Glossary C
The Environmental Glossary. Letter C +++ Popular Articles: 'Contamination', 'Contaminant', 'Characteristic'
Deutsch: Veränderung / Español: Cambio / Português: Mudança / Français: Changement / Italiano: Cambiamento /
A change is as used in EMAP, the difference in the distribution of measurements of condition Indicators between two time periods. (See related: status, trends.)
Deutsch: Kanal / Español: Canal / Português: Canal / Français: Canal / Italiano: Canale /
A channel is the section of the stream that contains the main flow.
Deutsch: Charakteristik / Español: Característica / Português: Característica / Français: Caractêristique
A Characteristic is any one of the four categories used in defining hazardous waste: ignitability, corrosivity, reactivity, and toxicity.
A Characteristic Waste is Waste that is considered hazardous under RCRA because it exhibits any four different properties: ignitability, corrosivity, reactivity, and toxicity.
A characterization is Determination of the attributes of resource units, populations, or sampling units. A prominent use in EMAP is characterization of 40-hexes.
Characterization of Ecological Effects are Part of ecological risk assessment that evaluates ability of a stressor to cause adverse effects under given circumstances.
A Characterization of Exposure is Portion of an ecological risk assessment that evaluates Interaction of a stressor with one or more ecological entities.