Lake Chapala and the Cienega aquifer: Chemical evidence of hydraulic communication
A hydraulic communication mechanism between Lake Chapala and the Cienega de Chapala aquifer system is proposed. The lake is a recharge area and a potential source of aquifer pollution. In 1910, 56 % of the Cienega was occupied by the lake. The communication hypothesis is supported by piezometry, pho...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2002 |
| País: | México |
| Institución: | UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO |
| Repositorio: | Geofísica Internacional |
| Idioma: | español |
| OAI Identifier: | oai:revistagi.geofisica.unam.mx:article/755 |
| Acceso en línea: | http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/755 |
| Access Level: | acceso abierto |
| Palabra clave: | Lago de Chapala Ciénega de Chapala fosfatos Lake Chapala Chapala "Cienega" |
| Sumario: | A hydraulic communication mechanism between Lake Chapala and the Cienega de Chapala aquifer system is proposed. The lake is a recharge area and a potential source of aquifer pollution. In 1910, 56 % of the Cienega was occupied by the lake. The communication hypothesis is supported by piezometry, phosphate and chlorine gradients that suggest flows from the lake to the aquifer.The high content of clay in the shallow layers controls the agriculture phosphate leakage. A proposed mixed functional model is based on the aquifer hydrostratigraphic model, the main recharge mechanisms and the chemical and piezometrical tendencies. |
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