Ice core

Ice core

A cylindrical section of ice removed from a glacier or an ice sheet in order to study climate patterns of the past. By performing chemical analyses on the air trapped in the ice, scientists can estimate the percentage of carbon dioxide and other trace gases in the atmosphere at a given time. Analysis of the ice itself can give some indication of historic temperatures.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Natural environment
Category: Climate change
Government Agency: U.S. EPA
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ice cores

Anthropology; Cultural anthropology

Borings taken from the arctic and Antarctic polar ice caps, containing layers of compacted ice useful for the reconstruction of paleoenvironments and as a method of absolute ...

ice core

Chemistry; Weather; Atmospheric chemistry

Often used by humans to determine the historic chemical composition of the atmosphere; the source of the ice core is the snow which falls on the glacier which consolidates upon ...

ice core

Geography; Physical geography

two types: The line where the visible surface appears to 'meet' the sky. In a soil, a distinct layer having unique characteristics.

ice cores

Archaeology; Human evolution

Borings taken from the Arctic and Antarctic polar ice caps, containing layers of compacted ice useful for the reconstruction of paleoenvironments and as a method of absolute ...

ice core

Natural environment; Climate change

A cylindrical section of ice removed from a glacier or an ice sheet in order to study climate patterns of the past. By performing chemical analyses on the air trapped in the ice, ...

INTegration of Ice-core (INTIMATE)

Earth science; Physical oceanography

MArine and TErrestrial data for the North Atlantic region from 25 to 9 ka BP. The goal of this INQUA project is to integrate data sets from ice-core, marine and land records to ...

Annex I countries

Natural environment; Climate change

The industrialised countries (and countries in transition to a market economy) which took on obligations to reduce their greenhouse gas emissions under the Kyoto Protocol. Their ...

Annex II

Natural environment; Climate change

Countries which have a special obligation under the Kyoto Protocol to provide financial resources and transfer technology to developing countries. This group is a sub-section of ...

Aosis

Natural environment; Climate change

The Alliance of Small Island States comprises 42 island and coastal states mostly in the Pacific and Caribbean. Members of Aosis are some of the countries likely to be hit hardest ...

The Fourth Assessment Report (AR4)

Natural environment; Climate change

The Fourth Assessment Report produced by the Intergovernmental Panel on Climate Change (IPCC) published in 2007. The report assessed and summarised the climate change situation ...

Bali action plan

Natural environment; Climate change

A plan drawn up at the UN Climate Change Conference in Bali, in December 2007, forming part of the Bali roadmap. The action plan established a working group to define a long-term ...

Bali roadmap

Natural environment; Climate change

A plan drawn up at the UN Climate Change Conference in Bali, in December 2007, to pave the way for an agreement at Copenhagen in 2009 on further efforts to reduce greenhouse gas ...

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