Athabasca Glacier

sinjinibasu.sb
Mind Map by sinjinibasu.sb, updated more than 1 year ago
sinjinibasu.sb
Created by sinjinibasu.sb almost 7 years ago
520
0

Description

Geography (Case Studies) Mind Map on Athabasca Glacier, created by sinjinibasu.sb on 06/02/2013.
Tags

Resource summary

Athabasca Glacier
1 Outlet Valley Glacier flowing north-eastwards from the Canadian Ice Fields
2 In Jasper National Park in the Canadian Rockies
3 6 km long and 1 km wide, covering 10 km2
4 Evidence of Retreat
4.1 Pictures
4.1.1 Transverse crevasses caused when glacier flows downhill
4.1.2 Diagonal crevasses caused by friction slowing down the glacier
4.2 Monitoring Data
4.2.1 Glacier retreated 1500 m since middle of 19th century
4.2.2 Rate of retreat has increased:
4.2.2.1 170m from 1840 to 1906 (66 years)
4.2.2.2 500m from 1945 to 1992 (47 years)
4.2.3 Terminal Moraine marks the extent of the glacier
4.2.4 Scientists predict that the glacier will be gone in another 300 years
4.3 Amount of meltwater
4.3.1 Sunwapta Lake shows where glacier melted
4.3.2 Channels of meltwater on surface of glacier
5 Causes of Retreat
5.1 Ablation exceeding accumulation over a period of time
5.2 Increasing Temperatures
5.2.1 Natural changes
5.2.2 Global warming
5.2.3 Average temperature rise is about 0.9'C
Show full summary Hide full summary

Similar

Coastal Zone Glossary
Clare Magor
Restless Earth Glossary
Clare Magor
Geography Coastal Zones Flashcards
Zakiya Tabassum
Geography Quiz
PatrickNoonan
Using GoConqr to study geography
Sarah Egan
All the Countries of the World and their Capital Cities
PatrickNoonan
Volcanoes
1jdjdjd1
River Processes and Landforms
1jdjdjd1
The Rock Cycle
eimearkelly3
GCSE Geography - Causes of Climate Change
Beth Coiley
Tectonic Hazards flashcards
katiehumphrey