This International Standard deals with the establishment and operation of a gauging station on a lake, reservoir, river or artificial open channel for the measurement of stage or discharge or both. It is generally applicable to the measurement methods described in the International Standards which are noted in clause 2 and it covers only such additional requirements as are necessitated by its wider scope.The requirements for a stage measuring station are set out in clause 5. The requirements for a discharge measuring station are classified under two headings:a) Individual measurements.These include methods suitable for a single measurement of discharge or a limited number of measurements often used to calibrate a station.b) Regular measurements.These include methods suitable for relatively frequent measurements often made over many years.

AS 3778.2.2-2001

AS 3778.2.2-2001

ISO 1100-1 : 1981 - Identical