Reports

Currents in La Jolla and Scripps Submarine Canyons

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Science  11 Jul 1969:
Vol. 165, Issue 3889, pp. 177-178
DOI: 10.1126/science.165.3889.177

Abstract

Velocities up to 34 centimeters per second have been recorded near the floors of submarine canyons off La Jolla, California. Currents move alternately down- and upcanyon with variable periods. All 3- to 6-day measurements show net current transport downcanyon. Many of the downcanyon currents of higher velocity correlate with ebbing tides, as measured at the nearby pier. Other factors producing the currents probably include internal waves. Velocities are sufficient to transport large quantities of fine sand.

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