PPT-Ocean Currents Why is Ocean Circulation Important?

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. 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.. Susan Howard. Earth & Space Research. Basically – why and how the ocean and atmosphere MOVE!. www.ametsoc.org . There are many scales of motion: . From . BIG. . to . very small. Today – I will just cover the basic large scale, GLOBAL circulation.. Wind-driven surface currents. Figure 7-4. Ocean Circulation Animation. Ocean Currents. Ocean currents- are stream-like movements of water. Ocean currents affect our weather and climate. 2 Types:. 1) Surface Currents. 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. 1 WOCE was conceived in late-1970snot so easy to re-capture thinking of the time: 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 Currents?. Chapter 9. First ….a key concept to keep in mind:. Winds. are named from the direction in which they are coming….. for example: A Southerly – is a wind coming from the south . Spring 2023. Contents. Ocean Salinity. The Vertical Structure of Oceans. Deep-water Formation. The Thermohaline Conveyor Belt. Deep Ocean Currents and Climate. Ocean salinity. salinity = salt. Ocean is 3.5% salt.. 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. .