.810.610.912.113.211.79.411.0

Faktor Koreksi ET TanFaktor Koreksi ET TanamanCurah Hujan Mean12.525.037.550.062.575.087.5100.0112.5125.0137.5150.0162.5175.0187.5200.0Bulanan (mm)Curah Hujan Efektif Rata-rata Bulanan (mm)ET Tanaman2581624Rata-rata5081725323746Bulanan7591827344148566269(mm)100919283543525966738087941000012510203037465462707685929810711612001501021313949576674818997104112119127133175112332425261697886951031111181261341412001124334454647382911001091171251341421502251225354757687887961061151241321411501592501325385060728492102112121132140150158167Tampungan Efektif202538506375100125150175200Faktor Tampungan0.730.770.860.930.971.001.021.041.061.071.08Curah Hujan157.95208.14124.21106.928.400.000.000.000.0023.2763.37134.00ET. Crop Tanaman172.47138.95168.99176.35185.54170.41191.75217.21254.79203.07125.78169.49Interpolasi 1109.090.0088.5077.886.390.000.000.000.0022.2052.6394.76Interpolasi 2115.45136.9194.4382.437.060.000.000.000.0023.2054.70100.76Interpolasi 3114.8176.3898.9482.677.340.000.000.000.0023.3250.62105.44

tabel 5_2Tabel 5.2.TABEL Tai UNTUK SUHU UDARA ANTARA 20oC - 29oCf (Tai) x 10-2D L-1 x 10-2Pzwa ]sag + DTai0123456789o C8.378.388.408.418.428.438.448.468.478.48201.841.861.871.881.891.901.911.921.931.9417.5317.6417.7517.8617.9718.0818.2018.3118.4318.541.581.581.591.601.601.611.611.621.621.638.438.508.518.528.538.548.568.578.588.59211.961.971.981.992.002.012.022.042.052.0618.6518.7718.8819.0019.1119.2319.3519.4619.5819.701.641.651.661.661.661.671.681.681.691.708.608.618.628.638.648.658.678.688.698.71222.072.082.092.102.112.122.142.152.162.1719.8219.9420.0620.1920.3120.4320.5120.6920.8020.931.701.711.721.721.731.741.741.751.751.768.728.738.748.768.778.788.798.818.828.83232.182.192.212.222.232.242.262.272.282.2921.0921.1921.3221.4521.5021.7121.8421.9722.1022.231.771.781.781.781.801.801.811.821.821.838.848.858.868.888.898.908.918.938.948.95242.302.322.332.342.362.372.382.402.412.4222.3722.5022.6322.7622.9123.0523.1923.3123.4523.601.831.841.851.861.871.871.881.891.891.908.968.978.989.009.019.029.039.059.069.07252.432.452.462.472.492.502.512.522.542.5523.7523.9024.0324.2024.3524.4924.6424.7924.9425.081.911.921.921.931.941.951.951.961.971.9826.649.089.099.109.129.139.149.159.179.189.199.158262.562.572.592.602.622.632.642.662.672.692.64825.3122.4525.6025.7425.8926.0326.1826.3226.4626.6026.2361.981.992.002.012.012.022.032.042.042.052.0349.209.219.229.249.259.269.279.299.309.31272.702.712.732.742.762.782.792.812.822.8426.7426.9027.0527.2127.3727.5327.6927.8528.1028.162.062.072.082.082.092.092.102.112.122.139.329.339.359.369.379.399.409.419.439.44282.862.872.882.902.912.922.942.952.962.9828.3228.4928.6628.8329.0029.1729.3429.5129.6829.852.142.152.162.172.182.182.192.202.212.229.459.469.479.499.509.519.529.549.559.56292.993.013.023.043.053.073.083.103.113.1330.0330.2030.3830.5630.7430.9231.1031.2831.4631.642.232.242.252.252.262.702.282.292.302.31Data : PSA-010 Dirjen Pengairan, Bina Program (1985)JANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDES26.629.129.529.429.929.229.029.230.531.030.529.59.079.069.099.089.068.968.908.949.069.159.199.022.552.542.572.562.542.432.372.412.542.642.692.5025.0824.9422.4525.3124.9423.7523.0523.4524.9426.1826.6024.491.981.971.991.981.971.911.871.891.972.032.051.95

Tabel5_3Tabel 5.3.TABEL Tdp KELEMBABAN RELATIFf (Tdp)Pzwa (mmHg)Pzwa0123456789(mmHg)150.1950.1940.1940.1930.1920.1910.1900.1890.1880.18712.7812.8612.9513.0313.1113.2013.2813.3713.4513.54160.1860.1850.1840.1830.1820.1810.1800.1790.1780.17713.6313.7113.8013.9013.9914.0814.1714.2614.3514.44170.1760.1750.1750.1740.1730.1720.1710.1700.1690.16814.5314.6214.7114.8014.9014.9915.0915.1715.2715.38180.1670.1660.1650.1640.1630.1620.1610.1600.1590.15815.4615.5615.6615.7615.8615.9616.0616.1616.2616.36190.1570.1560.1560.1550.1540.1530.1520.1510.1500.14916.4616.5716.6816.7916.9017.0017.1017.2117.3217.43200.1480.1470.1460.1450.1440.1430.1420.1410.1400.13917.5317.6417.7517.8617.9718.0818.2018.3118.4318.54210.1370.1360.1350.1340.1330.1320.1310.1300.1290.12818.6518.7718.8819.0019.1119.2319.3519.4619.5819.70220.1270.1260.1250.1240.1230.1220.1210.1200.1190.11722.37219.8219.9420.0620.1920.3120.4320.5820.6920.8020.93230.1160.1150.1140.1130.1120.1110.1100.1090.1080.10721.0521.1921.3221.4521.5821.7121.8421.9722.1022.23240.1060.1050.1040.1030.1020.1010.1000.0990.0970.09622.3722.5022.6322.7622.9123.0523.1923.3123.4523.60Data : PSA-010 Dirjen Pengairan, Bina Program (1985)januaridesembermmHg22.423.620.722.421.419.518.418.118.820.822.922.2f (tdp)0.1570.1600.1820.1630.1680.1790.1880.1940.1830.1790.1710.172

