31
DATOS DE LAS PRECIPITACIONES HISTORICAS MENSUALES AJUSTADAS Y COREGIDOS DE DISVERSAS ESTACIONES Latitud: 09°35' CUADRO N° 01 Longitud: 77°42' ESTACION PIRA Altitud: 3625 msnm DATOS DE PRECIPITACION MENSUAL AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL 1982 29.2 70.8 107.2 90.7 6.1 0 0.1 5.3 0.2 26 72.9 78.5 487.0 1983 37.2 70.2 110.2 75.6 8 0 0 0 2.4 48.5 13.4 36.3 401.8 1984 57.4 69 99.5 72.4 7.1 0 0.1 0 6.8 78.2 42.9 21.9 455.3 1985 24.3 61.6 133.9 55.4 6.8 0 0 0.1 3.6 72.1 19.6 54.6 432.0 1986 132.4 102.9 152.3 19.7 15.5 0 0 0.1 0.2 28 40.9 82.2 574.2 1987 48.9 91.2 120.5 59.1 3.8 0 0 0 5.7 68.2 37.8 15.1 450.3 1988 65.6 129.5 191.2 36 26.3 0 0.4 0 1.6 60.9 86.8 128.1 726.4 1989 64.6 180.8 227.7 28.9 21.6 0 0 0 4.5 52.9 26 27.2 634.2 1990 69.1 96.4 106 49.3 1 0 0 0 1.6 38.8 99.9 116.4 578.5 1991 22.3 52 138.9 29.3 5.1 0 0 0 1.6 46.2 21.9 5.5 322.8 Promedio 55.1 92.44 138.74 51.64 10.13 0 0.06 0.55 2.82 51.98 46.21 56.58 506.3 Latitud: 9:32:48 CUADRO N° 02 Longitud: 77:37:15 ESTACION RECUAY Altitud: 4275 DATOS DE PRECIPITACION MENSUAL AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL 1982 158.4 163.3 94.6 43.2 4.4 0.0 9.2 15.5 8.6 163.1 128.9 108.2 897.4 1983 124.4 37.3 115.8 74.5 10.0 15.2 2.1 0.0 9.9 71.0 93.4 59.7 613.3 1984 98.7 229.4 227.8 90.1 63.0 21.0 13.9 0.0 44.9 154.4 88.6 82.7 1114.5 1985 40.2 114.6 111.0 128.2 47.1 2.1 13.5 0.0 73.1 45.5 44.0 108.7 728 1986 219.5 136.9 73.8 83.2 3.5 0.0 0.0 2.0 41.6 50.1 74.4 128.3 813.3 1987 175.3 125.1 76.1 74.6 7.0 0.0 0.0 6.2 57.9 56.2 112.2 183.3 873.9 1988 154.6 133.5 89.1 114.7 33.1 2.5 0.0 21.7 46.0 83.4 96.3 64.5 839.4 1989 177.4 140.3 137.5 82.3 33.2 7.1 0.0 22.9 38.3 127.8 40.6 9.4 816.8 1990 110.1 42.7 75.3 49.3 33.0 3.3 0.0 4.8 9.5 132.5 117.6 61.4 639.5 1991 57.6 72.0 111.2 92.2 42.1 0.0 4.7 0.0 0.0 61.5 76.0 32.9 550.2 Promedio 131.6 119.5 111.2 83.2 27.6 5.1 4.3 7.3 33.0 94.6 87.2 83.9 788.63 Latitud: 9:33:00 CUADRO N° 03 Longitud: 5:46:12 ESTACION CHACCHAN Altitud: 2285 msnm DATOS DE PRECIPITACION MENSUAL AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL 1982 45.2 9.7 51.2 17.5 0.0 0.0 0.0 0.0 0.0 8.3 10.5 9.2 151.6 1983 62.4 42.3 227.6 63.4 0.0 0.0 0.0 0.0 0.0 12.6 0.0 60.1 468.4 1984 24.4 36.2 4.0 5.2 0.0 0.0 0.0 0.0 0.0 10.8 6.5 17.8 104.9 1985 27.1 6.7 26.9 3.0 0.0 0.0 0.0 0.0 0.0 0.0 12.6 1.7 78 1986 11.5 16.0 21.7 10.6 0.0 0.0 0.0 0.0 0.0 0.0 10.2 2.7 72.7 1987 14.9 26.4 11.6 6.8 0.0 0.0 0.0 0.0 0.0 0.0 9.4 0.0 69.1 1988 12.7 54.3 17.4 17.8 0.0 0.0 0.0 0.0 3.3 1.9 2.6 15.8 125.8 1989 60.9 151.3 40.9 16.5 0.0 0.0 0.0 0.0 3.5 18.1 5.1 15.3 311.6 1990 1.7 6.5 24.4 8.9 0.0 0.0 0.0 0.0 0.0 30.8 10.8 12.4 95.5 1991 10.0 12.5 33.8 10.1 0.0 0.0 0.0 0.0 0.0 1.4 13.0 35.5 116.3 Promedio 27.08 36.19 45.95 15.98 0 0 0 0 0.68 8.39 8.07 17.05 159.39 Latitud: 9:57:02 CUADRO N° 04 Longitud: 5:19:33 ESTACION COLLOTA Altitud: 3910 msnm DATOS DE PRECIPITACION MENSUAL AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL 1982 117.8 124.4 90.6 48.0 0.0 0.0 0.0 3.6 0.0 53.9 62.2 68.1 568.6 1983 78.8 13.0 78.1 49.2 27.2 3.0 0.0 0.0 0.0 17.7 20.1 155.8 442.9 1984 38.5 210.8 184.0 120.7 49.1 11.3 0.0 0.0 20.1 52.8 32.6 101.5 821.4 1985 19.6 93.6 94.2 43.2 34.9 0.0 0.0 1.8 27.8 3.0 13.0 41.4 372.5 1986 159.9 119.0 60.4 93.0 0.0 0.0 1.8 0.0 9.5 5.9 20.7 48.0 518.2 1987 54.5 114.3 20.7 53.9 31.4 0.0 0.0 0.0 0.0 19.6 23.7 72.8 390.9 1988 61.0 100.7 54.5 114.3 77.0 0.0 0.0 0.0 0.0 39.1 11.3 65.1 523.0 1989 50.9 184.8 132.6 58.6 45.0 0.0 0.0 0.0 0.0 66.3 5.9 71.6 615.7

