13. Ocean and Shorelines

13. Ocean and Shorelines - 9 Where are the most severe...

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OBJECTIVES FOR HYDROLOGIC CYCLE, SHORELINES AND OCEANS 1) Be able to reproduce the hydrologic cycle and the formula for the hydrologic budget of a watershed. 2) What percent of the Earth’s surface is covered by ocean? 3) What percent of ocean water is dissolved salt? 4) Which is most dense: a) salty or fresh water/ b) warm or cold water? 5) What drives surface currents, and what drives deep ocean currents? 6) What effect do these currents have on the heat distribution of the planet? 7) What causes tides? When do you get the highest and lowest high tides, what are they called, and what astronomical configuration gives rise to each? 8) What effect do tides have on the Earth’s rotation?
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Unformatted text preview: 9) Where are the most severe tides in the world? 10) Know what factors affect the size and power of waves. 11) On a picture showing a series of waves, be able to label the following features: crest, trough, wavelength (L), wave base. 12) Know what happens to a wave as it approaches a shoreline. 13) Understand the concept of wave refraction and its importance to coastal erosion. 14) Know how to determine the direction of the longshore current, and beach drift. 15) How do humans attempt to control beach erosion? 16) What is the main cause of damage when a hurricane hits shore? 17) What are two main ways to change sea level? What is a third?...
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