Paleoclimatology

Paleoclimatology (pronounced: /ˌpeɪlioʊklaɪməˈtɒlədʒi/) is the study of changes in climate taken on the scale of the entire history of Earth. It uses a variety of proxy methods from the Earth and life sciences to obtain data previously preserved within things such as rocks, sediments, ice sheets, tree rings, corals, shells, and microfossils.

Etymology

The term "Paleoclimatology" comes from the Greek words palaios (παλαιός), meaning "old", klima (κλίμα), meaning "slope" or "region", and logia (λογία), meaning "study".

Related Terms

Climate: The long-term average of weather, typically averaged over a period of 30 years.
Proxy (climate): A proxy in climate science is a data-driven perspective on climate change.
Ice core: An ice core is a core sample that is typically removed from an ice sheet, most commonly from the polar ice caps of Antarctica, Greenland or from high mountain glaciers elsewhere.
Sediment: Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice.
Microfossils: Microfossils are fossilized remains of tiny organisms that are hard to see without the aid of a microscope.

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Paleoclimatology