Drainage from Sloping Land Using Oblique Drains.

摘要

Contents: Introduction; Sloping sand tank (flume) model (Simulated agricultural drains, Floor drains, Piezometer wells, Water recirculation system, Recharge modules, Water recharge measuring system, Measurement of water table, Aquifer sand); General plan of tests (Variation in water table slope, Recharge (deep percolation), Drain discharge measurements); Drain test data (General, Data from A (90-degree) drains, Data from B (45-degree) drains, Data from C (30-degree) drains, Data from D (0-degree) drains); Summary and analysis of tests; Infiltration recharge vs. drain discharge; Maximum water table between drains; Conclusions and recommendations; Bibliography.