By George Porterfield
Preface
Abstract
Introduction
Types of records
Checklist for daily records
Particle-size analysis
Evaluation of size data
Tabulation of size data
Water temperature
Suspended-sediment concentration
Adequacy of data
Relation between single-vertical and cross-sectional concentrations
Cross-section coefficient
Variation with time
Analysis of cross-section concentration data
Development of a temporal concentration graph
Plotting symbols and scales
Theoretical considerations
Study of past records
Relation of water discharge to concentration
Estimates for periods of missing data
Visual comparison with adequately defined concentration graphs
Hydrographic comparison with records of upstream and downstream stations
Water-sediment relation curves
Examples of the sediment-concentration graph
Snowmelt discharge and sediment concentration
Application of cross-section coefficient
Computation of daily mean concentration
Footnotes
Significant figures
Computer programs
Format of sediment tables
Computation of sediment discharge
Units of measurement
Computation of subdivided days
Mean-interval method
Midinterval method
Sediment-discharge worksheet
Station analysis
Station description heading
Periodic observations
Checklist for periodic records
Combined periodic and seasonal observations
Transmittal of completed data
Selected references
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