International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)
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Term No.Term Name/Term DescriptionAction
205
Marginal distribution
In a distribution with two variates, the distribution of one of the variates, the other being ignored. It may be obtained by adding for each value or class of the variate under consideration the corresponding absolute (or relative) frequencies of the other variate. The notion of marginal distribution may be extended to more than two variates. In th.....
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206
Marginal expectation
In the case of a probability distribution with k variates, a marginal distribution of a subset of p variates exists, the other (k - p) variates taking any values in their interval of variation. Example : In a probability distribution with three variates, X,Y,Z, there are : - 3 bivariate marginal distributions : distribution of X, Y and Z the pairs .....
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1525
Marginal bund
1 - A backwater bund; a term used in India and Europe for an embankment built along a river, upstream of a weir at a short distance from the margin. (illustrated). 2 - See 6530......
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1527
Guide bank, or Bell`s bund
A protective or training embankment constructed at the side of a weir, bridge, etc., to guide the river into the waterway in the structure; named after Mr. J.R. Bell who designed such bunds (illustrated)......
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1536
Bunding
A kind of bank protection where, owing to space or usage, or for strength, a continuous vertical or nearly vertical wall or other structure is built in front of the margin......
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2222
Wing levee, Afflux bund, or Afflux bank
An embankment or dike designed to prevent the outflanking of the abutment by flood waters passing round the end of the weir, extending up to, but not across, the whole of the river flood plain......
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2282
Guide bund
A training wall intended to lead water smoothly to or away from a barrage or weir. It is built of earth, masonry or concrete or any other locally available material......
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5867
Ring bund
An embankment built temporarily on a river bed surrounding the site of construction of the hydraulic works.
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5868
Tie bund
An embankment connecting two main embankments of a river diversion system.
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6527
Contour bunding
The construction of small bunds across slope of the land on a contour so that the long slope is cut into a series of small ones and each contour bund acts as a barrier to the flow of water......
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6528
Contour bund
In soil conservation, an embankment constructed on a contour.
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6529
Side bund
In soil conservation, an embankment constructed along the slope usually at right angle to the contour bund.
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6530
Marginal bund
1 - In soil conservation, an embankment which is constructed at the lowest part of the catchment without any reference to contour. 2 - See 1525......
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6531
Lateral bund
In soil conservation, an embankment constructed at intervals along the contour bund, and constructed along the slope of the land and at right lines to the contour bund, to prevent flow towards and accumulation of water, in a depression especially when there is deviation from contour......
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8013
Flood levee, Levee, Main Levee, Embankment, Stop bank, Dyke, Dike, Summer dike, Confinement dike, Ring dike, or Bund
1 - An artificial trapezoidal earthwork structure built along a river for the purpose of protecting adjacent land or human settlements from inundation by flood waters. The most ancient, most widespread method of flood protection. Flood levees are linear structures along a river which have the purpose of confining waters spilling from the mean-water.....
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8029
Summer dikes, River side bunds, or Submersible dikes
Low embankment along a river or coastal water aiming at flood protection against low and frequent (flood) water levels and/or at flood protection during the early stages of a flood (resulting in delayed flooding). These are constructed in the flood bed, offering protection against more frequent minor floods to cultivated lands in the flood bed. It .....
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8111
Bundled
A term describing a computer system that includes all necessary hardware and software that will allow the system to operate as advertised......
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