Are the continental margins surrounding the Atlantic Ocean primarily active or passive? How about the margins surrounding the Pacific Ocean? Based on your response to the foregoing questions, indicate whether each ocean basin is getting larger, shrinking, or staying the same size. Explain your answer
October 13, 2016 Lecture 15 Upwelling, Downwelling, & Density Currents - Things to Remember o Surf Zone: where waves interact with the shore o When waves come ashore They slow down The wavelength decreases They stand up on the bottom They eventually break o When waves hit the shore at an angle, we get Longshore currents (the water) Longshore transport (the sand) o Longshore transport acts to straighten curved coasts o Longshore transport is generally toward the equator o Effects of dams and seawalls on beaches - Biggest current on Earth: Antarctic Circumpolar Current
