ISO 6421:2012
Hydrometry — Methods for assessment of reservoir sedimentation
This International Standard describes methods for the measurement of temporal and spatial changes in
reservoir capacities due to sediment deposition.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Origin of the sediment deposited in the reservoir
4.2 Overview of reservoir-sedimentation assessment methods
5 Sediment transport balance
6 Topographic survey methods
6.1 General
6.2 Reservoir sedimentation surveys
6.3 Frequency
6.4 Survey equipment
6.5 Density measurements and sediment samplers
7 Topographic survey using the contour method
7.1 General
7.2 Hydrographic survey
7.3 Topographic surveys
7.4 Computation of reservoir capacity
8 Topographic survey using a cross-sectional (range line) method
8.1 General
8.2 Reference frames/graphs
8.3 Calculation of reservoir capacity
9 Sub-bottom mapping
10 Remote-sensing methods
10.1 General
10.2 Advantages
10.3 Limitations
11 Light detection and ranging
11.1 General
11.2 Aerial applications of LiDAR
11.3 Ground-based applications of LiDAR
12 Aerial imagery methods
12.1 General
12.2 Photogrammetry methods
12.3 Satellite imagery methods
13 Uncertainty analysis
13.1 General
13.2 Principles
13.3 Estimation of uncertainty
Annex A (informative) Optimization of the arrangement of ranges
Annex B (informative) Introduction to measurement uncertainty
Bibliography
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Related Information
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BS 3680-10B:1980
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BS 3680-2A:1995
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CVP_Secretariat_Loca
Bibliography
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Origin of the sediment deposited in the reservoir
4.2 Overview of reservoir-sedimentation assessment methods
5 Sediment transport balance
6 Topographic survey methods
6.1 General
6.2 Reservoir sedimentation surveys
6.3 Frequency
6.4 Survey equipment
6.5 Density measurements and sediment samplers
7 Topographic survey using the contour method
7.1 General
7.2 Hydrographic survey
7.3 Topographic surveys
7.4 Computation of reservoir capacity
8 Topographic survey using a cross-sectional (range line) method
8.1 General
8.2 Reference frames/graphs
8.3 Calculation of reservoir capacity
9 Sub-bottom mapping
10 Remote-sensing methods
10.1 General
10.2 Advantages
10.3 Limitations
11 Light detection and ranging
11.1 General
11.2 Aerial applications of LiDAR
11.3 Ground-based applications of LiDAR
12 Aerial imagery methods
12.1 General
12.2 Photogrammetry methods
12.3 Satellite imagery methods
13 Uncertainty analysis
13.1 General
13.2 Principles
13.3 Estimation of uncertainty
Annex A (informative) Optimization of the arrangement of ranges
Annex B (informative) Introduction to measurement uncertainty
Bibliography