PPT-OCEANOGRAPHY ocean currents

salinity stratification freshsaltwater interface upwelling tides PUBLIC recreation tourism fishing interest groups divers surfers drinking water treatedwastewater release. Early ocean studies. For much of human history, knowledge of the ocean and its currents was not recorded for many reasons - most sailors could not write and information was passed orally.. European nations began systematic ocean explorations but kept information secret between the 15. Vocabulary. Ocean Current. Coriolis Effect. Rip Current. Upwelling. Major Ocean Currents. An . Ocean Current. is a large volume of water flowing in a certain direction.. Wind-driven currents are called surface currents.. Section 3: Currents, Waves, and Tides. Earth Science. Mr. Margetan. . Ocean Currents. Surface Currents – Movement of water on the surface, primarily caused by winds. Ocean Currents. Longshore. Currents – Currents which run parallel to the shoreline due to energy released from waves. The Motion of the Ocean…. Marine Science. Day 1: . Atmospheric Circulation . Objectives. :. What is physical oceanography?. What are the layers of the atmosphere?. Explain how the surface of the Earth is heated.. th. Century Technology. History?!?! . I thought this was science!. The History of Oceanography is very closely tied with the world’s overall history. . Understanding why people explored the ocean from a historical perspective helps you understand where the science of oceanography came from.. What is a current?. 1. An Ocean Current . is a directed, continuous movement of ocean water generated by various forces.. 2. Currents are caused by various factors:. Temperature. Different salinity levels. The water in the ocean moves in giant streams called currents.. Scientists place ocean currents into two major categories: surface currents and deep currents.. Surface . Currents. Ocean currents that occur at 328 feet deep or above. The Answers. Oceanography 2014. 1. Chronometer. Accurate maritime clock. Invented by John Harrison 1735. 2. What contributions did the Chinese make to sailing?. MOST IMPORTANT = compass. 3. Latitude and Longitude in the N Hemisphere. Weather Patterns. Weather pattern’s are described as prolonged temperature changes over a specific area for example seasons.. Weather patterns can also be described as a period for which natural disasters are prevalent ex. Hurricane season, tornado season, blizzards. How do different currents form. What is upwelling. What do ocean currents transfer. Predict. T F. Ocean currents are always cold. C. ontinents affect the direction of currents. Currents only flow near the surface of the ocean. wind, salinity, temperature, the Coriolis Effect, and gravitational pull.. 14)Ocean . currents flow in . predictable patterns. around the earth.. 15) Differences . in . density. and . temperature. causes currents.. Sections:. The Motion in the Ocean: Waves, Tides, and . Currents. What . is “Seawater?”. Ocean Basics: Pressure, Density, Temperature, and Acoustics. Oceanic . Regions: The Open Ocean, Benthic Ocean, and Sea floor Zones. Ocean size and names. Nearly 71% of the Earth’s . surface . is covered by oceans.. 4 major oceans ranked by size: Pacific, Atlantic, Indian, Arctic. .. . (Southern Ocean [proposed] = considered an extension of Pacific, Atlantic, and Indian Oceans, and covers the waters that surround Antarctica). Ocean Current Layers. Surface Currents. . – . top . 10% of the ocean; upper 400 m. Deep Currents . – lower 90% of the ocean. Properties . of . Ocean . Water . How they impact ocean currents. Temperature.