ISO/TR 9212:2006

Hydrometry — Measurement of liquid flow in open channels — Methods of measurement of bedload discharge

ISO/TR 9212:2006 reviews the current status of direct and indirect bedload-measurement techniques. The methods are mainly based on grain size distribution of the bedload, channel width, depth and velocity of flow. ISO/TR 9212:2006 outlines and explains several methods for direct and indirect measurement of bedload in streams, including various types of sampling devices.