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

Multilingual Technical Dictionary (MTD)

<<    Browsing page 1 of 1    >>
Term No.Term Name/Term DescriptionAction
883
Monomolecular layer, monolayer
A layer of fatty acid or some heavy alcohol, one molecule thick, spread over the water surface for suppression of evaporation from water bodies......
Similar Terms
1030
Confining bed, Confining layer, or Confining stratum
An impervious stratum directly above or below one bearing water.
Similar Terms
1741
Double layer
Arrangements of two oppositely charged ions in layers near the surface of a clay particle.
Similar Terms
1917
Piliferous layer
The young superficial tissue of roots, producing the root hairs.
Similar Terms
2112
Bolster layer
Layer of lumps of non-weathered, coarse-leaved moss peat.
Similar Terms
3030
Viscous sub-layer
A rather thin fluid layer along the smooth boundary of a turbulent fluid flow, in which, due to the proximity of the wall, the turbulence pattern of flow cannot develop freely. Also termed `laminar boundary layer`. (See 3066)......
Similar Terms
3066
Boundary layer, Turbulent boundary layer, Laminar sublayer, Laminar boundary layer, or Laminar film
It is the region near the wall where there is a velocity variation in a water flow. The small laminar region close to the wall is frequently termed as `laminar sublayer`, `laminar boundary layer` or `laminar film`, while the turbulent zone is termed as the `turbulent boundary layer`......
Similar Terms
3069
Free layer
A boundary layer that has left or has detached from a surface and where the velocity gradient is much greater than elsewhere in the flow......
Similar Terms
3119
Saltation
Discontinuous motion of particles above the bed of a channel in series of short hops. Also refers to the same type of movement of soil particles over a land surface during wind erosion......
Similar Terms
3120
Saltation layer
The zone above the bed where the phenomenon of saltation occurs in flowing channel.
Similar Terms
3121
Saltation load
The material bouncing along the bed, or moved, directly or indirectly, by the impact of the bouncing particles.
Similar Terms
3122
Saltation load discharge
The amount of material moved in unit time due to saltation.
Similar Terms
6459
Saltation
Wind and/or water erosion initiated by soil particles bouncing low over an unprotected surface.
Similar Terms
6658
Life layer
1 - Shallow surface zone containing the biosphere.  2 - A zone of interaction between atmosphere and land or ocean surface. .....
Similar Terms
7649
Impermeable layer
A layer of soil resistant to penetration by water, air, or roots.
Similar Terms
7705
Mixing layer or Transition zone
The zone separating regions occupied by two physically or chemically different fluids. A gradient of the mixed fluid properties exists across the layer. .....
Similar Terms
<<    Browsing page 1 of 1    >>