PPT-Tides Notes Key Question: What causes tides?

What are tides Tides are the daily changes in the level of ocean water What causes tides Tides are caused by the difference in the gravitational force of the sun and the moon What is tidal force. Waves. A . Wave. is a . rhythmic. . movement. that carries . energy. through matter or space.. In oceans, waves move through . seawater. Waves. Caused by. :. Wind. Earthquakes. Gravitational force of the Moon and Sun.. Parker MacCready, January 2011. Reference: . Admiralty Manual of Tides. , . Doodson. & Warburg, 1941, His Majesty’s Stationery Office. Orbital Force Balance. Tides are forced by the sun and moon, with similar physics. The Moon’s forcing is about twice that of the sun.. May 2013. What is a TIDE?. Rise and fall in ocean levels. Most observable at the coastlines. What is a TIDE?. 2 High tides and 2 Low tides occur daily. Approx. 6 1/2 hours apart. What causes TIDES?. May 2013. What is a TIDE?. Rise and fall in ocean levels. Most observable at the coastlines. What is a TIDE?. 2 High tides and 2 Low tides occur daily. Approx. 6 1/2 hours apart. What causes TIDES?. Overview. What is a Tide?. Types of Tides – Spring and Neap. High and Low Tides. Rule of Twelfths. Calculation of Tides at Secondary Ports. Calculation of Currents at Secondary Stations. Tide Races and Over falls . 6. th. Grade Earth Science. Currents. A current is a large stream of water that flows through the ocean. . Two types of currents. Surface Currents Deep Currents. Causes . of Tides. Tidal Variations. Lunar Day and Frequency . of . Tides. Monitoring Tides. Tides. Wikimedia FoxyOrange [. CC BY-SA . 3.0. Tides are not explicitly included in the NGSS Performance Expectations. . Mean Low Tide versus Mean Lower Low Water. And the winner is……….!. Measuring Water Depths. Boats, Airborne LIDAR, Satellites, AUV’s/ROV’s – Differences?. Sensor Positioning. . GPS. Laser. Created by Winds. Coriolis Effect- The shifting of ocean currents and surface winds from their expected paths caused by the rotation of the earth. Gulf Steam – ocean current in the northern Atlantic ocean, brings warm water from Africa to the Americas. By Michael Ogden. Everywhere around the world there are seasons and tides. But have you ever asked why they happen? Come with me, Ms. Frizzle, on the Magic School Bus and we can find out! Everyone on board? Okay then, time to go to space!. Datums. plus some NOS Resources. Marti . Ikehara. , Geodetic Advisor. NOAA’s NGS, Sacramento. Marti.ikehara@noaa.gov. CLSA Sonoma County chapter meeting, Feb 2013. 1. 12. King Tide, Humboldt Bay, Dec ‘12 event. their highest point of the day and fall to their lowest point . every 12.5 hours. . The tides result from the rotation of Earth on its axis as gravity . from the moon and the sun pull on Earth and its water. Think . What celestial object is attracted to the Earth?. The Moon. What celestial object is the Earth attracted to?. The Sun. Effect of the moon on the Earth. The Moon’s gravity also pulls on the Earth, but because the Earth is solid, it doesn’t seem to respond.. TidesTIDESThe periodic rise and fall of the sea level under the gravitational pull of the moon Tides are one of the most reliable phenomena in the world As the sun rises in the east and the stars come