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en:manuel_reference:modeles_stat:field_protocol [2024/06/05 16:06] – qroyer | en:manuel_reference:modeles_stat:field_protocol [2024/06/05 16:08] (current) – qroyer | ||
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the only equipment needed is a graduated rod to measure water depth, a decameter (or a distance-meter in large rivers) to measure the wetted width. A boat is generally necessary in deep and/or fast-flowing rivers. | the only equipment needed is a graduated rod to measure water depth, a decameter (or a distance-meter in large rivers) to measure the wetted width. A boat is generally necessary in deep and/or fast-flowing rivers. | ||
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* the length of the reach (m) | * the length of the reach (m) | ||
- | ===== Le "contrôle qualité" | + | ===== A posteriori |
- | Quelques éléments permettent aux spécialistes de repérer des problèmes techniques probables | + | A few elements allow specialists to identify potential technical problems: |
- | * les hauteurs et largeurs mesurées sont généralement supérieures au débit le plus fort. Si cela n'est pas le cas, il faut comprendre pourquoi ou remettre en cause les mesures. | + | * the heights and widths measured are generally greater than the highest flow rate. If this is not the case, it is necessary to understand why or to question the measures. |
- | * les exposants de géométrie hydraulique | + | * the hydraulic geometry exponents |
- | * les valeurs de hauteur et de largeur estimées au Q50 doivent être réalistes | + | * the height and width values estimated at Q50 must be realistic. The Froude |
- | * Les photos | + | * The photos |
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