BS ISO 9825:2005 - Hydrometry. Field measurement of discharge in large rivers and rivers in flood – BSI British Standards

BS ISO 9825:2005

Hydrometry. Field measurement of discharge in large rivers and rivers in flood

Status : Current   Published : October 2005



This International Standard deals specifically with the measurement of discharge in large rivers and the measurement of rivers in flood. It also describes the relevant field measurements when it becomes necessary to use indirect methods of estimating discharge.

It supersedes BS 3680-3M:1990, which is withdrawn.

1. Scope
2. Normative references
3. Terms and definitions
4. Units of measurement
5. Appropriate techniques
6. Nature of difficulties likely to be encountered
    a. Measured parameters
    b. Logistical problems
7. Measurement of discharge in large rivers
    a. Problems of scale 
    b. Current-meter method 
    c. Moving-boat technique
    d. Acoustic Doppler method
    e. Other methods
8. Measurement of flood flows up to bankfull stage 
    a. Problems of flood-flow measurement
    b. Use of floats
    c. Moving-boat technique
    d. Acoustic Doppler method 
    e. Radar 
    f. Weirs
    g. Tracer dilution methods 
    h. Indirect methods
9. Measurement of flood flows above bankfull stage
10. Bibliography

Standard NumberBS ISO 9825:2005
TitleHydrometry. Field measurement of discharge in large rivers and rivers in flood
Publication Date03 October 2005
Confirm Date01 June 2009
Normative References(Required to achieve compliance to this standard)ISO 9555-4, ISO 4359, ISO 4369, ISO 9555-2, ISO 6420, ISO 772/AMD 1:2002, ISO 9555-3, ISO 9213, ISO 9555-1, ISO 1438-1, ISO 4360, ISO 4374, ISO 4377, ISO 748, ISO 6416, ISO 8333:1985, ISO 772, ISO 3847, ISO 4371, ISO 3846, ISO 1070
Informative References(Provided for Information)ISO/TS 15769, WMO 519 OHR 13, 1980
ReplacesBS 3680-3M:1990
International RelationshipsISO 9825:2005
Amended ByCorrigendum, October 2007
DescriptorsHydrometry, Floods, Channel flow, Rivers, Flow measurement, Hydrology, Field testing, Water, Liquid flow
Title in FrenchHydrometrie. Mesurage in situ du debit des grandes rivieres et des debits de crue
Title in GermanFliessmessung in offenen Gerinnen. Feldmessung des Abflusses in grossen Fluessen und Stroemen
ISBN978 0 580 60492 8
File Size406 KB

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