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DATOS DE LAS PRECIPITACIONES HISTORICAS MENSUALES

AJUSTADAS Y COREGIDOS DE DISVERSAS ESTACIONES

Latitud: 09°35' CUADRO N° 01

Longitud: 77°42' ESTACION PIRA

Altitud: 3625 msnm DATOS DE PRECIPITACION MENSUAL

AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL

1982 29.2 70.8 107.2 90.7 6.1 0 0.1 5.3 0.2 26 72.9 78.5 487.0

1983 37.2 70.2 110.2 75.6 8 0 0 0 2.4 48.5 13.4 36.3 401.81984 57.4 69 99.5 72.4 7.1 0 0.1 0 6.8 78.2 42.9 21.9 455.31985 24.3 61.6 133.9 55.4 6.8 0 0 0.1 3.6 72.1 19.6 54.6 432.01986 132.4 102.9 152.3 19.7 15.5 0 0 0.1 0.2 28 40.9 82.2 574.2

1987 48.9 91.2 120.5 59.1 3.8 0 0 0 5.7 68.2 37.8 15.1 450.31988 65.6 129.5 191.2 36 26.3 0 0.4 0 1.6 60.9 86.8 128.1 726.41989 64.6 180.8 227.7 28.9 21.6 0 0 0 4.5 52.9 26 27.2 634.21990 69.1 96.4 106 49.3 1 0 0 0 1.6 38.8 99.9 116.4 578.5

1991 22.3 52 138.9 29.3 5.1 0 0 0 1.6 46.2 21.9 5.5 322.8

Promedio 55.1 92.44 138.74 51.64 10.13 0 0.06 0.55 2.82 51.98 46.21 56.58 506.3

Latitud: 9:32:48 CUADRO N° 02Longitud: 77:37:15 ESTACION RECUAY

Altitud: 4275 DATOS DE PRECIPITACION MENSUAL

AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL

1982 158.4 163.3 94.6 43.2 4.4 0.0 9.2 15.5 8.6 163.1 128.9 108.2 897.4

1983 124.4 37.3 115.8 74.5 10.0 15.2 2.1 0.0 9.9 71.0 93.4 59.7 613.3

1984 98.7 229.4 227.8 90.1 63.0 21.0 13.9 0.0 44.9 154.4 88.6 82.7 1114.5

1985 40.2 114.6 111.0 128.2 47.1 2.1 13.5 0.0 73.1 45.5 44.0 108.7 728

1986 219.5 136.9 73.8 83.2 3.5 0.0 0.0 2.0 41.6 50.1 74.4 128.3 813.3

1987 175.3 125.1 76.1 74.6 7.0 0.0 0.0 6.2 57.9 56.2 112.2 183.3 873.9

1988 154.6 133.5 89.1 114.7 33.1 2.5 0.0 21.7 46.0 83.4 96.3 64.5 839.4

1989 177.4 140.3 137.5 82.3 33.2 7.1 0.0 22.9 38.3 127.8 40.6 9.4 816.8

1990 110.1 42.7 75.3 49.3 33.0 3.3 0.0 4.8 9.5 132.5 117.6 61.4 639.51991 57.6 72.0 111.2 92.2 42.1 0.0 4.7 0.0 0.0 61.5 76.0 32.9 550.2