Tabel5_4sd5_6Tabel 5.4.FUNGSI KECEPATAN ANGINg x f (m2) = 0,49 x 0,35 (0,5 + 0,54 m2)m20123456789(m/dt)00.0860.0950.1040.1130.1230.1320.1410.1510.1600.1692.50210.1780.1870.1970.2060.2150.2250.2340.2440.2530.26220.2710.2800.2900.2990.3080.3180.3270.3370.3460.35530.3640.3730.3820.3920.4010.4100.4200.4290.4380.44740.4560.4650.4750.4840.4930.5030.5120.5220.5310.54050.5490.5580.5680.5770.5860.5960.6050.6140.6240.632baris 32.52.12.32.22.22.22.73.33.93.53.32.70.1870.1780.1780.1690.1690.1690.1970.2060.2060.1870.1780.169Tabel 5.5.aaH sh x 10-2LSJANPEBMARAPRMEIJUNIJULIAGTSEPTOKTNOPDESLatitude58.979.088.918.427.817.457.568.088.648.958.948.8969.049.128.918.377.727.357.478.018.628.979.018.9779.129.168.908.327.647.257.377.958.598.999.089.0689.199.208.908.277.557.157.287.888.579.019.149.1499.279.248.908.227.477.057.187.818.549.039.219.237.529.169.188.908.307.607.207.337.928.589.009.119.10Tabel 5-5Interpolasi linier untuk alpha dengan LS 7,527.99.189.208.908.287.567.167.297.898.579.019.139.139Tabel 5.6.TABEL FUNGSI (r)ash x f (r) = 0,75 [ 0,29 cos Wo S + 0,52 r x 10-2]DerajadrLS0102030405060708090100300.1880.2270.2660.3050.3440.3830.4220.4610.5000.5390.578200.2040.2430.2820.3210.3600.3990.4380.4770.5160.5550.594100.2140.2530.2920.3310.3700.4090.4490.4870.5260.5650.6047.520.2150.2540.2930.3320.3710.4100.4500.4880.5270.5660.60550.2160.2550.2940.3330.3720.4110.4500.4890.5280.5670.60600.2180.2570.2960.3350.3740.4130.4520.4910.5300.5690.608Data : PSA-010 Dirjen Pengairan, Bina Program (1985)Tabel 5-6 Interpolasi linier untuk r dengan LS 7,52jandes7.520.2150.2540.2930.3320.3710.4100.4500.4880.5270.5660.6050102030405060708090100Data Qi28.7736.4847.2162.0873.2875.9282.2583.5485.9566.8464.1643.88ash x f ( r )0.310.36

hujanPERHITUNGAN CURAH HUJAN BULANAN RATA-RATATAHUNB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDES19945315173333431201400000351150199546732850601370990002250208199642803150181010035017402551997545046702130002904278403199842019141045747512444850118279291161199962130943534019512908622153681992222000427257216253016553012462172177452001557409610406241072550672041098920021972512282499911778400023631620037162113622651836230042881962802004467250233200536135304861400362200556025416829717102729410101691462922006557393233155360305270802012829920072324.0203205128152230292202934410006314545420081559.0198076923247151413801566047000020093401.2314743593421002652101340000253161322010364440398181356817058785891153242011142175578942286000002105142012285257220285302107590168222251832632013430388245213285000.0038168152x270.65329.05237.00200.9575.2046.2026.2527.0522.95113.15161.90246.05SD133.84143.60133.95111.6779.3462.9937.0148.1435.34106.75117.02133.08R80% bulanan157.95208.14124.21106.928.400.000.000.000.0023.2763.37134.00R80% harian5.107.434.013.560.270.000.000.000.000.752.114.32Catatan :x=Curah Hujan Bulanan Rata - Rata ( mm )SD=Standar Deviasi =; n = Jumlah DataR80% bulanan=Curah Hujan Efektif 20 % Kering Bulanan ( mm )_=x + K . SD ;K = - 0,842R80% harian=Curah Hujan Efektif 20 % Kering Harian ( mm )=R5 bulanan / m ;m = Jumlah Hari Dalam Satu Bulan

