NF EN ISO 18365
Hydrometry - Selection, establishment and operation of a gauging station
ISO 18365:2013 gives requirements for the establishment and operation of a gauging station for the measurement of stage, or stage and discharge, of a lake, reservoir, river or canal or other artificial open channel. It also describes how a gauging station utilising one of the measurement methods listed should be operated and maintained.Requirements are provided for stage only measurement stations, stage-discharge stations and direct-discharge measurement stations in natural channels, as well as for stage-discharge stations with artificial structures. Additionally, some requirements are given for measurements under difficult conditions, such as under ice conditions.
ISO 18365:2013 gives requirements for the establishment and operation of a gauging station for the measurement of stage, or stage and discharge, of a lake, reservoir, river or canal or other artificial open channel. It also describes how a gauging station utilising one of the measurement methods listed should be operated and maintained.
Requirements are provided for stage only measurement stations, stage-discharge stations and direct-discharge measurement stations in natural channels, as well as for stage-discharge stations with artificial structures. Additionally, some requirements are given for measurements under difficult conditions, such as under ice conditions.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Définitions1
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4 Exigences et considérations d'ordre général1
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4.1 Exigences1
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4.2 Autres contraintes2
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5 Stations hydrométriques de mesurage du niveau d'eau (hauteur) seulement2
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5.1 Étude préliminaire et critères de sélection2
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5.2 Mesurage et enregistrement de la hauteur3
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6 Stations hydrométriques à relation hauteur-débit4
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6.1 Généralités4
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6.2 Principaux éléments d'une station hydrométrique à relation hauteur-débit5
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7 Stations hydrométriques à relation hauteur-débit utilisant des ouvrages hydrauliques6
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7.1 Généralités6
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7.2 Sélection du site7
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8 Stations hydrométriques à relation vitesse-débit8
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8.1 Applications et types d'instruments8
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8.2 Sélection du site8
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8.3 Étalonnage9
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8.4 Méthode ultrasonique (acoustique) de mesure du temps de transit9
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8.5 Doppler9
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8.6 Compteurs de vitesse ultrasoniques (acoustiques) à corrélation (d'échos)10
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8.7 Méthode électromagnétique (bobine sur toute la largeur du canal)11
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9 Mesurage dans des conditions difficiles11
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9.1 En présence de glace et de gel11
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9.2 Croissance de mauvaises herbes11
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9.3 Conditions de sédimentation extrême11
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10 Exploitation et maintenance12
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10.1 Généralités12
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10.2 Stations hydrométriques de mesurage du niveau d'eau (hauteur) seulement12
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10.3 Stations hydrométriques à relation hauteur-débit12
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10.4 Stations hydrométriques à relation hauteur-débit utilisant des ouvrages hydrauliques13
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10.5 Stations hydrométriques à relation vitesse-débit13
- Annexe A (informative) Conditions applicables pour la sélection d'une méthode de mesure du débit14
- Bibliographie17
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