Pages in this set

Page 1

Preview of page 1
EVIDENCE FOR CLIMATE CHANGE
Temperature records over long periods. Since the 1850s temperatures have been measured using
thermometers giving a reliable and short term record of global temperature change.

Studying Peat bogs Peat is an accumulation of partially decayed organic matter,
mainly the remains of dead plants. In the anaerobic…

Page 2

Preview of page 2
There is massive stores of methane e.g. in permafrost ­ as temperatures increase these stores will thaw and release large amounts of
methane into the atmosphere.

A molecule of methane absorbs more infrared than CO2 however it doesn't stay in the atmosphere very long.

CO2: concentrations increase as more fossil…

Comments

No comments have yet been made

Similar All resources:

See all All resources »