Promedio 131.6 119.5 111.2 83.2 27.6 5.1 4.3 7.3 33.0 94.6 87.2 83.9 788.63

Latitud: 9:33:00 CUADRO N° 03

Longitud: 5:46:12 ESTACION CHACCHAN

Altitud: 2285 msnm DATOS DE PRECIPITACION MENSUAL

AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL

1982 45.2 9.7 51.2 17.5 0.0 0.0 0.0 0.0 0.0 8.3 10.5 9.2 151.6

1983 62.4 42.3 227.6 63.4 0.0 0.0 0.0 0.0 0.0 12.6 0.0 60.1 468.4

1984 24.4 36.2 4.0 5.2 0.0 0.0 0.0 0.0 0.0 10.8 6.5 17.8 104.9

1985 27.1 6.7 26.9 3.0 0.0 0.0 0.0 0.0 0.0 0.0 12.6 1.7 78

1986 11.5 16.0 21.7 10.6 0.0 0.0 0.0 0.0 0.0 0.0 10.2 2.7 72.7

1987 14.9 26.4 11.6 6.8 0.0 0.0 0.0 0.0 0.0 0.0 9.4 0.0 69.1

1988 12.7 54.3 17.4 17.8 0.0 0.0 0.0 0.0 3.3 1.9 2.6 15.8 125.8

1989 60.9 151.3 40.9 16.5 0.0 0.0 0.0 0.0 3.5 18.1 5.1 15.3 311.6

1990 1.7 6.5 24.4 8.9 0.0 0.0 0.0 0.0 0.0 30.8 10.8 12.4 95.5

1991 10.0 12.5 33.8 10.1 0.0 0.0 0.0 0.0 0.0 1.4 13.0 35.5 116.3

Promedio 27.08 36.19 45.95 15.98 0 0 0 0 0.68 8.39 8.07 17.05 159.39

Latitud: 9:57:02 CUADRO N° 04Longitud: 5:19:33 ESTACION COLLOTA

Altitud: 3910 msnm DATOS DE PRECIPITACION MENSUAL

AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC TOTAL

1982 117.8 124.4 90.6 48.0 0.0 0.0 0.0 3.6 0.0 53.9 62.2 68.1 568.6

1983 78.8 13.0 78.1 49.2 27.2 3.0 0.0 0.0 0.0 17.7 20.1 155.8 442.9

1984 38.5 210.8 184.0 120.7 49.1 11.3 0.0 0.0 20.1 52.8 32.6 101.5 821.4

1985 19.6 93.6 94.2 43.2 34.9 0.0 0.0 1.8 27.8 3.0 13.0 41.4 372.5

1986 159.9 119.0 60.4 93.0 0.0 0.0 1.8 0.0 9.5 5.9 20.7 48.0 518.2

1987 54.5 114.3 20.7 53.9 31.4 0.0 0.0 0.0 0.0 19.6 23.7 72.8 390.9

1988 61.0 100.7 54.5 114.3 77.0 0.0 0.0 0.0 0.0 39.1 11.3 65.1 523.0

1989 50.9 184.8 132.6 58.6 45.0 0.0 0.0 0.0 0.0 66.3 5.9 71.6 615.7

1990 41.5 27.3 61.0 8.3 0.0 4.1 0.0 0.0 5.9 101.8 98.3 20.1 368.3

1991 38.5 26.6 126.1 17.2 17.7 0.0 0.0 0.0 0.0 44.4 32.0 69.4 371.9

Promedio 66.1 101.45 90.22 60.64 28.23 1.84 0.18 0.54 6.33 40.45 31.98 71.38 499.3

REGIONALIZACION DE LOS DATOS DE LAS PRECIPITACIONES MENSUALES PARA LA

ESTIMACION DE LA PRECIPITACION MEDIA EN LA MICROCUENCA DE TRABAJO

ESTACION ALT. (msnm) Pprom.

PIRA 3625 506.3

RECUAY 4275 788.6

CHACCHAN 2285 159.4

COLLOTA 3910 499.3

ALTURA DE CUENCA (msnm) Pma = y = 0.2837X - 507.3 (mm)

4200 684.2

Pma Cuenca Est. Base F. C.

