Palabras clave
modelo analítico MIM
ensayo trazador
manantial
hidrogeología
Fractured aquifer
analytic model MIM
tracer test
spring
hydrogeology
Cómo citar
Resumen
En este trabajo se aplicó el modelo de transporte MIM 1D para simular de manera satisfactoria el comportamiento asimétrico observado en las curvas de llegada de tres ensayos de trazador en condición de gradiente natural realizados en un acuífero libre desarrollado en lavas fracturadas. Los parámetros de transporte obtenidos a partir del empleo de un programa de computador (que permitió ajustar los datos de campo con una curva teórica), sugieren que solamente el 50% de la porosidad total contribuyó efectivamente al transporte advectivo-dispersivo (fracción móvil), y que el otro 50% se comportó como un reservorio transitorio para el trazador (fracción inmóvil), siendo liberado o transferido hacia la fracción móvil de manera gradual. Los valores de los parámetros representativos del modelo MIM obtenidos en este trabajo, así como las propiedades hidráulicas estimadas para el acuífero se encuentran dentro del rango de valores reportados por otros autores. Esto es, a pesar de las limitaciones en la cantidad y calidad de información de campo disponible fue posible establecer un marco conceptual y numérico para explicar la asimetría observada en los tres ensayos.Citas
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