PPT-OCEANOGRAPHY ocean currents

salinity stratification freshsaltwater interface upwelling tides PUBLIC recreation tourism fishing interest groups divers surfers drinking water treatedwastewater release. 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.. Why study oceanography. ?. Scientific Curiosity. – . How do oceans operate and interact with entire earth system?. Need for Marine Resources. – . We need both food and mineral resources from oceans to survive.. 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 . 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. . 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.. 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 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. RDML Tim Gallaudet. Oceanographer & Navigator of the Navy. Commander Naval Meteorology and Oceanography Command. 19 July . 2016. 1. Ensuring Fleet Safety and Warfighting Effectiveness. DATA. PROCESSING/. 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. 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. 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.. 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.