684.2 506.3 1.35

CUADRO N° 05

DATOS DE PRECIPITACION CORREGIDOS MENSUAL

CUENCA DE APORTE

F.C. 1.35

AÑO ENE FEB MAR ABR MAY JUN JUL AGO SET OCT1982 39.5 95.7 144.9 122.6 8.2 0.0 0.1 7.2 0.3 35.11983 50.3 94.9 148.9 102.2 10.8 0.0 0.0 0.0 3.2 65.61984 77.6 93.3 134.5 97.9 9.6 0.0 0.1 0.0 9.2 105.71985 32.8 83.3 181.0 74.9 9.2 0.0 0.0 0.1 4.9 97.41986 178.9 139.1 205.8 26.6 20.9 0.0 0.0 0.1 0.3 37.81987 66.1 123.3 162.9 79.9 5.1 0.0 0.0 0.0 7.7 92.21988 88.7 175.0 258.4 48.7 35.5 0.0 0.5 0.0 2.2 82.31989 87.3 244.4 307.8 39.1 29.2 0.0 0.0 0.0 6.1 71.51990 93.4 130.3 143.3 66.6 1.4 0.0 0.0 0.0 2.2 52.41991 30.1 70.3 187.7 39.6 6.9 0.0 0.0 0.0 2.2 62.4

Promedio 74.5 124.9 187.5 69.8 13.7 0.0 0.1 0.7 3.8 70.3

Reemplazando la altitud de la cuencade trabajo en la ecuacion de la Recta,nos sale que:

REGIONALIZACION DE LOS DATOS DE LAS PRECIPITACIONES MENSUALES PARA LA

ESTIMACION DE LA PRECIPITACION MEDIA EN LA MICROCUENCA DE TRABAJO

NOV DIC TOTAL

98.5 106.1 658.2

18.1 49.1 543.1

58.0 29.6 615.4

26.5 73.8 583.9

55.3 111.1 776.1

51.1 20.4 608.6

117.3 173.1 981.8

35.1 36.8 857.2

135.0 157.3 781.9

29.6 7.4 436.3

62.5 76.5 684.2

1000 1500 2000 2500 3000 3500 4000 45000

200

400

600

800

1000

f(x) = 0.2829965876x - 508.8092256131R² = 0.909768069

Regionalización de Pma en la Cuenca

ALTITUD (msnm)

PRECIPITACION TOTAL ANUAL MEDIA (mm)

CUADRO DE DISTRIBUCIÓN DE FRECUENCIAS (Ordenados en forma descendente en cada mes)

m FREC(%) ENE FEB MAR ABR MAY JUN JUL1 2.083 220.92 267.61 249.80 162.95 86.32 23.19 11.172 4.167 208.06 264.87 226.08 136.49 82.53 22.34 9.703 6.250 171.70 242.61 216.70 133.44 79.47 18.97 8.854 8.333 169.90 218.18 211.22 129.96 53.44 15.70 7.905 10.417 162.74 197.31 202.26 126.69 53.33 13.17 5.596 12.500 162.53 185.82 201.52 126.16 48.69 10.96 4.017 14.583 156.20 175.17 199.31 125.64 46.06 10.65 3.488 16.667 149.67 169.48 191.19 122.58 43.42 8.85 2.749 18.750 148.82 168.64 191.19 120.16 42.05 8.22 2.53

