ISO 11329:2001 PDF

Hydrometric determinations — Measurement of suspended sediment transport in tidal channels

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Title (English):

ISO 11329:2001

Hydrometric determinations — Measurement of suspended sediment transport in tidal channels

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: May 24, 2001
Edition:: ISO IS 11329 edition 2 version 1
ICS:: 17.120.20

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Description (English):

This International Standard deals with the method and techniques for the sampling of suspended sediment and estimation of sediment transport rates in natural and man-made channels influenced by tidal action.

Technical details

Technical committee: ISO/TC 113/SC 6 - Sediment transport
SKU: ISO 11329:2001

Abstract

Overview

ISO 11329:2001 - Hydrometric determinations: Measurement of suspended sediment transport in tidal channels provides standardized methods and practical guidance for sampling suspended sediment and estimating sediment transport rates in natural and man‑made channels affected by tidal action. Published by ISO in 2001 (second edition), the standard addresses the special hydraulic and sedimentary complexities of estuaries, creeks and tidal channels where flow reversals, density differences and spatial stratification occur.

Key topics and technical requirements

Scope and purpose: Methods for sampling suspended sediment and calculating transport rates in tidal regimes influenced by both sea and freshwater flows.
Observation duration: Long‑term, continuous measurements are required; for regular semidiurnal tides an observation period of about one full tidal cycle (~13 h) is recommended, and for diurnal or strongly mixed tides a 25 h period is advised.
Sampling frequency and timing: Time between repeated observations at a point should be kept short (≤ 0.5 h). Velocity and water sampling must be simultaneous; velocity records should use ~1‑minute integration and at least three replicates.
Sampling geometry: Cross‑sections should be divided into equally spaced verticals (e.g., at 0.25W, 0.5W, 0.75W or 0.2W, 0.4W,… where W = channel width). Sampling depths on a vertical typically at 0.2z, 0.4z, 0.6z, 0.8z and near surface/bed; for shallow water (

Related standards

Other ISO standards

Overview

Key topics and technical requirements

Scope and purpose: Methods for sampling suspended sediment and calculating transport rates in tidal regimes influenced by both sea and freshwater flows.
Observation duration: Long‑term, continuous measurements are required; for regular semidiurnal tides an observation period of about one full tidal cycle (~13 h) is recommended, and for diurnal or strongly mixed tides a 25 h period is advised.
Sampling frequency and timing: Time between repeated observations at a point should be kept short (≤ 0.5 h). Velocity and water sampling must be simultaneous; velocity records should use ~1‑minute integration and at least three replicates.
Sampling geometry: Cross‑sections should be divided into equally spaced verticals (e.g., at 0.25W, 0.5W, 0.75W or 0.2W, 0.4W,… where W = channel width). Sampling depths on a vertical typically at 0.2z, 0.4z, 0.6z, 0.8z and near surface/bed; for shallow water (

ISO 11329:2001 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

Key topics and technical requirements

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