Development of the revised USDA–NRCS intake families for surface irrigation

In the absence of localized field data the US Department of Agriculture–Natural Resources and Conservation Service (USDA–NRCS) intake families have often provided sufficient information for preliminary design, evaluation, or management of surface irrigation systems. However, to more fully utilize advances in procedures for field data collection and analysis as well as the software to automate the hydraulic computations, it has become necessary...