Glossary C

Deutsch: Kammer / Español: Cámara / Português: Câmara / Français: Chambre / Italiano: Camera /

The term chamber may refer to any one of the following:

in Government and Organizations:

• Chambers of parliament, a legislative assembly
• Chambers of commerce (or board of trade), a form of business network whose goal is to further the interests of the Member businesses

in Media and Entertainment:

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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.)

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Deutsch: Kanal / Español: Canal / Português: Canal / Français: Canal / Italiano: Canale /

A channel is the section of the stream that contains the main flow.

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A Channel Erosion is Erosion in channels is mostly caused by downward scour due to flow shear stress. Side wall sluffing can also occur during widening of the channel caused by large

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A Channelization is Straightening and deepening streams so water will move faster, a marsh-drainage tactic that can interfere with waste Assimilation capacity, disturb fish and wildlife habitats, and aggravate flooding.

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A Channelized is the straightening and deepening of streams. Channelization reduces the ability of the stream to assimilate waste and disturbs fish breeding areas.

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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.

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A Characteristic Waste is Waste that is considered hazardous under RCRA because it exhibits any four different properties: ignitability, corrosivity, reactivity, and toxicity.

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A characterization is Determination of the attributes of resource units, populations, or sampling units. A prominent use in EMAP is characterization of 40-hexes.

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Characterization of Ecological Effects are Part of ecological risk assessment that evaluates ability of a stressor to cause adverse effects under given circumstances.

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