Estudio de los sedimentos del sector donde convergen los ríos Daule y Babahoyo, y las posibles causas que están formando un nuevo islote en ese sector
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Estudio de los sedimentos del ...
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Author
Soledispa, B.Date
2002
Metadatos
Mostrar el registro completo del ítemAbstract
Los objetivos de este artículo son: - Caracterizar el área de estudio en base a los tipos de sedimentos que predominan en el sector, a su distribución aproximada en el mismo, así como a su posible proveniencia. - Determinar la carga de sedimentos en suspensión que transportan los ríos. - Determinar las posibles causas que están originando la formación de una nueva isla en la desembocadura del Río Daule.A study of 25 surfaces marine sediments samples of bottom was perfomed in the convergence of the Daule and Babahoyo rivers. It shows the principal characteristics of the sediments based upon granulometric analysis and statistical parameters. It determined that the sand, classified poorly, and positive assymetrical is predominant in the area of outlet of the Daule River, with a porcentage between 79 and 99% of same material. On the other hand, in the area of outler of the Babahoyo River the predominant material is the silt, of median grain, with a percentage between 64 and 87%. Also it observed muddy material, that is to say, a mixture of silt and sand but in small patches. The rivers of the area of study transport high quantity of sediments in suspension. As to sediments of the islet in formation, from the center toward the north, there is a layer of mud of 1 to 2.50 meters, that lies on sand. Between the possible causes that are forming the islet in the outlet of the Daule River are: The high quantity of sediment carried by the rivers, due to the torrential rains that are produced during an event El Niño; as well as the deforestation, mainly in the high and middle part of the basin of the Daule.
Journal
Acta Oceanográfica del PacíficoVolume
11Issue/Article Nr
1Publisher or University
Instituto Oceanográfico de la Armada, Guayaquil, EcuadorColecciones