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<br />- <br /> <br />____I <br /> <br />ACKNOWLEDGEMENTS X <br /> <br />NOT A nON XI <br /> <br />GLOSSARY XIII <br /> <br />CHAPTER 1 <br /> <br />CHAPTER 2 <br /> <br />CHAPTER 3 <br /> <br />Introduction 1 <br />1.1 BACKGROUND - I <br />1.2 PURPOSE - 2 <br />1.3 SCOPE - 2 <br /> <br />River Mechanics and Geomorphology 3 <br /> <br />2.1 Introduction - 3 <br /> <br />2.2 River Mmphology - 3 <br />2,2,1 Channel Regime. 4 <br />2,2,2 Channel Planform - 4 <br />2,2,3 Channel Cross Sections. 5 <br />2,2,4 Bank Material. 7 <br />2.3 Fluvial Processes - 7 <br />2,3,1 Basin Dynamics - 7 <br />2,3,2 Controlling Variables - a <br />2.3.3 Sodimentation. 8 <br />2,3,4 Aggradation and Degradation - 9 <br />2,3,5 System Response - 10 <br />2.4 Hydrology. - 11 <br />2,4,1 Int'oduction - 11 <br />2,4,2 Use of Discharge Frequ<lUc:y Information. 11 <br />2.4.3 Use of Flow Duration Information - 12 <br />2.4.4 References - 13 <br />2.5 Summary - 14 <br /> <br />Mech:misms of Streambank Failure 15 <br /> <br />3.1 Introduction - IS <br />3,1.1 Iml30rtance of ldentlficetion - 15 <br />3,1.2 ('..neral Modes of Failu,", - 16 <br />3.2 Erosion From Hydraulic Callses - 16 <br />3,2.1 Inlluencing Variables - 1,' <br />3,2.2 Currant Attack - 17 <br />3,2.3 Rllinfall Runoff - 17 <br />3,2.4 Wave Action - 17 <br />3.3 Failure From Geotechnical Callses - 17 <br />3.3.1 GEotechnical Parameters - 21 <br />3.4 Bank I.c'ss from Combined C1USl"l - 21 <br /> <br />Coloral:1o Erosion Control Manual <br /> <br />III <br />