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Glaciers and Long IslandHow are Glaciers and Long Island related?
Glaciers Snowfall exceeds melting. High altitudes and polar regions.Gravity moves mass downhill. Firn = very dense snow layer.
Continental Glaciers Ice sheets that cover continents.Kilometers thick. Only 2 exist: - Greenland and Antarctica
Valley Glaciers Begins in a cirque = bowl-shaped basin at mountaintop.Crevasses = cracks in the glacier.
Erosion U-shaped Valleys Cirques, Aretes and Horns.Hanging Valleys - from tributary
Erosion Striations = parallel scratches on bedrock... from rocks on bottom of glacier Polish = fine material rubs rock smooth.
Deposition Moraines - Unsorted pile of debris = tillErratics = large isolated boulders. Drumlins = long, low mounds of till with teardrop shape. Outwash Plain (sorted) = sediments that are “washed out” in front of glacier.
Central Park, NYC
Lakes Kettle Formation:
Glacial Lake Forms when ice dams a stream.
Ice Age Glacier Limit
Glaciers Chapter 8, Section 2.
GLACIAL LANDFORMS SHAPE MOUNTAINS
Jeopardy GlaciersLandforms More Landforms RANDOM Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.
The movement of sediments by wind, water, ice, or gravity.
Erosion: Deposition: AIM: Erosional and Depositional systems
Chapter 17 Review.
Form in high mountains where snow accumulates to sufficient depths so that it is compressed, compacted and recrystallized. For this reason glacial.
What is a Glacier? REVIEW = An accumulation of compacted snow & ice
Erosion and Deposition by Glaciers Created By: Belinda Schmahl.
Glaciers and Glacial Landforms
As glaciers travel over land, glacial ice can erode the underlying bedrock. This erosion can happen by: Plucking Abrasion.
Chapter 7: Erosion and Deposition
Formation Snow accumulation More winter snowfall than summer melt Glacier formation is similar to sedimentary rock formation.
Chapter 15-1 Glaciers Pages
Geology of Great Lakes How the lakes formed.
CHAPTER 5 HONORS EARTH SCIENCE
Glaciers. A GLACIER forms when yearly snowfall in a region far exceeds the amount of snow and ice that melts during the summer months. Most of the world's.
GLACIERS CHAPTER 5 HONORS EARTH SCIENCE. What is a glacier? a thick mass of moving ice
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