From Wikipedia, the free encyclopedia
Elevation of the free surface of a stream, lake or reservoir relative to a specified vertical datum
This article is about the elevation level of the surface of water. For the device of the same name, see Water level (device). For the draft of a boat, see waterline. For other uses, see Water level (disambiguation).
This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "Water level" – news · newspapers · books · scholar · JSTOR (April 2024) |
Water level, also known as gauge height or stage, is the elevation of the free surface of a sea, stream, lake or reservoir relative to a specified vertical datum.[1] Over long distances, neglecting external forcings (such as wind), water level tends to conform to an equigeopotential surface.[2]
See also
[edit]- Water level (device), device utilizing the surface of liquid water to establish a local horizontal plane of reference
- Flood stage
- Hydraulic head
- Stream gauge
- Tide gauge
- Level sensor
- Liquid level
- Reference water level
- Stage (hydrology)
- Sea level
References
[edit]- ^ ISO 772: 1996. Hydrometric determinations – Vocabulary and symbols.
- ^ Merriam Webster Dictionary Definition of level (Entry 3 of 3): conforming to the curvature of the liquid parts of the earth's surface
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