Review Sheet for Oceanography Test

21. Explain how salinity works in the different zones/layers:22. Pressure goes __________ the further you go ___________ into the ocean.23. Pressure goes up at the rate of 150 pounds per ______________ of depth.24. What are the 4 components of a climate system?25. Ocean surface circulation depends on what factor?26. Why is ocean circulation important? (know all 4 reasons!)27. How fast do surface currents move?28. What current flows by the East Coast of the US?29. What current flows along the bottom of the globe, almost in a straight line?30. Why is upwelling important?31. What happens during an El Nino event?32. What drives Earth’s weather?33. What causes waves? (know all 3)34. When does a wave go from only moving up and down to moving forward andbackward as well?35. What is the force behind wind causing waves?36. What is a tide?37. How long does it take for 1 high tide/low tide cycle?38. What body in our solar system has the most effect on tides? Why?39. Because of the gravitational effect of the Moon, where do the 2 big bulges of waterform on the Earth?40. How do those bulges move?41. Be able to label pictures of Spring and Neap Tides!42. How do sea levels fall and rise?43. What estuary is located near us and is the largest estuary in the US?44. Algae in oceans is an important source of __________________________.45. Oceans are an important source of ____________ and ________________ and areused for ____________________ and ____________________.46. How does pollution harm the ocean?47. How does over-fishing harm the ocean?48. The emission of light by living organisms is called __________________________.49. What is the fishing term used to describe animals that are caught accidentally?