10 20.833 146.51 167.27 184.03 119.84 41.42 7.80 2.4211 22.917 145.87 166.43 178.55 114.77 40.68 7.27 1.9012 25.000 138.81 160.63 178.34 112.14 30.46 5.80 1.2613 27.083 138.39 159.68 173.70 111.09 28.88 5.23 1.1614 29.167 136.07 159.26 170.54 110.46 28.14 3.16 1.0515 31.250 135.75 155.89 156.73 110.14 25.93 2.21 0.9516 33.333 133.75 147.24 156.52 107.72 22.13 2.21 0.8417 35.417 133.01 140.71 153.78 106.98 21.29 2.00 0.6318 37.500 129.64 139.02 150.72 99.71 21.19 1.90 0.5319 39.583 128.90 125.00 150.19 90.43 20.87 1.35 0.5320 41.667 127.74 119.00 142.71 84.21 20.66 1.16 0.3221 43.750 127.53 111.30 128.38 79.47 19.71 0.74 0.3222 45.833 127.32 108.98 126.48 78.94 18.87 0.42 0.3023 47.917 124.06 108.46 126.37 76.31 18.76 0.32 0.0024 50.000 115.94 103.08 124.79 76.10 17.92 0.00 0.0025 52.083 110.25 100.13 120.68 75.15 14.97 0.00 0.0026 54.167 107.72 100.02 115.94 74.20 14.44 0.00 0.0027 56.250 105.50 95.81 112.67 72.51 14.44 0.00 0.0028 58.333 95.18 95.07 109.19 71.67 12.02 0.00 0.0029 60.417 95.18 90.64 105.72 66.19 9.38 0.00 0.0030 62.500 94.54 89.48 105.29 60.08 8.85 0.00 0.0031 64.583 93.91 87.06 103.71 57.02 8.43 0.00 0.0032 66.667 88.75 84.00 102.34 55.12 8.22 0.00 0.0033 68.750 88.75 83.90 91.70 54.39 7.27 0.00 0.0034 70.833 83.90 81.05 90.12 50.06 7.27 0.00 0.0035 72.917 83.48 80.84 85.48 47.01 6.43 0.00 0.0036 75.000 77.05 80.31 75.68 46.27 6.22 0.00 0.0037 77.083 72.51 77.68 75.15 43.32 5.69 0.00 0.0038 79.167 67.46 63.87 69.04 42.16 3.16 0.00 0.0039 81.250 65.35 63.35 66.93 42.05 3.06 0.00 0.0040 83.333 57.02 61.55 61.87 41.32 2.53 0.00 0.0041 85.417 53.23 59.97 60.82 40.05 1.90 0.00 0.00

42 87.500 51.54 57.86 45.11 31.30 1.79 0.00 0.0043 89.583 51.22 55.65 41.42 30.36 0.53 0.00 0.0044 91.667 44.37 53.75 39.42 26.35 0.00 0.00 0.0045 93.750 31.30 33.94 35.10 12.54 0.00 0.00 0.0046 95.833 16.23 31.30 27.61 6.22 0.00 0.00 0.0047 97.917 11.28 14.97 21.82 0.00 0.00 0.00 0.00

ENE FEB MAR ABR MAY JUN JULPrec.tot. mensual al 75% 77.05 80.31 75.68 46.27 6.22 0.00 0.00

Increm. P.E. Interpolado 0.83 0.82 0.83 0.92 0.05 0.00 0.00

Precip.efectiva (mm) 64.54 67.01 63.49 38.68 0.06 0.00 0.00

CUADRO DE DISTRIBUCIÓN DE FRECUENCIAS (Ordenados en forma descendente en cada mes)

AGO SET OCT NOV DIC30.36 78.52 183.82 128.90 193.8323.82 71.88 162.32 128.59 193.2023.19 70.09 152.62 124.58 184.4522.66 65.66 135.65 123.84 167.1619.08 58.39 128.38 123.11 147.6615.07 55.76 125.43 120.47 143.3414.33 50.59 122.05 112.14 141.6613.49 42.05 112.57 110.25 140.1812.54 41.32 106.66 104.66 138.3910.96 38.15 100.66 102.03 133.7510.43 37.63 95.07 97.92 133.3310.12 37.22 92.44 86.85 128.808.54 37.00 85.69 85.16 119.106.96 36.05 85.58 73.04 113.306.22 33.41 85.27 66.30 106.355.80 33.41 66.61 65.77 104.355.59 30.04 61.97 64.40 99.814.53 27.61 61.24 63.98 94.543.79 25.61 59.23 63.56 92.543.79 24.98 58.50 59.02 84.533.06 23.82 56.60 55.23 82.631.37 23.61 56.49 53.23 81.901.37 22.24 49.72 53.02 69.991.16 21.29 47.80 51.96 63.030.95 19.57 46.27 50.38 61.340.74 18.76 41.95 50.06 60.080.63 16.55 41.00 49.01 58.710.63 14.86 40.89 47.96 57.860.00 13.81 40.79 44.90 57.550.00 13.39 40.26 36.78 57.130.00 12.65 39.52 36.36 54.390.00 10.12 38.05 33.10 53.860.00 10.01 33.83 32.25 53.230.00 9.38 32.46 28.77 52.810.00 8.54 28.25 26.88 47.010.00 7.48 26.24 26.67 43.850.00 5.69 25.61 26.35 38.900.00 5.38 24.45 25.09 38.790.00 4.85 23.82 20.03 36.260.00 4.53 21.08 20.03 33.310.00 4.43 19.39 19.60 31.94

0.00 4.43 17.50 16.55 13.280.00 3.79 15.60 12.54 12.540.00 0.00 12.54 9.38 10.650.00 0.00 10.43 7.48 10.650.00 0.00 0.00 6.75 8.540.00 0.00 0.00 0.00 0.00AGO SET OCT NOV DIC0.00 7.48 26.24 26.67 43.85

