Flashcards in Glacier Case Study Deck (19)
How are most glaciers getting smaller?
Getting smaller by a few metres each year.
Some in danger of disappearing altogether.
What glacier is retreating?
The Rhone Glacier.
Where is the Rhone Glacier?
The Swiss Alps.
Currently how long is Rhone Glacier?
7.8 km long.
Like most glaciers in the world how long had Rhone Glacier been retreating, what century?
Where does evidence of Glacial retreat come from?
Name 3 ways that support evidence of glacier retreating?
Amount of meltwater.
What has happened during the years to Rhone Glacier?
from 1900 to 2008 it has retreated.
Since what year has the Rhone Glacier been measured?
What do graphs show about the Rhone Glacier?
Decrease in length since 1879.
As the glacier retreats what does it produce?
What has the meltwater formed?
A new lake in front of the glacier which has been increasing in size.
What does the lake increasing in size show?
The glacier has been melting more rapidly.
What is the main cause if Glacial retreat?
What is there among scientists?
Consensus that glacial retreat is caused by global warming.
There has been an increase in average global temperature of about what?
0.9 'C in the last 150 years.
What has happened in recent parts of Switzerland?
About average temperature rises.
What has weather station near Rhone Glacier recorded?
An increase of 1.8'C between 1937 and 2005.