Collection of Water Information and Data Processing

水信息采集与处理

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Author: Xie Yuebo
Language: English
ISBN/ISSN: 9787508483351
Published on: 2011-01
Soft Cover

Chapter 1 Hydrometric Stations
1.1 Hydrometric network design
1.1.1 Purpose of network design and classification of network
1.1.2 Principles for designing a base network
1.1.3 Hydrometric networks in some countries
1.2 Selection and reconnaissance of river reaches for hydrometric stations
1.2.1 Contr01 0f hydrometric stations
1.2.2 Selection of stream gauging reaches
1.2.3 Survey for the stream-gauging reaches
1 3 Establishment of hydrometric stations
1.3.1 Procedures of establishing gauging stations and stream gauging stations
1.3.2 Establishment of the cross section and the base line

Chapter 2 Water Level
2.1 0utline
2.1.1 The base level
2.1.2 Water level Or stage
2.2 Instruments for observing stages
2.2.1 Different types of gauges
2.2.2 Automatic recording systems
2.2.3 Stilling well
2.2.4 Accuracy of water level measurements
2.2.5 Presentation of results of water level measurements
2.2.6 International Standards
2.3 Processing of stage records
2.3.1 Checking the datum level and zero point of the gauge
2.3.2 Computation of mean daily stage
2.3.3 Interpolation of stage records
2.3.4 Plotting stage hydrographs
2.3.5 Making average daily hydrograph tables
2.3.6 Selection of stages for various durations
2.3.7 Inspecting the rationality of stage data
3. 1 Introduction
3.1.1 Purpose
3.1.2 Different methods of discharge measurements
3, 2 Measurement of cross Section
3.2.1 Introduction
3.2.2 Measurement of depth
3.2.3 Position of verticals
3.2.4 Data processing and computation
3.2.5 International standards
3.3 Velocity of flow
3.3.1 Pulsation of the velocity
3.3.2 Velocity distribution
3.3.3 Current meter
3.4 Current meter measurement and discharge computation
3.4.1 Theory
3.4.2 Arrangement of verticals and points for velocity measurement
3.4.3 Duration of measurement
3.4.4 Computation of discharge
3.5 Measurement of discharge by float method
3.5.1 Principle and method of measuring stream flow by a float
3.5.2 Float coefficient
3.5.3 Computation of discharge for surface float method
3.5.4 Computation of discharge from mean velocity by float method
3.5.5 Example of a subsurface float
3.6 Other methods of flow measurement
3.6.1 Dilution (tracer) method of flow measurement
3.6.2 Flow measuring structures
3.6.3 Measurement of discharge by ultrasonic wave method
3.6.4 Electromagnetic method
3.6.5 Flow measurement in hydroelectric station
3.6.6 Limited number of verticals (the h3/2 method)
3.6.7 Moving boat method
3.6.8 Slope area method
3.6.9 The Acoustic Doppler Current Profiler. ADCP
3.6.10 Remarks
3.7 Errors in measurement and computation of discharge
3.7.1 Errors in measuring discharge
3.7.2 Computational error of discharge
3.7.3 Analysis and estimation of the composite error
3.7.4 Error due to reduction
3.7.5 Accuracy of discharge measurements by velocity——area methods
3.7.6 Selection of methods

Chapter 3 Discharge Measurement
Chapter 4 Compilation of Stream Flow Data
Chapter 5 Sediment Observation and Sediment Data Compilation
Chapter 6 Groundwater Monitoring
Chapter 7 Collection of Water Quality Information
REVIEW AND QUESTION



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