Embed Size (px)
Citation preview
11
By, Anne Claire Foreman
Mrs. Harris 5th Grade
How Glaciers Change the landscape
• Glaciers wear away the landscape and cause erosion.
• Glaciers are big masses of moving ice that pick up rocks, dirt, tree bark, etc.
What is erosion?What is erosion?
To wear away land by the action of water, To wear away land by the action of water, wind, or glacial ice. wind, or glacial ice.
The Grand Canyon was formed by The Grand Canyon was formed by erosion. erosion.
Where are glaciers located?
Hubbard is the largest tidewater glacier on the North American continent. Hubbard has also been thickening and advancing toward the Gulf of Alaska ever since it was first mapped by the International Boundary Commission in 1895 (Davidson, 1903). And, this is happening despite climate change and the fact that many glaciers are thinning and retreating.
Where are glaciers located Where are glaciers located (continued!)(continued!)
Many of the worlds largest glaciers are located in Many of the worlds largest glaciers are located in Alaska. Alaska.
Most of all glaciers are located in cold regions. Most of all glaciers are located in cold regions.
How are glaciers helpful?How are glaciers helpful?
Glaciers are used for drinking water. Glaciers are used for drinking water. Glaciers are also used to irrigate Glaciers are also used to irrigate
crops. crops.
Glacier Fun FactsGlacier Fun Facts
Glaciers store over 70% of Earth’s Glaciers store over 70% of Earth’s fresh water. fresh water.
If we don’t save glaciers they will melt If we don’t save glaciers they will melt and the Earth’s water level would rise and the Earth’s water level would rise 80 meters and cover some low land. 80 meters and cover some low land.
There are over 160,000 glaciers There are over 160,000 glaciers located in the world.located in the world.
PicturesPictures
Here are pictures of Hubbard GlacierHere are pictures of Hubbard Glacier
Pictures (continued!)Pictures (continued!)11
Recourse’sRecourse’s Macmillan McGraw-Hill, North Carolina Macmillan McGraw-Hill, North Carolina
Edition Science Book Edition Science Book National Geographic. “The Giant moving National Geographic. “The Giant moving
snow Mound.”snow Mound.” www.odec.cawww.odec.ca www.greenpaciks.orgwww.greenpaciks.org www.uk.danfossuniverse.orgwww.uk.danfossuniverse.org
Thanks!!!!Thanks!!!! Thank you for watching my PowerPoint!!!!!!!!! Thank you for watching my PowerPoint!!!!!!!!!
Save Save Glaciers!!!!Glaciers!!!!
