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ISO 748:2021PublishedHydrometry — Measurement of liquid flow in open channels — Velocity area methods using point velocity measurementsISO 772:2022PublishedHydrometry — Vocabulary and symbolsISO 1070:2018PublishedHydrometry — Slope-area methodISO 1088:2007PublishedHydrometry — Velocity-area methods using current-meters — Collection and processing of data for determination of uncertainties in flow measurementISO 1438:2017PublishedHydrometry — Open channel flow measurement using thin-plate weirsISO 2425:2010PublishedHydrometry — Measurement of liquid flow in open channels under tidal conditionsISO 2537:2007PublishedHydrometry — Rotating-element current-metersISO 3454:2008PublishedHydrometry — Direct depth sounding and suspension equipmentISO 3455:2021PublishedHydrometry — Calibration of current-meters in straight open tanksISO 3716:2021PublishedHydrometry — Functional requirements and characteristics of suspended-sediment samplersISO 3846:2008PublishedHydrometry — Open channel flow measurement using rectangular broad-crested weirsISO 4359:2022PublishedFlow measurement structures — Rectangular, trapezoidal and U-shaped flumesISO 4360:2020PublishedHydrometry — Open channel flow measurement using triangular profile weirsISO 4362:1999PublishedHydrometric determinations — Flow measurement in open channels using structures — Trapezoidal broad-crested weirsISO 4363:2002PublishedMeasurement of liquid flow in open channels — Methods for measurement of characteristics of suspended sedimentISO 4364:1997PublishedMeasurement of liquid flow in open channels — Bed material samplingISO 4365:2005PublishedLiquid flow in open channels — Sediment in streams and canals — Determination of concentration, particle size distribution and relative densityISO 4366:2007PublishedHydrometry — Echo sounders for water depth measurementsISO 4369:1979PublishedMeasurement of liquid flow in open channels — Moving-boat methodISO 4373:2022PublishedHydrometry — Water level measuring devicesISO 4374:1990PublishedLiquid flow measurement in open channels — Round-nose horizontal broad-crested weirsISO 4375:2014PublishedHydrometry — Cableway systems for stream gaugingISO 4377:2012PublishedHydrometric determinations — Flow measurement in open channels using structures — Flat-V weirsISO 6416:2017PublishedHydrometry — Measurement of discharge by the ultrasonic transit time (time of flight) methodISO 6420:2016PublishedHydrometry — Position fixing equipment for hydrometric boats