Proxy

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In the study of past climates ("paleoclimatology"), climate proxies are preserved physical, chemical, and even biological characteristics of the past that stand in for direct meteorological, climatological, and environmental measurements and enable scientists to reconstruct the climatic conditions over a longer fraction of the Earth's history.

Excerpt from the Wikipedia article “Proxy (climate)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Femke Nijsse, CC BY-SA 4.0, via Wikimedia Commons.