INVESTIGADORES
GARCIA RODRIGUEZ carlos marcelo
congresos y reuniones científicas
Título:
Field measurements of gravity currents in the Chicago River, Illinois, USA
Autor/es:
GARCÍA, C.M.; JACKSON, P.R; OBERG, K.,; JOHNSON K.,; GARCÍA M.H.
Lugar:
Santa Fe, Argentina.
Reunión:
Workshop; Workshop On Morphodynamic Processes In Large Lowland Rivers; 2007
Institución organizadora:
Facultad de Ingeniería y Ciencias Hidricas, Universidad Nacional del Litoral.
Resumen:
During the winter months, the Chicago River in Chicago, Illinois, USA, is subject to bidirectionalflows, and gravity currents are thought to be responsible for such flow behavior. The occurrence, frequency, and evolution of gravity currents in the Chicago River have been described using a unique set of field observations made using an upward-looking acoustic Doppler current profiler (ADCP) during the period 11/20/2003 to 2/1/2004. In addition, detailed field observations performed on December 2005, based on both ADCP and water-quality measurements, are employed to validate hypotheses about the characteristics of the currents and the source of the denser water. Observations indicate bi-directional flow is a common condition in the Chicago River system, and that density differences driving the gravity currents are mostly due to salinitydifferences between the North Branch and the main stem of the Chicago River.Conference topic: Field and Laboratory Measurement Methods.
