USGS

Computation of Continuous Records of Streamflow

U.S. Geological Survey, Techniques of Water-Resources Investigations, Book 3, Chapter A13

By E. J. Kennedy


Table of Contents

Abstract

Introduction

Field data requirements

Field station description

Gaging-station levels

Discharge measurement

Gage-height record

Datum and gage-height corrections

List of discharge measurements

Discharge ratings

Work curve sheets

Rating tables

Percent differences and shift adjustments

Master curve sheets

Manual computation of gage-height record

Graphic recorders

Dating recorder charts

Pen corrections for time

Pen corrections for gage height

Computing mean daily gage heights

Allowable range in stage

Subdivided days

Mean interval subdivision

Midinterval subdivision

Gage-height record checking

Notes for station analysis

Nonrecording gages

Computing daily mean gage heights

Copying gage heights on form 9-192a

Computation of discharge record

Distribution of shift adjustments

Shift adjustment variation diagrams

Shift adjustments varied with time only

Shift adjustments varied with stage only

Shift adjustments varied with time and stage

ADP procedure

Manual procedure

Records from digital recorders

Primary computation

Notes for station analysis

Updating

Records from graphic recorders

Records from nonrecording gages

Discharge hydrographs

Periods of no gage-height record

Periods of ice effect

Station analysis

Progress documentation

Quality assurance

References cited

Glossary


Back



FirstGov button  Take Pride in America button