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
207
Error band
A range of values (determined by standard errors, confidence intervals, or similar methods) within which a given value may be supposed to lie with a certain probability......
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219
Control band
1 - The range between control limits. 2 - See 6192.
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1157
Dead water
Water that is not flowing with a significant velocity.
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1519
Bandal
A fascine consisting of a framework with bamboos, etc., driven into the river bed, say 60 cm apart with horizontal ties and supported by struts placed at every 120 cm and a screen or mat of split bamboos (illustrated)......
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1520
Bandalling
A system of river training in India by means of bandals designed to confine the low water flow in a single channel for maintaining a suitable depth for navigation, as also for enabling a greater head for irrigation......
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1556
Dead man, or Deadman
A log or baulk of timber buried in the ground to provide an anchorage for a cable, placed at right angles to the direction of pull on the cable......
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1924
Casparian strip, Casparian dot or Caspary`s band
The strip of material, impermeable to water, present in the radial walls of endodermal cells when these are in the primary condition. In transverse section, the strip appears as an elliptical swelling on the wall, and is then known as the `casparian dot` (illustrated)......
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2116
Dead soils
Soils having a top layer of peat lump.
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2194
Banding fertilizer
The method of placement of commercial fertilizer in concentrated strips. Usually below the soil surface.
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2394
Dead storage capacity, or Dead storage
The storage volume of a reservoir measured below the invert level of the lowest outlet or the minimum operating level. It is also termed Inactive storage......
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2415
Dead storage level
Level of a reservoir corresponding to the lowest outflow level beyond which the water of the reservoir can not be let off......
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4146
Absorbing well, Drain well, Dead well, or Negative well
1 - A shaft or well driven through an impermeable stratum to allow surface water to drain through to a permeable one. 2 - See 2559 (drain well)......
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4605
Bandharas
A series of dams constructed along a stream to feed small irrigation canals.
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5190
Dead furrow
1 - A double furrow left in the middle of the field or between two lands in ploughing (illustrated). 2 - In the bedding system of surface drainage, dead furrows are the linear depressions separating low narrow parallel ridges formed by ploughing. The dead furrows are of a flat V-shape and they discharge water into a field drain, constructed at the .....
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5929
Vertical shore, or Dead shore
Shore used vertically to prop up temporarily any part of a structure.
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6100
Deadheading
Travelling without load, except from the dumping area to the loading point.
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6191
Band
Range of a variable (discharge, water level frequency etc.) between two defined limits.
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6192
Control band
1 - The range within that the value of a controlled variable can be effectively adjusted. 2 - See Control Band (219)
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6194
Dead time
1 - Any definite delay deliberately placed between two related actions in order to avoid overlap that might cause confusion or to permit a particular different event to take place. 2 - The delay between two related actions, measured in units of time......
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6198
Dead band
The range through which a controlled variable can vary without initiating a corrective action.
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6302
Multiband system
System for simultaneously observing the same (small) target with several filtered bands, through which data can be recorded......
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6303
Spectral band
Interval in the electromagnetic spectrum defined by two wavelengths, frequencies, or wave numbers.
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7553
Biological husbandry
See 7552.
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7568
Band application
The placement of chemicals, such as fertilizers or pesticides, in narrow strips on or just below the soil surface, near each row of plants in a row crop......
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8101
Band Width
The digital data transmission rate or capacity of an electronic pathway such as a communications line, computer bus or computer channel. In a digital line, it is measured in bits per second or bytes per second......
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