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| Descriptor English: | Weirs |
| Descriptor Spanish: | Vertederos |
| Descriptor Portuguese: | Vertedores |
| Descriptor French: | Seuil (Barrage) |
| Entry term(s): |
Low Head Dam Low Head Dams Overflow Channel Overflow Channels Spillway Spillways Weir |
| Tree number(s): |
SP4.021.197.123.579.500 |
| Scope note: | 1. A relatively low barrier built tranversely for impounding, regulating, deriving, or measuring the runoff. 2. A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. (https://en.wikipedia.org/wiki/Weir) |
| Allowable Qualifiers: |
AE adverse effects AN analysis CL classification EC economics EH ethnology ES ethics HI history LJ legislation & jurisprudence MT methods PC prevention & control PL policies SN statistics & numerical data |
| DeCS ID: | 25638 |
| Unique ID: | DDCS025638 |
| Documents indexed in the Virtual Health Library (VHL): | Click here to access the VHL documents |
Weirs
- Preferred
Spillways
- Narrower
| Concept UI |
FD00058482 |
| Scope note | 1. A relatively low barrier built tranversely for impounding, regulating, deriving, or measuring the runoff. 2. A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. (https://en.wikipedia.org/wiki/Weir) |
| Preferred term | Weirs |
| Entry term(s) |
Low Head Dam Low Head Dams Weir |
| Concept UI |
FD00063091 |
| Scope note | 1. A spillway is a structure used to provide the controlled release of flows from a dam or levee into a downstream area, typically the riverbed of the dammed river itself. In the United Kingdom, they may be known as overflow channels. Spillways ensure that the water does not overflow and damage or destroy the dam. (From: https://en.wikipedia.org/wiki/Spillway). 2. A path designed to take away overflow safely. (From: https://en.wiktionary.org/wiki/spillway) |
| Preferred term | Spillways |
| Entry term(s) |
Overflow Channel Overflow Channels Spillway |
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