Paleoclimatology is the study of how climate has changed during the entire history of the Earth.
In the past 150 years, humans started keeping records of weather changes using: | |
...thermometers | |
...radar | |
...satellites |
For millions of years, the Earth has been keeping its own records in the form of... | |
...tree rings | |
...ice layers | |
...sediment varves |
By combining all this climate data, paleoclimatology can be used to understand how and why our climate changes and to predict future climate change.