0.00 0.09 0.81 0.82 0.92

0.00 0.23 17.15 17.84 36.52

TABLA DE PRECIP. EFECTIVA

Distribución de la precipitación efectiva

según Warter Power Service (WPS-USA)

Incremento de precipitación Suma de losprecipitación efectiva productos de

(mm) % diferencias0.00 0 0.005.00 0 0.00

30.00 95 23.7555.00 90 46.2580.00 82 66.75

105.00 65 83.00130.00 45 94.25155.00 25 100.50155.00 5 100.50

TABLA 1: TABLA 2:

COEFIC. CULTIVO "Kc" PARA SU EMPLEO EN FORM. HARGREAVES FACTOR DE EVAPOTRANSPIRACIÓN "MF" EN mm POR MES

% DE G R U P O D E C U L T I V O S LAT.

CRECIM. A B C D E F G H SUR ENE

0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 2.788

5 0.20 0.15 0.12 0.08 1.00 0.60 0.55 0.90 2 2.371

10 0.36 0.27 0.22 0.15 1.00 0.60 0.60 0.92 3 2.353

15 0.50 0.38 0.30 0.19 1.00 0.60 0.65 0.95 4 2.385

20 0.64 0.48 0.38 0.27 1.00 0.60 0.70 0.98 5 2.416

25 0.75 0.56 0.45 0.33 1.00 0.60 0.75 1.00 6 2.447

30 0.84 0.63 0.50 0.40 1.00 0.60 0.80 1.03 7 2.478

35 0.92 0.69 0.55 0.46 1.00 0.60 0.85 1.06 8 2.508

40 0.97 0.73 0.58 0.52 1.00 0.60 0.90 1.08 9 2.538

45 0.99 0.74 0.60 0.58 1.00 0.60 0.95 1.10 10 2.567

50 1.00 0.75 0.60 0.65 1.00 0.60 1.00 1.10 11 2.596

55 1.00 0.75 0.60 0.71 1.00 0.60 1.00 1.10 12 2.625

60 0.99 0.74 0.60 0.77 1.00 0.60 1.00 1.10 13 2.652

65 0.96 0.72 0.58 0.82 1.00 0.60 0.95 1.10 14 2.680

70 0.91 0.68 0.55 0.88 1.00 0.60 0.90 1.05 15 2.707

75 0.85 0.64 0.51 0.90 1.00 0.60 0.85 1.00 16 2.734

80 0.75 0.56 0.45 0.90 1.00 0.60 0.80 0.95 17 2.760

85 0.60 0.45 0.36 0.80 1.00 0.60 0.75 0.90 18 2.785

90 0.46 0.35 0.28 0.70 1.00 0.60 0.70 0.85 19 2.811

95 0.28 0.21 0.17 0.60 1.00 0.60 0.55 0.80 FUENTE : FAO

100 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.86 2.53

GRUPO A: Frijol, maíz, algodón , papas, remolacha, tomateGRUPO B: Olivo, durazno, nogal, frutales caducosGRUPO C: Hortalizas, vid, almendrosGRUPO D: Espárragos, cerealesGRUPO E: Pastos, trebol, cultivos de cobertura y plátanoGRUPO F: Naranjo, limón, toronja y otros cítricosGRUPO G: Caña de azucar, alfalfaGRUPO H: Arroz

