Specifies methods of determining the stage-discharge relation for a gauging station in both stable and unstable channels, including those subject to ice conditions. Includes an analysis of the uncertainties involved in the preparation and use of the stage-discharge relation.Cross References:ISO 31:1992ISO 772:1996ISO 1000:1992ISO/TR 5168ISO 6416:1992ISO/TR 9123:1986ISO 9196:1992ISO 9213:1992ISO 748:1997ISO 1070:1992ISO 1100-1:1996ISO 1438-1:1980ISO 3846:1989ISO 3847:1977ISO 4359:1983ISO 4360:1984ISO 4362:1992ISO 4369:1979ISO 4374:1990ISO 4377:1990ISO/TR 7066-1:1997ISO/TR 7178:1983ISO 8333:1985ISO/TR 9210:1992ISO 9825:1994ISO 9826:1992