Modelo de distribución de agua en suelo regado por goteo

Francisco Ramírez de Cartagena Bisbe

Spain

Universitat de Girona

Miguel A. Sáinz Sánchez

Spain

Universitat de Girona

Enviado: 08-05-2014

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Aceptado:

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Publicado: 31-03-1997

DOI: https://doi.org/10.4995/ia.1997.2716
Datos de financiación

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Palabras clave:

Ingeniería del agua, Ingeniería civil, Ingeniería hidráulica

Agencias de apoyo:

Esta investigación no contó con financiación

Resumen:

Se desarrolla un modelo de simulación de la dinámica del agua en el suelo en riego localizado, denominado SIMDAS. Para el desarrollo del procedimiento numérico, se utiliza la teoría de flujo de agua en condiciones de no saturación, sin efecto histerético, resolviendo la ecuación de flujo axisimétrico sin y con extracción de agua por la planta a partir de un método en diferencias finitas, con la consideración de los distintos horizontes del suelo. Verificado el modelo en campo, los resultados que presenta son satisfactorios cuando no se contempla la presencia de cultivo, pero no lo son cuando interviene la extracción de agua por la planta. Por consiguiente, el grado de aceptabilidad es suficiente para fines de diseño agronómico de sistemas de riego localizado, pero no lo es para aquellos casos en que la extracción de agua por la planta interviene de manera destacada, como en el manejo y la programación de riegos.
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