Data_KliData Klimatologi:Tipe cDATA LAMA PENYINARAN MATAHARI STANDAR 8 JAM ( % )STASIUN : ADI SOEMARMO SURAKARTAKOORDINAT : 070 52' 000" LS dan 110 55' 000" BTELEVASI : + 104 m MSLNOTAHUNJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESJUMLAHRATA 21200463.848.458.791.390.297.992.4107.8108.9107.882.558.31007.9584.002200573.767.169.374.890.272.693.5-101.274.882.524.2823.9074.903200640.740.933.066.079.297.9104.5104.5110.092.4100.168.2937.4478.124200780.361.633.057.289.178.1102.3105.6----607.2075.9052008------------0.000.006200939.646.255.972.690.195.298.0101.6107.473.261.732.9874.5272.887201042.738.454.669.988.084.1104.092.4101.866.654.866.0863.3071.948201148.314.256.878.296.595.193.2100.2105.556.7--744.6474.469201259.322.666.575.391.5107.8108.995.8101.491.890.957.5969.3180.78102013-38.773.285.984.8100.9105.5107.1103.481.868.052.8902.1582.01JUMLAH448.40378.11500.98671.26799.49829.67902.21815.03839.56645.10540.61359.997730.41694.99RATA256.0542.0155.6674.5888.8392.19100.25101.88104.9480.6477.2351.43773.0469.50Keterangan :fn : data-kli.xlsSumber data : Badan Meteorologi dan Geofisika Wilayah IIStasiun Klimatologi Klas I SemarangDATA KECEPATAN ANGIN ( m / dt )STASIUN : ADI SOEMARMO SURAKARTAKOORDINAT : 070 52' 000" LS dan 110 55' 000" BTELEVASI : + 104 m MSLNOTAHUNJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESJUMLAHRATA 2120042.22.22.81.72.83.33.94.44.45.03.94.440.703.3922005-2.82.23.31.72.22.82.83.33.33.32.229.702.70320061.72.82.22.22.22.82.22.23.93.93.91.731.352.61420072.82.83.31.11.71.71.73.95.04.43.91.133.002.75520081.71.12.22.82.82.82.82.83.92.82.22.830.252.52620091.51.72.22.41.80.82.63.13.12.32.31.124.962.08720103.11.91.62.42.42.32.33.13.93.52.23.432.042.67820111.71.52.02.11.81.91.73.63.92.04.34.831.252.60920124.11.92.31.42.43.83.43.23.63.33.22.535.092.921020132.32.31.92.42.61.13.84.24.34.33.62.635.342.95JUMLAH21.0820.8222.6921.6321.9822.4827.0033.1239.0734.6032.6026.61323.6927.20RATA22.342.082.272.162.202.252.703.313.913.463.262.6632.372.72Keterangan :fn : data-kli.xlsData mulai tahun 1993 sampai dengan 2002 tidak tercatat.Sumber data : Badan Meteorologi dan Geofisika Wilayah IIStasiun Klimatologi Klas I SemarangDATA SUHU UDARA ( 0 Celcius )STASIUN : ADI SOEMARMO SURAKARTAKOORDINAT : 070 52' 000" LS dan 110 55' 000" BTELEVASI : + 104 m MSLNOTAHUNJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESJUMLAHRATA-RATA1200428.828.828.830.630.427.929.028.830.631.431.029.6355.7429.652200529.729.730.425.430.630.629.530.130.831.130.729.5357.9629.833200629.229.428.729.729.628.728.728.729.831.831.930.9357.0629.764200730.429.429.530.130.429.429.229.229.931.928.928.9357.0629.765200827.528.429.027.928.928.728.829.431.130.429.928.8348.9229.086200928.728.629.229.629.529.228.629.230.030.430.329.1352.6429.397201028.528.328.929.628.928.828.928.730.929.029.628.7348.8529.078201129.629.129.630.530.329.429.229.231.230.530.429.6358.5329.889201230.029.530.330.030.629.729.529.030.231.931.230.3362.2930.1910201329.329.430.330.930.029.529.129.430.731.130.729.7360.0430.00JUMLAH291.65290.61294.76294.24299.21291.94290.39291.56305.27309.51304.73295.233559.10296.59RATA 229.1729.0629.4829.4229.9229.1929.0429.1630.5330.9530.4729.52355.9129.66Keterangan :fn : data-kli.xlsData tahun 1988 dan 1991 tidak tercatat.Sumber data : Badan Meteorologi dan Geofisika Wilayah IIStasiun Klimatologi Klas I SemarangDATA KELEMBABAN UDARA RELATIF ( % )STASIUN : ADI SOEMARMO SURAKARTAKOORDINAT : 070 52' 000" LS dan 110 55' 000" BTELEVASI : + 104 m MSLNOTAHUNJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESJUMLAHRATA-RATA1200494.693.592.485.884.782.579.273.774.874.885.891.31013.1084.4322005-91.391.389.185.885.882.575.975.981.481.494.6935.0077.923200694.695.791.391.389.171.577.077.070.467.175.988.0988.9082.414200781.495.791.391.385.881.478.173.772.674.883.691.31001.0083.425200890.293.592.486.980.377.073.771.570.482.589.188.0995.5082.966200993.692.990.086.282.778.476.471.869.781.288.190.61001.6383.477201091.893.792.987.184.381.277.273.676.081.689.484.71013.6984.478201193.592.492.689.286.289.989.087.484.990.591.493.41080.4890.049201296.198.994.293.390.686.885.484.384.883.688.694.41080.9590.0810201394.997.295.786.388.185.380.780.974.177.985.790.81037.6786.47JUMLAH830.66944.74924.18886.53857.68819.83799.27769.82753.57795.51859.10907.0410147.93845.66RATA292.3094.4792.4288.6585.7781.9879.9376.9875.3679.5585.9190.701014.7984.57Keterangan :fn : data-kli.xlsData tahun 1988, 1997 dan 1998 tidak tercatat.Sumber data : Badan Meteorologi dan Geofisika Wilayah IIStasiun Klimatologi Klas I Semarang

