Evapotranspiración del cultivo. Coeficiente de cultivo.
Ejercico Etc 1. Dada la siguiente información (sacada de -www.crea.uclm.es- Centro Regional de Estudios del Agua. Universidad de Castilla-La Mancha). Se desea calcular la evapotranspiración del cultivo en la quincena del 1 al 15 de Julio del 2006. Para el cultivo del maiz en Toledo se adjunta la evolución del valor de Kc.
Pasos:
1. Estime el valor de Kc
2. Obtenga la Etc para esos 15 días (ET del cultivo) = Eto*Kc
Vegas de San Antonio TOLEDO |
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01/07/2006//15/07/2006 |
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FECHA |
Tm |
TMA |
tma |
Hr |
Hrmax |
Hrmin |
RS |
V |
HS |
P |
ET0 |
ºC |
ºC |
ºC |
% |
% |
% |
MJ/m2 |
m/s |
horas |
mm |
mm |
|
01/07/2006 |
25.7 |
36.2 |
14.6 |
33.1 |
68.9 |
12.6 |
29.92 |
1.4 |
12.6 |
0.0 |
6.9 |
02/07/2006 |
25.8 |
34.3 |
15.1 |
32.9 |
63.5 |
10.4 |
32.05 |
2.0 |
13.7 |
0.0 |
7.8 |
03/07/2006 |
23.9 |
32.5 |
14.7 |
38.8 |
76.5 |
15.0 |
32.62 |
2.1 |
13.7 |
0.0 |
7.5 |
04/07/2006 |
23.6 |
31.7 |
14.2 |
40.1 |
70.7 |
21.4 |
30.42 |
1.9 |
13.7 |
0.0 |
6.9 |
05/07/2006 |
23.8 |
31.5 |
14.0 |
42.1 |
72.1 |
20.6 |
31.33 |
1.7 |
13.5 |
0.0 |
6.8 |
06/07/2006 |
26.3 |
34.0 |
16.7 |
32.5 |
69.0 |
13.6 |
31.48 |
1.3 |
13.4 |
0.0 |
6.8 |
07/07/2006 |
27.6 |
36.1 |
19.4 |
31.1 |
50.1 |
12.8 |
31.20 |
1.9 |
13.5 |
0.0 |
7.9 |
08/07/2006 |
28.9 |
38.0 |
19.1 |
32.9 |
56.3 |
14.0 |
30.80 |
1.9 |
13.4 |
0.0 |
8.0 |
09/07/2006 |
29.9 |
40.0 |
17.1 |
30.8 |
71.0 |
12.4 |
30.59 |
1.2 |
13.4 |
0.0 |
7.2 |
10/07/2006 |
29.9 |
40.0 |
20.1 |
28.3 |
55.2 |
11.2 |
26.68 |
1.5 |
13.0 |
0.0 |
7.3 |
11/07/2006 |
29.5 |
41.1 |
18.6 |
31.1 |
68.2 |
10.5 |
19.79 |
1.4 |
11.5 |
0.0 |
6.4 |
12/07/2006 |
30.3 |
39.0 |
19.1 |
28.2 |
58.9 |
12.4 |
27.45 |
2.5 |
12.0 |
0.0 |
8.6 |
13/07/2006 |
30.9 |
38.2 |
21.6 |
26.8 |
74.7 |
11.2 |
25.68 |
2.9 |
13.1 |
3.4 |
8.6 |
14/07/2006 |
27.7 |
35.1 |
21.5 |
43.4 |
75.6 |
18.2 |
24.10 |
2.3 |
11.9 |
0.8 |
7.2 |
15/07/2006 |
28.5 |
37.1 |
19.2 |
38.1 |
76.0 |
15.8 |
25.56 |
1.4 |
12.7 |
0.0 |
6.5 |
Tm
= Temperatura media
TMA = Temperatura Máxima absoluta
tma
= temperatura mínima absolula
Hr = Humedad relativa
Hrmax
= Humedad relativa máxima
Hrmin = Humedad relativa
mínima
RS = Radiación Solar media
V =
Velocidad media del viento
HS = Horas de Sol
P =
Precipitación
ET0
= Evapotranspiración de referencia
Tags: cultivo en, el cultivo, cultivo, coeficiente, evapotranspiración, ejercico