2.Compare and contrast: Currents-waves 3.How is surface current different from a current near the coast? 4.Compare the types of tides.
Answers 1. Waves: A wave is the up and down movement of surface water Tsunami: A very large ocean wave caused by an underwater earthquake or volcanic eruption. Tide: The rise and fall of the water level of the water in the ocean. Storm Surage: The mound of water that pushes onto shore in a hurricane El niño:A warming of the surface water of the eastern and central Pacific Ocean, occurring every 4 to 12 years and causing unusual global weather patterns. An El Niño is said to occur when the trade winds that usually push warm surface water westward weaken, allowing the warm water to pool.
2. 3. If the winds don’t blow toward the west the warm surface water, stays near the coast. The deep, cold currents don’t reach the surface, and the coastal water stays very warm. 4.