Ключевые слова:
Hydrometry, Liquid flow, Flow, Water, Channel flow, Flow measurement, Weirs (measurement), Flowmeters, Flow rates, Rectangular shape, Triangular shape, Dimensions, Notches, Calibration, Liquid-level indicators, Level control, Error analysis, Accuracy, Rivers, Size, Rate flowmeters, Liquid-level measurement, Installation, Estimation, Confidence limits