Glacier Case Study Flashcards

1
Q

How are most glaciers getting smaller?

A

Getting smaller by a few metres each year.

Some in danger of disappearing altogether.

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2
Q

What glacier is retreating?

A

The Rhone Glacier.

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3
Q

Where is the Rhone Glacier?

A

The Swiss Alps.

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4
Q

Currently how long is Rhone Glacier?

A

7.8 km long.

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5
Q

Like most glaciers in the world how long had Rhone Glacier been retreating, what century?

A

19th century.

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6
Q

Where does evidence of Glacial retreat come from?

A

Various Sources.

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7
Q

Name 3 ways that support evidence of glacier retreating?

A

Pictures.
Monitoring data.
Amount of meltwater.

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8
Q

What has happened during the years to Rhone Glacier?

A

from 1900 to 2008 it has retreated.

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9
Q

Since what year has the Rhone Glacier been measured?

A

1879.

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10
Q

What do graphs show about the Rhone Glacier?

A

Decrease in length since 1879.

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11
Q

As the glacier retreats what does it produce?

A

Meltwater.

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12
Q

What has the meltwater formed?

A

A new lake in front of the glacier which has been increasing in size.

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13
Q

What does the lake increasing in size show?

A

The glacier has been melting more rapidly.

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14
Q

What is the main cause if Glacial retreat?

A

Global Warming.

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15
Q

What is there among scientists?

A

Consensus that glacial retreat is caused by global warming.

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16
Q

There has been an increase in average global temperature of about what?

A

0.9 ‘C in the last 150 years.

17
Q

What has happened in recent parts of Switzerland?

A

About average temperature rises.

18
Q

What has weather station near Rhone Glacier recorded?

A

An increase of 1.8’C between 1937 and 2005.

19
Q

Switzerland’s average temperature has increased, why?

A

Switzerland has no coastline.

The sea has a cooling effect on the land.