How do we prove climate change? Flashcards
What are the 4 ways we can prove climate change?
Ice cores, pollen records, tree rings dating and historical sources.
How long is the ice cores term?
Long term.
How long is the pollen records term?
Short to medium.
How long is the tree rings dating term?
Short to medium.
How long is the historical sources term?
Short term
How do ice cores prove climate change?
Ice cores hold ash, pollen that tell us what the climate was like. Also the deeper the core the cooler the climate.
How do pollen records prove climate change?
Pollen has to adapt to their climate. Pollen is stored in ice sheets this tells us what the climate was like.
How do tree ring dating prove climate change?
The hotter the temperature the more growth. The more growth the wider the rings. The rings on trees are wider , meaning there is climate change.
How does historical sources prove climate change?
Diaries, church records etc. tell us about the events of the time, but also the climate.