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Status : Active
Standard Type : Main
Document No : ISO 9827:1994
Document Year : 1994
Pages : 14
Edition : 1
Section Volume : Flow measurement structures (ISO/TC 113/SC 2.)
Specifies methods for the measurement of the flow of water in open channels under steady flow conditions. The flow conditions considered are free flow, which is dependent on the upstream head only, and drowned flow, which depends on both upstream and downstream water levels.