
Velocidades superficiales de las aguas fueron medidas en la Bahía chile en la Isla Greenwich, como parte de la Segunda Expedición Ecuatoriana a la Antártida, durante el verano del hemisferio sur, en 1990. Masas de hielo a la deriva desprendidas desde la costa fueron usadas como trazadores lagrangianos. Son comparadas corrientes superficiales y observaciones de vientos. La circulación superficial es determinada por los vientos cuando la velocidad de estos últimos exceden los 6 m/s. Los valores máximos y la dirección de la deriva superficial dependen exclusivamente del campo de viento prevaleciente. La velocidad de la corriente puede alcanzar valores de hasta 40 cm/s.
Surface water velocities have been measured at Chile Bay, Greenwich Island, as part of the Second Ecuadorian Antarctic Scientific Expedition, during the southern summer, 1990. Drifting ice floes broken from shore were used as a lagrangian tracer. Surface currents and wind observations are compared. Surface circulation is determined by winds, when the wind speed is higher than 6 m/s. Maximun values and direction of the surface drift current depend exclusively upon the actually prevailing wind field. Current speed may reach up to 40 cm/s.
Published
Surface circulation, Surface currents, Polar waters, Surface water, Ice drift, Surface drifters
Surface circulation, Surface currents, Polar waters, Surface water, Ice drift, Surface drifters
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