PPT-Ch. 11 Between the Tides

Basics Intertidal zone Between tides Littoral zone Best studied areas Emersion vs Immersion Few marine places open to air Must give up advantages Habitat The tidescommunity rely on type of bottom. 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.. Chapter Chapter 11 11 Between the Tides What is the intertidal zone? What is the intertidal zone? 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?. Moon-Earth Relationship. The . revolution. of the Moon around the Earth makes the Moon look as if it is changing shape in the sky.. This is caused by the different angles from which we see the lighted part of the Moon's surface.  . 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.. 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. 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. Moon’s Effect On Tides Warm-Up Activity In 3-5 sentences explain what you think happens to form tides. Gravity Gravity is stronger when objects are closer together. The moon will pull the water on the side of Earth nearest it more strongly than it pulls on Earth itself. 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?. produce tides. Gravitational pull of the moon and sun. Centripetal force of the rotating Earth. Tides are generated by:. Tides are generated by:. the . gravitational pull. of the . moon. and . sun. 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.. Study Jams Video. What Are Tides?. Tides are the daily . rise. and . fall. of Earth’s . waters. on its coastlines. . Tides . occur in . all . bodies of . water.. TidesThe tides are the rising and falling of the ocean surface as a result of the gravitational pullof the moon and the Sunon the earthThe Moon plays a bigger role than the Sun because it is closerEff