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Updated: Jul 12, 2026

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Morris Water Maze Experiment
Published on: September 24, 2008
Río Delaware: evidencia de su antigua extensión al cañón submarino de Wilmington
Resumen
Durante el Pleistoceno, el río Delaware tallado un valle a través de la plataforma continental, vaciando en Wilmington Submarine Canyon. Este antiguo lecho fluvial está ahora enterrado y es anterior a la formación actual del cañón.
Área de la Ciencia:
- Geología Geología Geología.
- Geomorfología Geomorfología.
- Oceanografía La oceanografía es la oceanografía.
Sus antecedentes:
- El curso histórico del río Delaware y su impacto en la morfología de la plataforma continental no se entienden completamente.
- Los cañones submarinos pueden alterar significativamente los entornos de las plataformas y pendientes.
Objetivo del estudio:
- Para investigar el curso de la era del Pleistoceno del río Delaware.
- Para identificar el valle ancestral del río Delaware en la plataforma continental.
- Para determinar la relación entre el valle del río ancestral y el cañón submarino de Wilmington.
Principales métodos:
- Análisis de perfiles de reflexión sísmica de la plataforma continental al este de la bahía de Delaware.
Principales resultados:
- Los datos sísmicos revelan un valle ancestral enterrado, de 38 km de ancho con 1030 m de relieve, que se extiende a través de la plataforma continental.
- Este valle sirvió como la ruta de salida para el río Delaware durante el Pleistoceno.
- El río desemboca en el Cañón Submarino de Wilmington.
Conclusiones:
- El curso del río Delaware en el Pleistoceno fue significativamente diferente de su trayectoria actual.
- El valle ancestral es anterior a la formación del actual cañón submarino de Wilmington.
- El valle enterrado representa una característica paleo-geomórfica significativa en la plataforma continental del Atlántico.
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