California Coastal Current
The waters along the west coast of North America are some of the most biologically productive in the world. Cool water from high latitudes flows southward from the edge of British Columbia to Baja; this is the California Current.
Long-term solution sought to problem of Ocean Beach erosion
Every few years, caravans of yellow trucks move thousands of tons of sand from the north end of San Francisco’s Ocean Beach to eroded areas at the south end. And almost immediately, the silvery tide begins carrying it back to where it came from.