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Consider the Earth to be a giant recording device. All actions that take place - from continental movement, to volcanic eruptions, to a Triceratops being eaten by a T-Rex, to a man leaving footprints in the mud - can become a part of the earth’s ‘historical’ record at that point in time. Not surprisingly this record can also register climate - from signals as small as a hurricane or as big as a global ice age. This climatic information can be found in unconsolidated sediments (for example, mud at the bottom of a pond), in rocks, in glacial ice sheets, or even in something living like a tree or coral. Each of these systems record something about the world that they developed/grew in.

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Date Of Record Release 2010-03-05 17:27:25
Description Consider the Earth to be a giant recording device. All actions that take place - from continental movement, to volcanic eruptions, to a Triceratops being eaten by a T-Rex, to a man leaving footprints in the mud - can become a part of the earth’s ‘historical’ record at that point in time. Not surprisingly this record can also register climate - from signals as small as a hurricane or as big as a global ice age. This climatic information can be found in unconsolidated sediments (for example, mud at the bottom of a pond), in rocks, in glacial ice sheets, or even in something living like a tree or coral. Each of these systems record something about the world that they developed/grew in.
Classification
Resource Type
Subject
Source Global Change Project
Keyword Tree rings, Coral rings, Ice cores, Lakes and Ponds, Varves, Pollen
Selector Selection Committee
Date Of Record Creation 2010-03-05 17:22:27
Education Level
Date Last Modified 2010-03-05 17:27:25
Language English
Date Record Checked: 2010-03-05 00:00:00 (W3C-DTF)

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