FUENTE: JORGE ALFREDO LUQUE.- HiIdrología Agrícola Aplicada,

Edic. Hemisferio Sur S.A. 1981 Pag. 175

FACTOR DE EVAPOTRANSPIRACIÓN "MF" EN mm POR MES

MESES

FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC

2.117 2.354 2.197 2.137 1.990 2.091 2.216 2.256 2.358 2.234 2.265

2.136 2.357 2.182 2.108 1.956 2.050 2.194 2.251 2.372 2.263 2.301

2.154 2.360 2.167 2.079 1.922 2.026 2.172 2.246 2.386 2.290 2.337

2.172 2.362 2.151 2.050 1.888 1.993 2.150 2.240 2.398 2.318 2.372

2.189 2.363 2.134 2.020 1.854 1.960 2.126 2.234 2.411 2.345 2.407

2.205 2.363 2.117 1.980 1.820 1.976 2.103 2.226 2.422 2.371 2.442

2.221 2.363 2.099 1.959 1.785 1.893 2.078 2.218 2.433 2.397 2.476

2.237 2.362 2.081 1.927 1.750 1.858 2.054 2.210 2.443 2.423 2.510

2.251 2.360 2.062 1.896 1.715 1.824 2.028 2.201 2.453 2.448 2.544

2.266 2.357 2.043 1.864 1.679 1.789 2.003 2.191 2.462 2.473 2.577

2.279 2.354 2.023 1.832 1.644 1.754 1.976 2.180 2.470 2.497 2.610

2.292 2.350 2.002 1.799 1.608 1.719 1.950 2.169 2.477 2.520 2.643

2.305 2.345 1.981 1.767 1.572 1.684 1.922 2.157 2.484 2.543 2.675

2.317 2.340 1.959 1.733 1.536 1.648 1.895 2.144 2.490 2.566 2.706

2.328 2.334 2.937 1.700 1.500 1.612 1.867 2.131 2.496 2.588 2.738

2.339 2.327 1.914 1.666 1.464 1.576 1.838 2.117 2.500 2.610 2.769

2.349 2.319 1.891 1.632 1.427 1.540 1.809 2.103 2.504 2.631 2.799

2.359 2.311 1.867 1.598 1.391 1.504 1.780 2.088 2.508 2.651 2.830

2.368 2.302 1.843 1.564 1.354 1.467 1.750 2.072 2.510 2.671 2.859

2.249 2.36 2.065 1.9 1.72 1.829 2.03 2.202 2.452 2.444 2.539

8.000 51 21.4951.3581667 0.358166678.85596944

DETERMINACION DE LA DEMANDA HIDRICA DEL PROYECTO DE RIEGO

a.- CEDULA DE CULTIVO :

Cultivo Area(Ha) ENE FEB MAR ABRPapa 6.00Maiz 4.00 xxxxx xxxxx xxxxx xxxxx

Trigo 5.00 xxxxx xxxxx xxxxx xxxxxArveja 11.00 xxxxx xxxxxAlfalfa 15.00 xxxxx xxxxx xxxxx xxxxx

Total 41.00 24 24 35 35

b.- COEFICIENTE Kc :

Cultivo Area(Ha) ENE FEB MAR ABR

Papa 6.00

Maiz 4.00 0.58 0.77 0.90 0.70

Trigo 5.00 0.08 0.27 0.46 0.58

Arveja 11.00 0.20 0.75

Alfalfa 15.00 1.00 1.00 1.00 1.00

Total : 41 24.00 24.00 35.00 35.00

Kc Ponderado : 0.74 0.81 0.66 0.83

2.- CALCULO DE LA EVAPOTRANSPIRACION POTENCIAL Y REAL (Etp - Etr):

Para la Zona Sierra este Mètodo HARGREAVES se adecua en forma òptima.

El calculo de la Evapotranspiración Pot. se realizara con el método de HARGREAVES. La fórmula a utilizar es:

Donde:

Etp = Evapotranspiración potencial en mm/ mes. CH = Factor de corrección por humedad relativa del aire.

TMF = Temperatura media mensual en °F. CH = 0.166 x (100 - HR)^0.5 si HR > 64%

CE = Factor de corrección por altitud. CH = 1.00 si HR < 64%

2000

UBICACIÒN

LATITUD LONGITUD ALTITUD

" S " " W " m.s.n.m

08º 51' 21.49" 71º 55' 48.25" 3159.00

Los cálculos del la Evapotranspiracion Potencial se encuentra en el siguiente Cuadro:

VARIABLES ENE FEB MAR ABRDIAS 31 28 31 30

1. CALCULO DEL USO CONSUNTIVO

CE = 1 + 0.04 x (Alltitud (m.s.n.m.))

T ( °C) 14.20 14.10 13.90 13.50TMF (ºF) 57.56 57.38 57.02 56.30HR (%) 71.00 74.00 76.00 75.00

CH 0.894 0.846 0.813 0.830CE 1.063 1.063 1.063 1.063MF 2.53 2.25 2.36 2.06

ETP (mm/mes) 138.61 116.13 116.36 102.58ETP (mm/dia) 4.47 4.15 3.75 3.42

3.- CALCULO DE LA DEMANDA DE AGUA Y MODULO DE RIEGO

VARIABLES ENE FEB MAR ABRDias 31.00 28.00 31.00 30.00Etp (mm/mes) 138.61 116.13 116.36 102.58Kc ponderado 0.74 0.81 0.66 0.83Etr (mm/mes) 102.34 94.02 76.80 84.85Etr (mm/dia) 3.30 3.36 2.48 2.83Precipitac. al 75% (mm/mes) 77.05 80.31 75.68 46.27Pp Efec (mm/mes) 64.54 67.01 63.49 38.68Dem. Neta Agua (mm/mes) 37.80 0.00 0.00 46.17Dem. Neta Agua (mm/dia) 1.22 0.00 0.00 1.54