Penman Versi KP IrigasiPERHITUNGAN EVAPOTRANSPIRASI POTENSIAL (Eto)DENGAN METODE PENMAN DARI NEDECO/PROSIDADAERAH IRIGASI :Type ADASAR PERHITUNGANSATUANJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDES1. Suhu udaraC26.6429.0629.4829.4229.9229.1929.0429.1630.5330.9530.4729.522. Kelembaban udara relatif%85.0094.4792.4288.6585.7781.9879.9376.9875.3679.5585.9190.703. Kecepatan angin (V2)m / dt2.502.082.272.162.202.252.703.313.913.463.262.664. Penyinaran matahari standar 8 jam = Q1%32.2042.0155.6674.5888.8392.19100.25101.88104.9480.6477.2351.435. Lintang (tergantung dari lokasi sawah)7.527.527.527.527.527.527.527.527.527.527.527.526. Albedo0.250.250.250.250.250.250.250.250.250.250.250.257. Q1 transfer ke standar 12 jam (0.786 x Q1) + 3.46%28.7736.4847.2162.0873.2875.9282.2583.5485.9566.8464.1643.88PERHITUNGAN (PROSIDA/PENMAN)8. Tabel 5.2f ( Tai ) x 10-29.179.069.099.089.068.968.908.949.069.159.199.029. Tabel 5.2DL-1 X 1022.662.542.572.562.542.432.372.412.542.642.692.5010. Tabel 5.2Pzwa ] samm Hg26.3224.9422.4525.3124.9423.7523.0523.4524.9426.1826.6024.4911. Tabel 5.2g + D2.041.971.991.981.971.911.871.891.972.032.051.9512. = (2) * (10 )Pzwamm Hg22.3723.5620.7522.4421.3919.4718.4218.0518.7920.8322.8522.2113. Tabel 5.3 dan (12)f ( Tdp )0.1230.1600.1820.1630.1680.1790.1880.1940.1830.1790.1710.17214. = (10) - (12)Pzwa ] sa - Pzwamm Hg3.951.381.702.873.554.284.635.406.155.353.752.2815. Tabel 5.4 dan (3)g x f ( m2 )0.3180.1780.1780.1690.1690.1690.1970.2060.2060.1870.1780.16916. = (14) * (15)g x Eq1.260.250.300.490.600.720.911.111.271.000.670.3817. Tabel 5.5 dan (5)a aH sh x 10-29.169.208.908.287.567.167.297.898.579.019.139.1318. Tabel 5.6 dan (7)ash x f ( r )0.3130.3570.3950.4410.4690.4770.5220.4930.5040.3810.4200.39119. = (17) * (18)Hshne2.863.293.513.653.553.413.813.894.323.433.843.5720. = 8 * (1-(7))m = 8 x ( 1 - r )5.705.084.223.032.141.931.421.321.122.652.874.4921. = 1 -((20) : 10 )f ( m ) = 1 - m/100.430.490.580.700.790.810.860.870.890.730.710.5522. = (8) * (13) * (21)Hlone0.490.710.961.031.201.291.441.511.471.201.120.8523. = (19) - (22)Hshne - Hlone2.382.572.562.622.352.122.372.382.852.232.722.7224. = (9) * (23)Hrane6.326.536.576.705.975.155.625.747.235.887.306.7925. = (16) + (24)g x Eq + Hrane7.586.786.887.196.575.876.536.858.496.897.977.1826. = (25) : (11)Etomm/hari3.713.443.463.633.343.073.493.634.313.393.893.68mm/bulan115.11396.362107.133108.928103.40192.176108.220112.380129.346105.146116.665114.095Catatan : data-data untuk tabel diambil dari buku PSA-10 : Crop Water Requirement, Bina Program 198531.00028.00031.00030.00031.00030.00031.00031.00030.00031.00030.00031.000

Penman Versi FAOTabel D.2. Evapotranspirasi potensial.NoKeteranganNotasiSatuanJanFebMarAprMeiJunJulAgtSepOktNopDes1Temperatur UdaratoC29.1729.0629.4829.4229.9229.1929.0429.1630.5330.9530.4729.522Kelembaban Relatifh%92.3094.4792.4288.6585.7781.9879.9376.9875.3679.5585.9190.703Kecepatan Angin (U2)U2m/dt2.342.082.272.162.202.252.703.313.913.463.262.664Rasio Keawanann/N%56.0542.0155.6674.5888.8392.19100.25101.88104.9480.6477.2351.435Albedo / Koefisien Pemantulanr0.250.250.250.250.250.250.250.250.250.250.250.256Radiasi AngotRAcal/cm2/hr940.2960918.1858.6784.45744.1761818.25884.3927.25934.85933.657Tekanan Uap JenuheammHg30.3330.1430.8830.7931.6830.3830.1030.3132.8133.6132.7130.978Tekanan Uap Jenuh Air di UdaraedmmHg27.9928.4728.5427.3027.1724.9024.0623.3324.7326.7428.1028.099Tangen Lengkung Tekanan Uap JenuhmmHg/oC1.751.741.781.771.811.761.741.750.000.000.001.7810Suhu AbsolutTaK302.17302.06302.48302.42302.92302.19302.04302.16303.53303.95303.47302.5211Radiasi Benda HitamrTa4cal/cm2/hr983.6939909984982.3432501114987.7482022073987.0737562635993.5709547608984.0661710401982.0527578546983.57178750211001.54531103571007.15243560451000.828717808988.360159305612RIRIcal/cm2/hr387.15346.79376.78410.84415.60403.20434.44471.94519.79463.90456.23368.9213RBRBcal/cm2/hr39.9531.1337.3853.2562.1079.1090.8497.9090.7161.1750.6137.4214HHcal/cm2/hr347.21315.66339.40357.60353.49324.10343.60374.04429.08402.73405.63331.5015Parameter Aliran UapEamm/hr1.440.951.412.042.663.284.145.597.395.703.651.9516EvapotranspirasiEtomm/hr4.844.324.745.115.204.945.386.097.395.703.654.7517Jumlah Hari31283130313031313031303118EvapotranspirasiEtomm/bln149.9760317714120.8246671813146.9444037262153.3465798435161.343435573148.1802698093166.7398839782188.8803448061221.5537316972176.5855540164109.3731303878147.3836318062Angka Angot (RA)LSJanFebMarAprMeiJunJulAgtSepOktNopDes088596092590085082083087090591089087510965960915840755710730795875935955960asumsilintang6.9940.2960918.1858.6784.45744.1761818.25884.3927.25934.85933.65Tekanan Uap Jenuh (ea)tea109.2000000000000119.840000000000001210.520000000000001311.230000000000001411.980000000000001512.780000000000001613.630000000000001714.530000000000001815.460000000000001916.460000000000002017.530000000000002118.650000000000002219.820000000000002321.050000000000002422.270000000000002523.750000000000002625.310000000000002726.740000000000002828.320000000000002930.0330.325779082330.140010049330.882213225830.789765531.678387903230.376931833330.100033268830.308980161300030.96605451613031.820000000032.810522493333.60751612932.708425333303133.70000000000003235.660000000000003337.730000000000003439.90000000000003542.1800000000000030.325779082330.140010049330.882213225830.789765531.678387903230.376931833330.100033268830.308980161332.810522493333.60751612932.708425333330.9660545161Tangen Lengkung Tekanan Uap Jenuh dari Udara Pada Suhu Rata-ratat201.08000000000000211.16000000000000221.21000000000000231.23000000000000241.36000000000000251.41000000000000261.49000000000000271.57000000000000281.65000000000000291.741.75321917691.74491665021.77808774191.7739561.81367096771.75550533331.74312997851.75246838710001.7818348387301.820000000000001.75321917691.74491665021.77808774191.7739561.81367096771.75550533331.74312997851.75246838710001.7818348387

