PDF-NOAA's National Ocean Service: Education Currents

NOS home NOS education home site index Currents Tidal Currents 1 2 The elliptical orbits of the moon around the Earth and the Earth around the sun have Click the image for a Also similar to ti. 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.. then draw into their mouths (Barnes and Hughes, 1999). (top) Revised December 02, 2004 | Questions, Comments? Contact Us Report Error On This Page Disclaimer User Survey NOAA’s National Ocean 2012-2013 Winter Season . Outlook. 2012 NCEMA Fall . Conference. Nick . Petro, WCM NWS Raleigh, NC. Tony Sturey, WCM NWS Greer, SC. Phil Hysell, WCM NWS Blacksburg, VA. NOAA’s National Weather Service. Ocean . O. bservations . in. Support . of. Sea . S. urface Salinity . P. rocess . S. tudies.  . Gustavo Jorge Goni. Gustavo.Goni@noaa.gov. National Oceanic and Atmospheric . Administration (NOAA), . Currents. Ocean water contains streamlike movements of water called . ocean currents.. Currents can travel extremely far. In ancient times, currents were largely responsible for any human travel across the oceans. It is believed that currents carried the ancient Peruvians over 6,000 km across the south pacific to Polynesia. . 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. 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.. salinity stratification. fresh/saltwater interface. upwelling. tides. PUBLIC. recreation, . tourism, fishing. interest groups (divers, surfers). drinking water. treated-wastewater release. 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. 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.