PPT-Pyroclastic density currents

and tephra fallout hazard assessment at Tungurahua volcano Ecuador hazard maps with uncertainty quantification Alessandro Tadini Alvaro Aravena Andrea Bevilacqua Pablo . 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.. On Monday and Tuesday…. We found the density of liquids and rocks. . We learned that denser materials sink, and lighter materials float.. We learned that granite is lighter than basalt and that iron is denser than both.. 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. Have your textbook on your desk and with it open to show your name.. Be ready for more note-taking today.. CHAPTER 9. Volcano . – are places on the surface of the earth that magma and volcanic gas are released. http. ://oceanexplorer.noaa.gov/edu/learning/player/lesson08.. html. . . I. . Ocean . currents = Stream like movements of water. A. Surface currents. = occur near or at the surface of the ocean. Can reach 100 m deep or deeper. 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. An Explosive Impact. Flows and Fallout. Characteristics. Can flow like an avalanche. Can mix with water to form mudslides. Knock down trees and buildings. Dam up river valleys. Climate Changes. Volcanic ash and sulfuric gases reach atmosphere. What is a volcano?. A volcano is a vent or 'chimney' that connects molten rock (magma) from within the Earth. ’. s crust to the Earth's surface. . The volcano includes the surrounding cone of erupted material. . Earth/Space. S.W.B.A.T.. Explain how winds and the . Coriolis. effect influence surface currents. Discuss the temperatures of coastal waters. Describe density currents and how they affect Earth. Surface Currents. 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.. Identify and describe one factor that affects watersheds.. If I want to grow a tomatoes in a container on my porch, what type of soil would you recommend I use?. Describe one thing that humans do to affect the water table.. 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 . John Huthnance. 1. , Mark Inall. 2. , Neil Fraser. 2. 1. National Oceanography Centre,. . 2. Scottish Association for Marine Science. jmh@noc.ac.uk. Journal of Physical Oceanography. on-line, March 2020.