# ISO 3847:1977 — Withdrawn and superseded ISO standards

For ISO 3847:1977, item title is Liquid flow measurement in open channels by weirs and flumes — End-depth method for estimation of flow in rectangular channels with a free overfall; status code is 9599; successor is ISO 18481:2017; withdrawn / published date is 1977-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3847:1977 _(verified: appears in the quote below)_
- **Item title:** Liquid flow measurement in open channels by weirs and flumes — End-depth method for estimation of flow in rectangular channels with a free overfall _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 18481:2017
- **Withdrawn / published date:** 1977-06-01 _(verified: appears in the quote below)_

## What the source says

> 9409,IS,,ISO 3847:1977,Liquid flow measurement in open channels by weirs and flumes — End-depth method for estimation of flow in rectangular channels with a free overfall,Mesure de débit des liquides dans les canaux découverts au moyen de déversoirs et de canaux jaugeurs — Méthode d'évaluation du débit par détermination de la profondeur en bout des chenaux rectangulaires à déversement dénoyé,1977-06-01,1,['17.120.20'],ISO/TC 113/SC 2,9599,,[62561],"['en','fr']",7,"<p>Specifies a method for the estimation of sub-critical flow of clear water in smooth, straight, rectangular prismatic open channels with a vertical drop and discharging freely. Using the measured depth at the end, the flow in rec

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).