TY  - JA
AU  - Bazaraa,A.S.
AU  - Abdel Dayem,M.S.
AU  - Amer,A.
AU  - Willardson,L.S.
TI  - Artesian and anisotropic effects on drain spacing
PY  - 1986///
KW  - Drainage systems
KW  - Hydraulic engineering
KW  - Hydraulic structures
KW  - Subsurface drainage
N1  - Tables, graphs, references p. 64
N2  - Subsurface drainage systems installed in soil overlying artesian aquifers should be spaced to handle both upward artesian water flow and normal downward seepage flow from irrigation and rainfall. Proper drain spacing depends on several parameters, while a narrower than normal spacing is required for drains subject to artesian conditions. The hydraulic conductivity of the soil above an artesian aquifer determines the ease with which water flows to the drains and the magnitude of the upward artesian water flux for a given piezometric head andsoil layer thickness. Since water movement to subsurface drains depends on both the horizontal and vertical
T2  - Journal of Irrigation and Drainage Engineering
ER  -