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  1. 1. GLACIERS & ICE SHEETS<br />By Paulina Vantha<br />5thWester<br />
  2. 2. WHO/WHAT<br />GLACIERS: Are basically rivers of ice that move very slowly.<br />ICE SHEETS:Mass of glacier ice that covers surrounding land & is greater then 50,000 square kilometers. Also called, “continental glaciers”<br />
  3. 3. WHEN<br />GLACIERS: Amount of snow that falls must be more than the amount of snow that melts each year. <br />ICE SHEETS: Snow falls in winter doesn’t melt all the way in summer.<br />
  4. 4. WHERE<br />GLACIERS: Founded where large amounts of snow falls each year and is coldly around.<br />*Mostly founded in Antarctica & Greenland, but can be founded on almost all continents even Africa!<br />ICE SHEETS: Only current ice sheets are in Antarctica & Greenland (cover most of these two)<br />
  5. 5. WHY/HOW<br />GLACIERS: Certain climatic & geographic conditions must be present for glaciers to exist. Allows more snow to accumulate on glaciers in winter than melting it in the summer.<br />ICE SHEETS: Where snow falls in winter does not melt entirely over the summer!<br />
  6. 6. FUN FACTS<br /><ul><li>About 3 quarters of Earth’s freshwater is glaciers.
  7. 7. Largest reservoirs of freshwater on our planet.
  8. 8. If the Greenland ice sheets melt, it would cause sea levels to rise 20ft all around the world!</li></li></ul><li>Antarctic Ice Sheets<br />
  9. 9. WORKS CITED<br /><ul><li>
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