Abstract: Four charts are presented for the selection of standard concrete trapezoidal canals. The charts cover Systeòme International (SI)– and English-dimensioned canals. If the channel invert slope and flow are known, a standard ...

Abstract: Nonuniform irrigation is considered along with an analysis of distribution, efficiency, and deep percolation. Analytical expressions are given for normal, lognormal, uniform, and “specialized power” distributions. Numerical ...