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
861
Bank storage
Water absorbed and stored in the bed and banks of a stream, lake, or reservoir as the surface level of the water body rises and returned in whole or in part as the surface level falls......
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955
Bankfull, or Bankfull stage
The stage attained by a stream when flowing at a capacity above which the natural banks overflow.
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1427
Concave (river) bank
The bank on the outside of a river bend. The radius of a concave bank is generally greater than that of the convex bank.
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1428
Convex (river) bank
The bank on the inside of a river bend (vs. concave bank).
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1455
Bankful discharge
Discharge corresponding to the state at which the river berms are about to be submerged.
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1484
Groyne, Groin, Bankhead, Spur, Spur dike, Transverse dike, Jetty
1 - A structure built from the bank of a river in a direction transverse to the current. The groynes may be permeable, semi-permeable or impermeable. 2 - See 3479 and 8028......
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1500
Fending groyne, or Bankhead
Groyne which fends the current of flow of water and prevents erosion. Denehy`s groyne is an example of this type (illustrated)......
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1507
Stem bank, or Shank
Embankment connecting a groyne head to the river bank or marginal bund (illustrated).
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1524
Retired embankment
An embankment built at a distance from the river edge behind an existing embankment as a second line of defence. (illustrated)......
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1526
Bank sluice
An opening controlled by shutters or gates in the marginal embankment which are opened during high floods.
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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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1533
Bank protection
1 - A kind of engineering work which aims at protecting the banks of a river, or slopes of embankments along it, from erosion by the current of flow. 2 - See 7986......
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1534
Bank revetment
A type of bank protection continuously covering the entire slope of a bank or an embankment, including the portions extending far into the river bed, to protect the bank from erosion. Bank revetment somewhat resembles canal lining, the difference being that the latter aims at stopping or lessening the seepage of water from a canal into the ground, .....
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1535
Bank paving
The part of revetment extending from the mattress to the top of the banks. See 1544.
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1537
Upper bank
The portion of the river bank that is located above the low water level and below the foreshore level. See 1538.
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1538
Lower bank
The portion of a bank below low water level often extending quite a distance horizontally to the river bed. See 1537.
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1539
Direct bank protection
Kind of works on the bank itself, such as slope protection of embankment and upper bank and toe protection of lower bank against erosion, and grading of sloping surface or provision of drainage layers, to ensure stability against seepage and saturation......
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1542
Indirect bank protection
Kind of works that are not constructed directly on the banks but in front of them with a view to reduce the erosive force of the current either by deflecting the current away from the banks or by inducing deposition in front of them......
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2066
Bank
The rising ground bordering a lake, river or sea; of a river or channel, designated as right or left as it would appear facing downstream......
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2087
Peat
Undercomposed or partly composed organic matter developed essentially under wet anaerobic conditions.
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2090
Sedimentary peat
Peat formed in comparatively deep water from remains of water lilies, pondweed, pollen, plankton, etc.; is highly colloidal, quite compact and rubbery......
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2091
Fibrous peat
Peat formed from sedges of various kinds, mosses, reeds and other grasses, cattails and their mixtures. Hence the names moss peat, sedge peat, reed peat, etc......
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2092
Woody peat
Peat, usually loose and non-fibrous, built up from partially decomposed remains of deciduous and coniferous trees and their undergrowth......
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2100
Older peat
Old, highly decomposed peat of raised moss.
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2101
Younger peat
Young, slightly decomposed peat of raised moss.
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