blaney - cridleBlaney-Cridle (FAO)

MESTmaxTminTPfHR(%)VIENTO m/sEto mm/diaEto mm/meslatitud 10 Slatitus 15 SLATITUD 12 Senero 27.4119.4423.4250.295.579.61.26393.00enero0.290.290.29febrero28.9220.3324.6250.285.475.851.262.981.20febrero0.280.280.28marzo28.6519.7524.20.285.475.631.152.989.90marzo0.280.280.28abril26.8617.7522.3050.275.079.071.112.781.00abril0.270.270.27mayo23.2715.519.3850.264.483.240.922.371.30mayo0.260.260.26junio19.8914.217.0450.264.287.630.772.163.00junio0.260.260.26julio18.9114.1616.5350.264.188.70.851.958.90julio0.260.260.26agosto18.3113.9216.1150.264.088.530.881.855.80agosto0.270.260.26septiembre19.9813.9516.9650.274.388.070.992.266.00septiembre0.270.270.27octubre21.1814.5217.850.284.686.091.082.577.50octubre0.280.280.28noviembre22.6915.6719.180.294.984.251.12.678.00noviembre0.280.290.29diciembre25.0617.4121.2350.295.282.741.142.886.80diciembre0.290.290.29

tanque evaporimetroLatitud:12 05' SAltitud:243.7 msnmEntorno (m) :50Mes EvaporacionHumedadVelocidad Velocidad Total (mm)Relativa (%)del viento (km/dia)del viento (m/s)ENERO109.273.4734259.251843.00FEBRERO127.972.1087241.280642.7926MARZO113.673.026223.7762.59ABRIL88.275.7284218.324162.5269MAYO 47.178.911227.882.6375JUNIO38.282.8658202.893122.3483JULIO30.685.8584195.65282.2645AGOSTO48.185.9846203.109122.3508SEPTIEMBRE45.383.8289215.421122.4933OCTUBRE82.679.2452253.082882.9292NOVIEMBRE75.478.3346260.10723.0105DICIEMBRE94.7475.9846254.845442.9496Mes KpEvap (mm/mes)Eto mm/mes

ENERO0.76109.283.21FEBRERO0.77127.997.89MARZO0.77113.687.80ABRIL0.7888.268.76MAYO 0.7847.136.83JUNIO0.8038.230.43JULIO0.8030.624.60AGOSTO0.8048.138.56SEPTIEMBRE0.7945.335.97OCTUBRE0.7782.663.94NOVIEMBRE0.7775.458.08DICIEMBRE0.7794.7472.75

penmanEto=c(w*Rn+(1-w)*f(u)*(ee-ed))

