balance hidrologico.pptx
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Transcript of balance hidrologico.pptx
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Ciclo hidrológico
Superficieoceánica
Precipitación
Escurrimientoy almacenamiento
Infiltración Evapotranspiración
EvaporaciónPrecipitación
Precipitación
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El balance hidrológico climático resulta de la diferencia entre el agua que llega a la superficie por precipitaciones y la que sale por evaporación directa del suelo y transpiración de las plantas. Si el ingreso es mayor hay balance positivo.
Precipitación (P): Se mide por la altura que alcanzaría sobre una superficie plana y horizontal, antes de sufrir pérdidas. Para determinarla se usan los pluviómetros y la unidad de precipitación es el milímetro de altura (1 mm).Evapotranspiración (ET): Se determina mediante cálculos basados en la temperatura y humedad de la atmósfera y del suelo.
Escurrimiento superficial o directo (ED): Se determina por aforos de cursos fluviales.
Escurrimiento subterráneo o base (ES): Se calcula por diferencia, una vez conocidos los demás términos del balance hídrico, o por cálculos y experiencias basados en la porosidad y permeabilidad de diferentes rocas
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Precipitación
Infiltración
Flujo superficial
Flujo subterráneo
Divisoria de aguas
Intercepción
Ciclo hidrológico en una cuenca
Evapotranspiración
Interflujo
Nivel freático
Divisoria de aguas
Río
Agua subterráneaAgua subterránea
Nivel freático
Interflujo
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E F M A M J J A S O N D A
EP 141 117 101 66 42 23 24 36 60 83 114 136 943
P 178 153 152 69 31 16 9 10 15 66 103 153 955
PEP 37 36 51 3 -11 -7 -15 -26 -45 -17 -11 17 +144-132
AAU 54 90 100 (100) 89 82 67 41 0 0 0 17
VAAU 37 36 10 0 -11 -7 -15 -26 -41 0 0 17 +100-100
Exc 0 0 41 3 0 0 0 0 0 0 0 0 44
Def 0 0 0 0 0 0 0 0 4 17 11 0 32
ER 141 117 101 66 42 23 24 36 56 66 103 136 911
RH 0,26 0.3 0.5 0.45 -0.3 -0.3 -0.6 -0.7 -0.7 -0.2 -0.09 0.12
San Miguel de Tucumán Lat: 26º 48’
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E F M A M J J A S O N D A
EP 138 110 98 65 39 26 25 36 63 93 110 136 939
P 168 144 137 51 18 12 4 3 7 50 89 127 810
P-EP 30 34 39 -14 -21 -14 -21 -33 -56 -43 -21 -9 +103-232
AAU 30 64 100 86 65 51 30 0 0 0 0 (0)
VAAU 30 34 36 -14 -21 -14 -21 -30 0 0 0 0 +100-100
Exc 0 0 3 0 0 0 0 0 0 0 0 0 3
Def 0 0 0 0 0 0 0 3 56 43 21 9 132
ER 138 110 98 65 39 26 25 33 7 50 89 127 807
RH 0.21 0.31 0.39 -0.2 -0.54 -0.54 -0.84 -0.92 -0.9 -0.5 -0.19 -0.07
Benjamín Aráoz Lat: 26º 65’
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020406080
100120140160180200
J A S O N D E F M A M J J
MM
MESES
BALANCE HIDROLÓGICO DE TUCUMÁN
EP P
HSU
Def …
RH
Exc
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BALANCE HIDROLÓGICO DE BENJAMÍN ARAOZ
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100
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J A S O N D E F M A M J J
MESES
MM
EP P
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