Eficiencia de Riego (%) * 0.40 0.40 0.40 0.40Dem. real Agua (mm/mes) 94.50 0.00 0.00 115.43Dem. real Agua (mm/dia) 3.05 0.00 0.00 3.85Dem. Proyecto (m3/Ha) 945.04 0.00 0.00 1154.25Dem. Proyecto (m3) 22680.94 0.00 0.00 40398.75Dem Proy. (Lit/seg) 8.47 0.00 0.00 15.59Mod. Riego 0.21 0.00 0.00 0.38* Eficiencia de riego para riego por gravedad

Caudal de diseño es : Q = 35.31Modulo de riego para el proyecto es 0.86Dem. Neta maxima de Agua diaria 3.69

DETERMINACION DE LA DEMANDA HIDRICA DEL PROYECTO DE RIEGO

MAY JUN JUL AGO SEP OCT

xxxxx xxxxx xxxxx xxxxx xxxxx

xxxxx

xxxxx xxxxx xxxxx

xxxxx xxxxx xxxxx xxxxx

xxxxx xxxxx xxxxx xxxxx xxxxx xxxxx

37 37 37 32 21 19

MAY JUN JUL AGO SEP OCT

0.36 0.84 1.00 0.91 0.46

0.08

0.77 0.90 0.70

0.97 1.00 0.85 0.46

1.00 1.00 1.00 1.00 1.00 1.00

37.00 37.00 37.00 32.00 21.00 19.00

0.86 0.96 0.91 0.80 0.85 0.81

El calculo de la Evapotranspiración Pot. se realizara con el método de HARGREAVES. La fórmula a utilizar es: Etp = MF x TMF x CH x CE

CH = Factor de corrección por humedad relativa del aire. TMF = Temperatura media mensual en °F.

CH = 0.166 x (100 - HR)^0.5 si HR > 64% HR = Humedad relativa media mensual en porcentaje.

CH = 1.00 si HR < 64%

MAY JUN JUL AGO SEP OCT31 30 31 31 30 31

13.50 12.80 12.90 13.50 14.40 14.3056.30 55.04 55.22 56.30 57.92 57.7470.00 62.00 63.00 61.00 66.00 72.000.909 1.023 1.010 1.037 0.968 0.8781.063 1.063 1.063 1.063 1.063 1.0631.90 1.72 1.83 2.03 2.20 2.45

103.43 103.00 108.42 126.07 131.27 132.193.34 3.43 3.50 4.07 4.38 4.26

MAY JUN JUL AGO SEP OCT31.00 30.00 31.00 31.00 30.00 31.00

103.43 103.00 108.42 126.07 131.27 132.190.86 0.96 0.91 0.80 0.85 0.81

88.56 98.93 99.19 100.54 111.02 106.592.86 3.30 3.20 3.24 3.70 3.446.22 0.00 0.00 0.00 7.48 26.240.06 0.00 0.00 0.00 0.23 17.15

88.50 98.93 99.19 100.54 110.78 89.442.85 3.30 3.20 3.24 3.69 2.89

0.40 0.40 0.40 0.40 0.40 0.40221.25 247.33 247.97 251.36 276.95 223.60

7.14 8.24 8.00 8.11 9.23 7.212212.54 2473.32 2479.70 2513.60 2769.52 2236.00

81863.85 91512.70 91748.74 80435.07 58159.93 42484.0230.56 35.31 34.26 30.03 22.44 15.86

0.75 0.86 0.84 0.73 0.55 0.39

Lit/segLit/seg/Hamm/dia

DETERMINACION DE LA DEMANDA HIDRICA DEL PROYECTO DE RIEGO

NOV DIC DatoResultad

xxxxx xxxxx FijoJalado

xxxxx xxxxx corregir

19 19

NOV DIC

0.27 0.46

1.00 1.00

19.00 19.00

0.85 0.89

HR = Humedad relativa media mensual en porcentaje.

NOV DIC30 31

13.90 14.0057.02 57.2068.00 68.000.939 0.9391.063 1.0632.44 2.54

139.15 145.004.64 4.68

NOV DIC30.00 31.00 Dato

Le

yen

da139.15 145.00 Resultado

0.85 0.89 Fijo117.77 128.52 Jalado

3.93 4.15 corregir26.67 43.8517.84 36.5299.93 91.99

3.33 2.97

0.40 0.40249.82 229.99

8.33 7.422498.21 2299.87

47466.08 43697.5518.31 16.31

0.45 0.40

Le

yen

da