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accretionary wedge

accretionary wedge   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
76 words
Illustration(s):
1

A tectonically thickened wedge of *sediment found on the landward side of some *trenches. The accretionary wedge consists of oceanic sediment scraped off the subducting ...

acid rain

acid rain   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
1,888 words
Illustration(s):
3

Acid rain became one of the most emotive environmental issues of the 1970s and 1980s, yet the presence of high

acid rain

acid rain   Quick reference

A Dictionary of Environment and Conservation (3 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Science and technology, Environmental Science, Earth Sciences and Geography
Length:
348 words
Illustration(s):
1

A form of *air pollution created by acid-forming reactions within the atmosphere involving gaseous pollutants, principally *sulphur dioxide

Adams–Williamson equation

Adams–Williamson equation   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
105 words
Illustration(s):
1

Equation describing a fundamental relationship between seismic velocities (v p and v ω), the *gravitational acceleration (...

Adaptation

Adaptation   Reference library

Encyclopedia of Climate and Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2011
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
12,613 words
Illustration(s):
3

[This article contains six subentries:

Aeronomy

Aeronomy   Reference library

Encyclopedia of Climate and Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2011
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
2,555 words
Illustration(s):
1

The science of aeronomy investigates both the chemical and the physical properties of the atmosphere and the changes that occur

Affective Imagery, Risk Perceptions, and Climate Change Communication

Affective Imagery, Risk Perceptions, and Climate Change Communication   Reference library

Anthony Leiserowitz and Nicholas Smith

The Oxford Encyclopedia of Climate Change Communication

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
10,435 words
Illustration(s):
3

Introduction

Natural scientists have described global warming as perhaps the preeminent environmental risk confronting the world in the 21st century

Africa

Africa   Reference library

Encyclopedia of Climate and Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2011
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
3,084 words
Illustration(s):
2

One of the world's largest continents, Africa comprises more than 30 million square kilometers and several countries, and spans more

age and early evolution of the Earth and Solar System

age and early evolution of the Earth and Solar System   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
2,050 words
Illustration(s):
1

One of the questions that geologists are most frequently asked is ‘How do you know the age of the rocks?’

Agenda Building, Narratives, and Attention Cycles in Climate Change News Coverage

Agenda Building, Narratives, and Attention Cycles in Climate Change News Coverage   Reference library

James Shanahan

The Oxford Encyclopedia of Climate Change Communication

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
5,944 words
Illustration(s):
2

Introduction

Social scientists and media critics have often been befuddled about how and why news coverage of important issues takes

age–sex pyramid

age–sex pyramid   Quick reference

A Dictionary of Geography (5 ed.)

Reference type:
Subject Reference
Current Version:
2015

A set of two histograms set back to back on a vertical axis, depicting the numbers of the two sexes

Agriculture and Climate

Agriculture and Climate   Reference library

Encyclopedia of Climate and Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2011
Subject:
Science and technology, Earth Sciences and Geography, Social sciences, Environment
Length:
4,343 words
Illustration(s):
3

The basic industry that produces natural fiber and food for human consumption began between 8,000 and 10,000 years ago in

Airy model

Airy model   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
83 words
Illustration(s):
1

A model to account for *isostasy which in the *lithosphere assumes a constant density (ρc = 2 670 kg/m...

aklé

aklé   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
64 words
Illustration(s):
1
French term for a network of sand *dunes found especially in the western Sahara. The basic unit of the network is a sinuous ridge, at right angles to the wind, made up of crescent-shaped ... More
alpine orogeny

alpine orogeny   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
867 words
Illustration(s):
1

The Alps are an arcuate mountain chain 100–200 km wide extending 1100 km from Nice to Vienna in southern Europe.

ambulacrum

ambulacrum   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
81 words
Illustration(s):
1

In *Echinodermata, an area of the body surface (covered in most classes by calcitic (see calcite) *...

amphibians

amphibians   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
766 words
Illustration(s):
1

Amphibians are tetrapods that still retain a connection to the water because of their need to lay their eggs in

analysis

analysis   Quick reference

A Dictionary of Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2008

Detailed examination of the state of the atmosphere based on synoptic observations, in particular for forecasting or research purposes. This

Anapsida

Anapsida   Quick reference

A Dictionary of Geology and Earth Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Earth Sciences and Geography
Length:
69 words
Illustration(s):
1

Group of *reptiles characterized by a skull that lacks apertures in the temple regions behind the eyes. This was the condition in the earliest reptiles, the ...

Andes of South America

Andes of South America   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
1,727 words
Illustration(s):
1

The Andes form a sinuous mountain chain, 100–700 km wide and extending along the entire western margin of South America

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