tanahpalwijaLampiran 5.4a.KEBUTUHAN AIR SELAMA PENGOLAHAN TANAH UNTUK PALAWIJAB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESEto (dari penman)4.844.324.745.115.204.945.386.097.395.703.654.75Eo5.324.755.215.625.735.435.926.708.126.274.015.23Eo1.1EtoM = Eo + P7.326.757.217.627.737.437.928.7010.128.276.017.23P2.00mm/hariT15harik = MT / S2.202.022.162.292.322.232.372.613.042.481.802.17S50mmek8.997.578.719.8410.159.3010.7513.6120.8411.946.078.75IR = M ek/ (ek - 1)8.247.778.158.488.578.338.739.3910.639.027.208.16mm/hari

hujEffPalawjLampiran 5.7.HUJAN EFEKTIF UNTUK PALAWIJANOB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESKETERANGANHujan Bulanan ( 20 % kering)1157.95208.14124.21106.928.400.000.000.000.0023.2763.37134.00ET Crop Rata-rata BulananETc x c x n hari ( mm )2172.47138.95168.99176.35185.54170.41191.75217.21254.79203.07125.78169.49--- > ( c = 1.15 )Tabel A.2.7 hal. 1743Faktor Tampungan1.071.071.071.071.071.070.730.730.731.071.071.07Buku KP-01Hujan Efektif Bulanan (mm)Tabel A.2.7 hal. 1744114.8176.3898.9482.677.340.000.000.000.0023.3250.62105.44Buku KP-01Koreksi Hujan Efektif (mm)5122.8581.73105.8788.467.860.000.000.000.0037.0887.53118.69(5) = (3) x (4)Re ( mm / hari )3.962.923.422.950.250.000.000.000.001.202.923.83(5) : n hari012.5150175010.00910.0012.5025.0010.001.000.818.610.0411.1229.73

cang tanahLampiran 5.4b.KEBUTUHAN AIR IRIGASI UNTUK TANAMAN PALAWIJA ( KEDELAI )DAERAH IRIGASIB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESEo4.844.324.745.115.204.945.386.097.395.703.654.75Eo = 1,1 x Eto( mm / hari )5.324.755.215.625.735.435.926.708.126.274.015.23Re terkoreksi ( Re.t )( mm / hari )3.962.923.422.950.250.000.000.000.001.202.923.8310.50EVAPOTRAN-3.062.733.003.233.293.123.403.854.673.602.313.01Koefisien20.51SPIRASI3.122.783.063.303.363.193.473.934.763.672.353.07Tanaman30.66TANAMAN4.043.603.964.274.354.124.495.096.174.763.043.97( Kc )40.85Etc =5.204.645.105.505.605.315.786.557.946.123.925.1150.95Eo X Kc X 1.155.815.195.706.146.255.946.467.328.886.854.385.7160.955.815.195.706.146.255.946.467.328.886.854.385.7170.955.815.195.706.146.255.946.467.328.886.854.385.7180.553.373.003.303.563.623.443.744.245.143.962.543.3190.553.373.003.303.563.623.443.744.245.143.962.543.31PENGOLAHAN TANAHIR8.247.778.158.488.578.338.739.3910.639.027.208.1650 mmIR-Re.tA4.274.854.745.548.328.338.739.3910.637.834.284.33SELAMA 15 HARIA x 0.116B0.500.560.550.640.960.971.011.091.230.910.500.50P E R T U M B U H A NKEBUTUHAN AIRETc.1-Re.tA0.000.000.000.283.043.123.403.854.672.410.000.002 MINGGU KE 1A x 0.116B0.000.000.000.030.350.360.390.450.540.280.000.00KEBUTUHAN AIRETc.2-Re.tA0.000.000.000.353.103.193.473.934.762.480.000.002 MINGGU KE 2A x 0.116B0.000.000.000.040.360.370.400.460.550.290.000.00KEBUTUHAN AIRETc.3-Re.tA0.080.680.541.324.094.124.495.096.173.560.130.142 MINGGU KE 3A x 0.116B0.010.080.060.150.470.480.520.590.720.410.010.02KEBUTUHAN AIRETc.4-Re.tA1.241.721.682.555.345.315.786.557.944.931.001.282 MINGGU KE 4A x 0.116B0.140.200.200.300.620.620.670.760.920.570.120.15KEBUTUHAN AIRETc.5-Re.tA1.852.272.283.196.005.946.467.328.885.651.461.882 MINGGU KE 5A x 0.116B0.210.260.260.370.700.690.750.851.030.660.170.22KEBUTUHAN AIRETc.6-Re.tA1.852.272.283.196.005.946.467.328.885.651.461.882 MINGGU KE 6A x 0.116B0.210.260.260.370.700.690.750.851.030.660.170.22KEBUTUHAN AIRETc.5-Re.tA1.852.272.283.196.005.946.467.328.885.651.461.883 MINGGU KE 7A x 0.117B0.210.260.260.370.700.690.750.851.030.660.170.22KEBUTUHAN AIRETc.6-Re.tA0.000.080.000.613.373.443.744.245.142.770.000.003 MINGGU KE 8A x 0.117B0.000.010.000.070.390.400.430.490.600.320.000.00KEBUTUHAN AIRETc.5-Re.tA0.000.000.000.000.000.000.000.000.000.000.000.004 MINGGU KE 9A x 0.118B0.000.000.000.000.000.000.000.000.000.000.000.00Catatan :A = kebutuhan air ( mm / hari )B = kebutuhan air ( lt / dt / ha )

