PPT-Ocean Currents

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. Rockefeller Jr Memorial PKWY Big Hole NB Cowpens NB Fort Donelson NB Fort Necessity NB Moores Creek NB Petersburg NB Stones River NB Tupelo NB Wilsons Creek NB Kennesaw Mountain NBP Richmond NBP Brices Cross Roads NBS Chickamauga and Chattanooga NMP s. Warm. . currents flow . away. from the . equator.. Cold. currents flow . toward. the . equator.. Ocean Currents. Sun. Wind. Coriolis. Effect. Gravity. Factors Influencing Currents. Energy from the Sun heats the water.. The Earth is Spinning…. Because Earth spins, winds and water appear to be deflected in a curved motion. This is called the Coriolis Effect. Which way do things. not connected to . Earth get deflected . Name. . the three major processes in the water cycle.. Describe. . the properties of ocean water.. Describe. . the two types of ocean currents.. Explain. how the ocean regulates Earth’s temperature.. Transport . heat. Equator to poles. Transport nutrients and organisms. Influences weather and climate. Influences commerce. Surface . Currents. The upper 400 meters of the ocean (10%).. Deep Water Currents. Highways in the Sea. What forces are responsible for currents?. Wind. : transfers energy through friction on surface; causes currents and waves. Sea level. : steeper slope=greater pressure gradient=drives a larger, faster current. 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.. Warm Up & Spiral . November 4. How are surface currents created?. How are deep ocean currents created? . What are 2 factors that affect the density of water?. What is upwelling? . Objectioves. : 8.E.1.1/1.2. salinity stratification. fresh/saltwater interface. upwelling. tides. PUBLIC. recreation, . tourism, fishing. interest groups (divers, surfers). drinking water. treated-wastewater release. By: Sean Meisner, Amanda Onwukwe, Arrian Bolden Pd:2nd. What Is Wind?. Wind: Is air moving across the surface of the Earth. Wind occurs because sunlight heats the earth’s atmosphere and surface unevenly.. 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. Chapter 14. Page 364 – 387. Currents. Imagine that you are stranded on a desert island. You stuff a distress message into a bottle & throw it into the ocean, hoping it will find its way to someone who will send help. . Conclusions Up Front:. Mid-Atlantic is home to the most advanced observing systems in the world. Much can be leveraged to support the Blue Ocean Economy. Well defined process to fill gaps. Greatest need is not for new technologies . April 19 and 20, 2018. Mark A. Bourassa. 1. Ernesto Rodriguez. 2. . and Sarah Gille. 3. Center for Ocean-Atmospheric Prediction Studies. and Department of Earth, Ocean and Atmospheric Science, Florida State University.