ea=611*e^(17.27T/(237.3+T))Rn=0.75*Rs-RnTablasNmesT(media)ea (mbar)HR(%)ed(mbar)viento (Km/dia)f(u)NnRaRsf(t)f(ed)f(n/N)RnlRnFactor CWEto mm/diaEto mm/mes1Enero23.42528.8379.622.951.260.27312.7235.3216.67.6215.280.120.480.884.83501756690.840.723.307102.502Febrero 24.62530.9975.8523.501.260.27312.4825.9516.37.9615.560.120.530.955.02189095510.860.753.658102.423Marzo24.230.2175.6322.851.150.27312.1407.0215.48.3015.450.120.631.175.05890285860.890.743.771116.89interpolacion N4Abril22.30526.9479.0721.301.110.27311.7987.6214.08.0215.060.140.691.404.61288993930.900.723.363100.901012.083333155Mayo19.38522.5183.2418.740.920.27211.5155.6212.56.1814.480.150.551.153.47689757110.850.682.28370.7812.612.72312.95015.96Junio17.04519.4487.6317.030.770.27211.3732.6611.64.2614.010.160.300.652.5409095880.780.661.47444.2312.412.48212.64815.67Julio16.53518.8288.716.690.850.27211.4732.0412.04.0713.900.160.260.562.48632909660.780.651.41143.7512.112.14012.24615.48Agosto16.11518.3288.5316.220.880.27211.7152.413.24.6513.820.160.280.612.8775978420.780.651.60649.7911.811.79811.84415.29Septiembre16.96519.3488.0717.030.990.27311.9983.2314.75.6514.000.160.350.753.49158900850.790.661.96859.0511.611.51511.44214.910Octubre17.8520.4586.0917.611.080.27312.3824.3715.86.7414.170.150.420.884.17287884120.820.672.47776.7811.511.37311.24014.711Noviembre19.1822.2384.2518.731.10.27312.6825.0116.47.3414.440.140.460.944.56166905590.830.672.81584.4411.611.47311.33514.312Diciembre21.23525.2482.7420.881.140.27312.8234.8916.57.2714.850.140.440.884.571435610.830.702.95291.5211.811.71511.63013.91211.998122513.512.312.38212.52013.212.612.68212.81512.9NmesRaRsf(t)f(ed)f(n/N)RnlRnFactor CWEto mm/diaEto mm/mes12.712.823131012.61Enero16.607.6215.280.120.480.884.840.840.723.31102.50512.32Febrero 16.307.9615.560.120.530.955.020.860.753.66102.42012.13Marzo15.408.3015.450.120.631.175.060.890.743.77116.894Abril14.008.0215.060.140.691.404.610.900.723.36100.905Mayo12.506.1814.480.150.551.153.480.850.682.2870.786Junio11.604.2614.010.160.300.652.540.780.661.4744.237Julio12.004.0713.900.160.260.562.490.780.651.4143.758Agosto13.204.6513.820.160.280.612.880.780.651.6149.799Septiembre14.705.6514.000.160.350.753.490.790.661.9759.0510Octubre15.806.7414.170.150.420.884.170.820.672.4876.7811Noviembre16.407.3414.440.140.460.944.560.830.672.8184.4412Diciembre16.507.2714.850.140.440.884.570.830.702.9591.52

Hoja4radiacion faoMESNnn/NRaRsT(media)WW*RsHR(%)VIENTO m/sEto mm/diaEto mm/ mesENERO12.725.320.4216.67.6223.430.725.4979.61.263.90120.90FEBRERO12.485.950.4816.37.9624.630.735.8175.851.264.30120.40MARZO12.147.020.5815.48.3024.200.736.0675.631.154.40136.40ABRIL11.807.620.6514.08.0222.310.715.6979.071.114.20126.00MAYO 11.525.620.4912.56.1819.390.674.1483.240.922.7083.70JUNIO11.372.660.2311.64.2617.050.652.7787.630.771.8054.00JULIO11.472.040.1812.04.0716.540.642.6088.70.851.7052.70AGOSTO11.722.40.2013.24.6516.120.642.9888.530.882.0062.00SEPTIEMBRE12.003.230.2714.75.6516.970.653.6788.070.992.4072.00OCTUBRE12.384.370.3515.86.7417.850.664.4586.091.083.1096.10NOVIEMBRE12.685.010.4016.47.3419.180.674.9284.251.13.70111.00DICIEMBRE12.824.890.3816.57.2721.240.695.0282.741.143.71115.01

Rs = (0,25 + 0,5 n/N) RaETo = a + b (W Rs)

W = ndice de ponderacin, depende de T y la altitud (Cuadro)Rs = radiacin solara, b = coeficientes de ajuste

calibracionBlaney - CridleTANQUE evaporimetroPenmanradiacionEto mm/mesEto mm/mesEto mm/mesEto mm/ mes193.0183.211102.501120.9281.2297.892102.422120.4389.9387.803116.893136.4481.0468.764100.904126571.3536.83570.78583.7663.0630.43644.23654758.9724.60743.75752.7855.8838.56849.79862966.0935.97959.059721077.51063.941076.781096.11178.01158.081184.44111111286.81272.751291.5212115.01factor de correcion para Blaney - cridle

factor de correccion.enero 0.895factor de correcion para PENNMANfactor de correcion para RADIACINfebrero1.206marzo0.977factor de correccion.factor de correccion.abril0.849enero 0.812enero 0.688mayo0.517febrero0.956febrero0.813junio0.483marzo0.751marzo0.644julio0.418abril0.681abril0.546agosto0.691mayo0.520mayo0.440septiembre0.545junio0.688junio0.564octubre0.825julio0.562julio0.467noviembre0.745agosto0.774agosto0.622diciembre0.838septiembre0.609septiembre0.500octubre0.833octubre0.665noviembre0.688noviembre0.523diciembre0.795diciembre0.633