Kacang TanahLampiran 5 - 11 gKEBUTUHAN AIR IRIGASI UNTUK TANAMAN PALAWIJA ( KACANG TANAH )DAERAH IRIGASIB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDES4.843.443.463.633.343.073.493.634.313.393.893.68Eo = 1,1 x Eto( mm / hari )5.323.793.803.993.673.383.843.994.743.734.284.05Re terkoreksi ( Re.t )( mm / hari )3.962.923.422.950.250.000.000.000.001.202.923.8310.50EVAPOTRAN-3.062.182.192.302.111.942.212.292.732.152.462.33Koefisien20.51SPIRASI3.122.222.232.342.151.982.252.342.782.192.512.37Tanaman30.66TANAMAN4.042.872.893.032.782.572.913.033.602.833.253.07( Kc )40.85Etc =5.203.703.723.903.593.303.753.904.643.654.183.9650.95Eo X Kc X 1.155.814.144.154.364.013.694.204.365.184.084.674.4260.955.814.144.154.364.013.694.204.365.184.084.674.4270.955.814.144.154.364.013.694.204.365.184.084.674.4280.553.372.392.402.532.322.142.432.523.002.362.712.5690.553.372.392.402.532.322.142.432.523.002.362.712.56PENGOLAHAN TANAHIR8.247.778.158.488.578.338.739.3910.639.027.208.1650 mmIR-Re.tA4.274.854.745.548.328.338.739.3910.637.834.284.33SELAMA 15 HARIA x 0.116B0.500.560.550.640.960.971.011.091.230.910.500.50P E R T U M B U H A NKEBUTUHAN AIRETc.1-Re.tA0.000.000.000.001.861.942.212.292.730.950.000.002 MINGGU KE 1A x 0.116B0.000.000.000.000.220.230.260.270.320.110.000.00KEBUTUHAN AIRETc.2-Re.tA0.000.000.000.001.901.982.252.342.780.990.000.002 MINGGU KE 2A x 0.116B0.000.000.000.000.220.230.260.270.320.120.000.00KEBUTUHAN AIRETc.3-Re.tA0.080.000.000.082.532.572.913.033.601.640.330.002 MINGGU KE 3A x 0.116B0.010.000.000.010.290.300.340.350.420.190.040.00KEBUTUHAN AIRETc.4-Re.tA1.240.780.300.963.333.303.753.904.642.451.260.132 MINGGU KE 4A x 0.116B0.140.090.030.110.390.380.440.450.540.280.150.01KEBUTUHAN AIRETc.5-Re.tA1.851.220.741.413.763.694.204.365.182.881.760.592 MINGGU KE 5A x 0.116B0.210.140.090.160.440.430.490.510.600.330.200.07KEBUTUHAN AIRETc.6-Re.tA2.751.961.972.071.901.751.992.062.451.932.212.102 MINGGU KE 6A x 0.116B0.320.230.230.240.220.200.230.240.280.220.260.24KEBUTUHAN AIRETc.7-Re.tA0.000.000.000.000.000.000.000.000.000.000.000.002 MINGGU KE 7A x 0.116B0.000.000.000.000.000.000.000.000.000.000.000.00KEBUTUHAN AIRETc.8-Re.tA2.423.644.004.124.564.644.535.045.454.952.523.742 MINGGU KE 8A x 0.116B0.280.420.460.480.530.540.530.580.630.570.290.43KEBUTUHAN AIREtc.9-Re.tA0.000.000.000.002.072.142.432.523.001.160.000.002 MINGGU KE 9A x 0.116B0.000.000.000.000.240.250.280.290.350.130.000.00Catatan :A = kebutuhan air ( mm / hari )B = kebutuhan air ( lt / dt / ha )

