aa Quick reference
A Dictionary of Environment and Conservation (3 ed.)
Volcanic **lava rock that is thick and porous and has a rough, jagged surface when it cools. It
aa
abandoned well
abandoned well Quick reference
A Dictionary of Environment and Conservation (3 ed.)
Any *well that has not been used for a long time and/or is not properly sealed, and is so
abatement Quick reference
A Dictionary of Environment and Conservation (3 ed.)
The elimination or reduction of emissions that create *pollution. Examples include smoke abatement and noise abatement.
abatement debris Quick reference
A Dictionary of Environment and Conservation (3 ed.)
Waste materials produced by *remediation activities.
Abbey, Edward (1927–89) Quick reference
A Dictionary of Environment and Conservation (3 ed.)
who wrote the book *Desert Solitaire and is remembered for his strong criticism of public land policies and his
abiotic Quick reference
A Dictionary of Environment and Conservation (3 ed.)
Devoid of life, not *biotic, non‐biological. That part of a natural environment that comprises only chemical or physical
ablation Quick reference
A Dictionary of Environment and Conservation (3 ed.)
1. The process by which *snow or *ice is lost from a *glacier or *ice cap
ablation zone
ablation zone Quick reference
A Dictionary of Environment and Conservation (3 ed.)
The lower part of a *glacier, where in the course of a year more ice is lost by
abrasion Quick reference
A Dictionary of Environment and Conservation (3 ed.)
The *physical weathering or mechanical weathering of rock or sediment by running water, glaciers, or wind loaded with fine
absolute chronology
absolute humidity
absolute poverty
absolute relief
absolute scarcity
absolute age Quick reference
A Dictionary of Environment and Conservation (3 ed.)
Age that is expressed in number of years, rather than age relative to a particular event. In geology absolute age
absolute chronology Quick reference
A Dictionary of Environment and Conservation (3 ed.)
A *chronology that determines the age of a feature or event in years. Contrast relative chronology.
