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TOC
CHAPT 1. INTRODUCTION
1.1 PURPOSE
1.2 BACKGROUND
1.3 COMPREHENSIVE ANALYSIS
1.4 FACTORS THAT AFFECT STREAM STABILITY
1.5 IDENTIFICATION AND ANALYSIS OF STREAM STABILITY PROBLEMS
1.6 ANALYSIS METHODOLOGY
1.7 MANUAL ORGANIZATION
1.8 DUAL SYSTEM OF UNITS
CHAPT 2. GEOMORPHIC FACTORS AND PRINCIPLES
2.1 INTRODUCTION
2.2 LANDFORM EVOLUTION
2.3 GEOMORPHIC FACTORS AFFECTING STREAM STABILITY
2.3.1 Overview
2.3.2 Stream Size
2.3.3 Flow Habit
2.3.4 Bed Material
2.3.5 Valley Setting
2.3.6 Floodplains
2.3.7 Natural Levees
2.3.8 Apparent Incision
2.3.9 Channel Boundaries and Vegetation
2.3.10 Sinuosity
2.3.11 Braided Streams
2.3.12 Anabranched Streams
2.3.13 Variability of Width and Development of Bars
2.4 AGGRADATION/DEGRADATION AND THE SEDIMENT CONTINUITY CONCEPT
2.4.1 Aggradation/Degradation
2.4.2 Overview of the Sediment Continuity Concept
2.4.3 Factors Initiating Bed Elevation Changes
CHAPT 3. ANALYSIS PROCEDURES FOR STREAM INSTABILITY
3.1 INTRODUCTION
3.2 GENERAL SOLUTION PROCEDURE
3.3 DATA NEEDS
3.3.1 Data Needs for Level 1 Qualitative and Other Geomorphic Analyses
3.3.2 Data Needs for Level 2 Basic Engineering Analyses
3.3.3 Data Needs for Level 3 Mathematical and Physical Model Studies
3.4 DATA SOURCES
3.5 LEVEL 1: QUALITATIVE GEOMORPHIC ANALYSES
3.5.1 Step 1. Define Stream Characteristics
3.5.2 Step 2. Evaluate Land Use Changes
3.5.3 Step 3. Assess Overall Stream Stability
3.5.4 Step 4. Evaluate Lateral Stability
3.5.5 Step 5. Evaluate Vertical Stability
3.5.6 Step 6. Evaluate Channel Response to Change
3.6 LEVEL 2: BASIC ENGINEERING ANALYSES
3.6.1 Step 1. Evaluate Flood History and Rainfall-Runoff Relations
3.6.2 Step 2. Evaluate Hydraulic Conditions
3.6.3 Step 3. Bed and Bank Material Analysis
3.6.4 Step 4. Evaluate Watershed Sediment Yield
3.6.5 Step 5. Incipient Motion Analysis
3.6.6 Step 6. Evaluate Armoring Potential
3.6.7 Step 7. Evaluation of Rating Curve Shifts
3.6.8 Step 8. Evaluate Scour Conditions
3.7 LEVEL 3: MATHEMATICAL AND PHYSICAL MODEL STUDIES
3.8 ILLUSTRATIVE EXAMPLES
CHAPT 4. RECONNAISSANCE, CLASSIFICATION, AND RESPONSE
4.1 INTRODUCTION
4.2 STREAM RECONNAISSANCE
4.2.1 Stream Reconnaissance Techniques
4.2.2 Specific Applications
4.2.3 Assessment of Potential Drift Accumulations
4.3 STREAM CHANNEL CLASSIFICATION
4.3.1 Overview
4.3.2 Channel Classification Concepts
4.4 QUALITATIVE EVALUATION OF CHANNEL RESPONSE
4.4.1 Overview
4.4.2 Lane Relation and Other Geomorphic Concepts
4.4.3 Stream System Response
4.4.4 Complex Response
4.5 RAPID ASSESSMENT OF CHANNEL STABILITY
CHAPT 5. HYDRAULIC FACTORS AND PRINCIPLES
5.1 INTRODUCTION
5.2 BASIC HYDRAULIC PRINCIPLES
5.2.1 Continuity Equation
5.2.2 Energy Equation
5.2.3 Manning’s Equation
5.3 HYDRAULIC FACTORS AFFECTING STREAM STABILITY
5.3.1 Overview
5.3.2 Magnitude and Frequency of Floods
5.3.3 Bed Configurations in Sand-Bed Streams
5.3.4 Resistance to Flow
5.3.5 Water Surface Profiles
5.4 GEOMETRY AND LOCATION OF HIGHWAY STREAM CROSSINGS
5.4.1 Problems at Bends
5.4.2 Problems at Confluences
5.4.3 Backwater Effects of Alignment and Location
5.4.4 Effects of Highway Profile
5.5 BRIDGE DESIGN
5.5.1 Scour at Bridges
5.5.2 Abutments
5.5.3 Piers
5.5.4 Bridge Foundations
5.5.5 Superstructures
CHAPT 6. QUANTITATIVE TECHNIQUES FOR STREAM STABILITY ANALYSIS
6.1 INTRODUCTION
6.2 LATERAL CHANNEL STABILITY
6.2.1 Meander Migration
6.2.2 Evaluation and Prediction of Lateral Migration
6.3 VERTICAL CHANNEL STABILITY
6.3.1 Overview
6.3.2 Degradation Analysis
6.3.3 Sediment Continuity Analysis
CHAPT 7. CHANNEL RESTORATION CONCEPTS
7.1 INTRODUCTION
7.2 CHANNEL RESTORATION AND REHABILITATION
7.3 DESIGN CONSIDERATIONS FOR CHANNEL RESTORATION
CHAPT 8. LITERATURE CITED
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