KebutPadiKEBUTUHAN AIR IRIGASI UNTUK PADI PENDEKDENGAN SISTEM 1 GOLONGANDAERAH IRIGASIB U L A NJANPEBMARAPRMEIJUNJULAGUSEPOKTNOPDESEto (dari penman)( mm / hari )4.844.324.745.115.204.945.386.097.395.703.654.75Eo = 1.1 X Eto( mm / hari )5.324.755.215.625.735.435.926.708.126.274.015.23P( mm / hari )2.002.002.002.002.002.002.002.002.002.002.002.00Eo + P( mm / hari )7.326.757.217.627.737.437.928.7010.128.276.017.23Rh = HUJAN ( 20 % KERING )( mm / hari )5.107.434.013.560.270.000.000.000.000.752.114.320,36FACTOR10.361.832.681.441.280.100.000.000.000.000.270.761.560,70HUJAN20.73.575.202.802.490.190.000.000.000.000.531.483.030,40DENGAN30.42.042.971.601.430.110.000.000.000.000.300.841.730,401 GOLONGAN40.4Re = Fh X Rh2.042.971.601.430.110.000.000.000.000.300.841.730,40TIAP 250.4( mm / hari )2.042.971.601.430.110.000.000.000.000.300.841.730,40MINGGU60.42.042.971.601.430.110.000.000.000.000.300.841.730,40( Fh )70.42.042.971.601.430.110.000.000.000.000.300.841.730,00800.000.000.000.000.000.000.000.000.000.000.000.0011.205.815.185.696.136.255.936.457.318.866.844.375.71KOEFISIEN21.276.145.486.026.496.616.276.837.749.387.234.636.04TANAMAN31.33Etc = Kc X Eo6.435.746.306.806.926.577.158.109.827.584.856.32( Kc )41.30( mm / hari )6.295.616.166.656.776.426.997.929.607.414.746.1851.155.564.965.455.885.995.686.197.018.496.554.195.4760.000.000.000.000.000.000.000.000.000.000.000.000.00PENGOLAHAN TANAHLP11.1210.4010.6010.8010.8010.6010.9012.1013.2211.709.4111.032 MINGGU KE 1LP-Re.1A9.297.729.169.5210.7010.6010.9012.1013.2211.438.659.47A X 0,116B1.080.901.061.101.241.231.261.401.531.331.001.10B x 1,22C1.311.091.301.351.511.501.541.711.871.621.221.34C x 1,15D1.511.261.491.551.741.731.771.972.151.861.411.54D x 1,10E1.661.381.641.701.921.901.952.172.372.051.551.70PENGOLAHAN TANAHLP11.1210.4010.6010.8010.8010.6010.9012.1013.2211.709.4111.032 MINGGU KE 2LP-Re.2A7.565.207.808.3110.6110.6010.9012.1013.2211.177.938.00A x 0.116B0.880.600.900.961.231.231.261.401.531.300.920.93B x 1,22C1.070.741.101.181.501.501.541.711.871.581.121.13C x 1,15D1.230.851.271.351.731.731.771.972.151.821.291.30D x 1,10E1.350.931.401.491.901.901.952.172.372.001.421.43KEBUTUHAN AIRETc.1-Re.3+P+WA9.107.539.4210.0411.4711.2611.7812.6414.1911.878.869.312 MINGGU KE 1A x 0.116B1.060.871.091.161.331.311.371.471.651.381.031.08W = 3.33 (mm / hari)B x 1,22C1.291.071.331.421.621.591.671.792.011.681.251.32C x 1,15D1.481.231.531.631.871.831.922.062.311.931.441.51D x 1,10E1.631.351.691.802.052.022.112.262.542.121.591.67KEBUTUHAN AIRETc.2-Re.4+P+WA9.447.849.7510.4011.8311.6012.1613.0714.7112.269.129.642 MINGGU KE 2A x 0.116B1.090.911.131.211.371.351.411.521.711.421.061.12W = 3.33 (mm / hari)B x 1,22C1.341.111.381.471.671.641.721.852.081.741.291.36C x 1,15D1.541.281.591.691.931.891.982.132.392.001.481.57D x 1,10E1.691.401.741.862.122.082.182.342.632.201.631.73KEBUTUHAN AIRETc.3-Re.5+P+WA9.738.1010.0310.7012.1411.9012.4813.4315.1512.619.339.922 MINGGU KE 3A x 0.116B1.130.941.161.241.411.381.451.561.761.461.081.15W = 3.33 (mm / hari)B x 1,22C1.381.151.421.511.721.681.771.902.141.781.321.40C x 1,15D1.581.321.631.741.981.942.032.192.472.051.521.62D x 1,10E1.741.451.801.922.172.132.232.402.712.261.671.78KEBUTUHAN AIRETc.4-Re.6+P+WA9.587.979.8910.5511.9911.7512.3213.2514.9312.449.229.782 MINGGU KE 4A x 0.116B1.110.921.151.221.391.361.431.541.731.441.071.13W = 3.33 (mm / hari)B x 1,22C1.361.131.401.491.701.661.741.882.111.761.311.38C x 1,15D1.561.301.611.721.951.912.012.162.432.021.501.59D x 1,10E1.721.431.771.892.152.102.212.372.672.231.651.75KEBUTUHAN AIRETc.5-Re.7+PA5.533.995.856.457.887.688.199.0110.498.255.355.742 MINGGU KE 5A x 0.116B0.640.460.680.750.910.890.951.041.220.960.620.67W = 3.33 (mm / hari)B x 1,22C0.780.560.830.911.111.091.161.271.481.170.760.81C x 1,15D0.900.650.951.051.281.251.331.471.711.340.870.93D x 1,10E0.990.711.051.161.411.371.471.611.881.480.961.03KEBUTUHAN AIRETc.6-Re.8+PA2.002.002.002.002.002.002.002.002.002.002.002.002 MINGGU KE 6A x 0.116B0.230.230.230.230.230.230.230.230.230.230.230.23W = 3.33 (mm / hari)B x 1,22C0.280.280.280.280.280.280.280.280.280.280.280.28C x 1,15D0.330.330.330.330.330.330.330.330.330.330.330.33D x 1,10E0.360.360.360.360.360.360.360.360.360.360.360.36Catatan :A = kebutuhan air (mm/hari)B = Kebutuhan air (lt/dt/ha)C = Kebutuhan air di tersier (lt/dt/ha)D = Kebutuhan air di sekunder (lt/dt/ha)E = Kebutuhan air di primer (lt/dt/ha)RH STASIUN : ADI SOEMARMO SURAKARTA

P=PerembesanDari Tabel Yielstra

Pola tanamRENCANA POLA TANAMDAERAH IRIGASI 1043,68 HAUNTUK AREAL POTENSIAL DENGAN SISTEM 1 GOLONGANGOL 1GOL 2GOL 3U R A I A NJANUARIFEBRUARIMARETAPRILMEIJUNIJULIAGUSTUSSEPTEMBEROKTOBERNOVEMBERDESEMBERJANUARIKETERANGANIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIDAERAH IRIGASILUAS AREAL TANAM :GOLONGAN IGOLONGAN I :0.00HaLUAS AREAL =MASA TANAM IPADI1,043.681,027.720.000.900.601.091.131.241.220.910.230.970.360.400.520.760.851.031.531.301.381.061.081.130.220.23MASA TANAM IIPADIlt / dt / ha1.080.600.871.131.161.220.750.230.960.360.370.520.670.850.851.531.531.381.421.081.070.220.230.001,027.72123456123456123456MASA TANAM IIIPALAWIJA1,027.72KEBUTUHAN AIR ( lt /dt / ha )RATA-RATA0.540.750.741.111.151.230.990.570.600.660.370.460.600.800.851.281.531.341.401.071.080.680.230.12LUAS AREAL :1,027.72HaDEBIT KEBUTUHAN AIR ( m3 / dt )RATA-RATA0.550.770.761.141.181.271.010.590.610.680.380.470.610.830.871.321.581.371.441.101.110.700.230.12= MASA PERTUMBUHANKEBUTUHAN AIR ( lt / dt / ha )0.540.750.741.111.151.230.990.570.600.660.370.460.600.800.851.281.531.341.401.071.080.680.230.12= PENGOLAHAN TANAHUNTUK 1 GOLONGAN DI PETAK SAWAH= PENGERINGANSALURAN TERSIER ( lt / dt / ha )0.660.910.901.361.401.501.200.700.730.810.450.560.730.981.041.561.871.631.711.311.310.830.270.14Koefisien :SALURAN SEKUNDER ( lt / dt / ha )0.761.051.041.561.611.731.380.800.840.930.510.650.841.131.191.802.151.871.961.501.510.950.320.16- Saluran Tersier= 1.220.5-1.5SALURAN PRIMER ( lt / dt / ha )0.831.161.141.721.771.901.520.880.921.030.560.710.921.241.311.982.372.062.161.651.661.040.350.18- Saluran Sekunder= 1.15- Saluran Primer= 1.10DEBIT KEBUTUHAN AIR ( m3 / dt )0.851.191.171.761.821.961.560.910.951.050.580.730.951.281.352.032.432.122.221.701.711.070.360.18UNTUK 1 GOLONGAN DI SALURAN PRIMERKebutuhan Air ( lt / dt / ha ) :- Petak Sawah= 1.53DEBIT ANDALAN (m3 / dt )3.240.004.346.745.113.033.553.281.871.040.660.000.000.000.000.000.000.000.000.000.020.641.791.97- Saluran Tersier= 1.87- Saluran Sekunder= 2.15KEANDALAN ( % )100.000.00100.00100.00100.00100.00100.00100.00100.0098.31100.000.000.000.000.000.000.000.000.000.000.8860.03100.00100.00- Saluran Primer= 2.37CATATAN:DEBIT ANDALAN DARI PENCATATAN DEBIT SUNGAI NORMAL 1/2 BULANAN RATA-RATADI LOKASI BENDUNG GALOK ( TH 1990 - TH 2008 )03.81825004956.73787106745.44801653923.03243009423.52616063942.75919246911.87232206651.03751961730.66097213530000000000.10528810670.64421617122.01541211492.8922964549URAIANJANUARIFEBRUARIMARETAPRILMEIJUNIJULIAGUSTUSSEPTEMBEROKTOBERNOVEMBERDESEMBERJANUARIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIKEBUTUHAN AIR ( m3 / dt )0.851.191.171.761.821.961.560.910.951.050.580.730.951.281.352.032.432.122.221.701.711.070.360.18UNTUK 3 GOLONGAN DI SALURAN PRIMERDEBIT ANDALAN (m3 / dt )3.240.004.346.745.113.033.553.281.871.040.660.000.000.000.000.000.000.000.000.000.020.641.791.97KEANDALAN ( % )100.000.00100.00100.00100.00100.00100.00100.00100.0098.31100.000.000.000.000.000.000.000.000.000.000.8860.03100.00100.00CATATAN :DEBIT ANDALAN DARI PENCATATAN DEBIT NORMAL 1/2 BULANAN RATA-RATADILOKASI BENDUNG COLO UNTUK INTAKE COLO BARAT ( TH 1986 - TH 2005 )

Masukkan Luasan SawahMasukkan Faktor Kehilangan Energi antara 0.5-1.5Masukkan Debit Andalan Dari Perhitungan Mock

Pola tanam

Kebutuhan AirDebit AndalanDEBIT (m3/det)GRAFIK NERACA AIR (WATER BALANCE) RENCANA POLA TANAMDAERAH IRIGASI LUAS TANAM AREAL POTENSIAL = 1043.68 HA

PADI = 1027,72 HApalawija = 1027,72 HAPadi = 1102,07 HApadi = 1027,72 HA

MBD0251CEFA.unknown