Characteristics of urban street sediments in a small sub-tropical catchment, Shatin, Hong Kong.

• Other Authors: Tse, Sui-fai Peter.
• Format: Others
• Language: English
• Published: Chinese University of Hong Kong 1996
• Subjects: Sediments (Geology); Sediments (Geology) > China > Hong Kong; Sediment transport; Sediment transport > China > Hong Kong
• Online Access: http://library.cuhk.edu.hk/record=b5888874; http://repository.lib.cuhk.edu.hk/en/item/cuhk-321638

by Tse Sui-fai, Peter. === Thesis (M.Phil.)--Chinese University of Hong Kong, 1996. === Includes bibliographical references (leaves 161-169). === ABSTRACT --- p.ii === ACKNOWLEDGEMENT --- p.iv === TABLE OF CONTENTS --- p.vi === LIST OF TABLES --- p.ix === LIST OF FIGURES --- p.x === LIST OF PLATES --- p.xi === Chapter CHAPTER I --- INTRODUCTION === Chapter 1.1 --- Scope of the problem --- p.1 === Chapter 1.2 --- Occurrence of urban sediments in an urban setting --- p.6 === Chapter 1.3 --- Nature of urban sediments --- p.9 === Chapter 1.4 --- Importance of studying urban sediment --- p.9 === Chapter 1.5 --- Objectives of this research --- p.10 === Chapter 1.6 --- Structure of this research --- p.10 === Chapter CHAPTER II --- LITERATURE REVIEW === Chapter 2.1 --- Hydrological problems related to urbanisation --- p.13 === Chapter 2.2 --- Importance of the urban sediment on the environment --- p.15 === Chapter 2.2.1 --- Road surface sediments --- p.20 === Chapter 2.2.2 --- Gully pot or catchment sediments --- p.22 === Chapter 2.2.3 --- Sewer sediments --- p.24 === Chapter 2.3 --- Studies on the characteristics of urban sediments --- p.25 === Chapter 2.3.1 --- Particle size and volatile content --- p.26 === Chapter 2.3.2 --- Surface features identification by using the SEM --- p.27 === Chapter 2.3.3 --- Studies in sub-tropical humid areas --- p.28 === Chapter 2.4 --- Problems raised from the previous studies and directions --- p.29 === Chapter CHAPTER III --- STUDY AREA - FO TAN CATCHMENT === Chapter 3.1 --- Introduction --- p.31 === Chapter 3.1.1 --- Hong Kong --- p.32 === Chapter 3.2 --- Fo Tan Catchment --- p.38 === Chapter 3.2.1 --- Geology --- p.44 === Chapter 3.2.2 --- Landuse --- p.48 === Chapter 3.2.3 --- Road surface and traffic characteristics --- p.49 === Chapter 3.2.4 --- Stormwater drainage network --- p.54 === Chapter 3.2.5 --- A unique hydrological year --- p.55 === Chapter 3.3 --- Conclusion --- p.59 === Chapter CHAPTER IV --- METHODOLOGY === Chapter 4.1 --- Rationale for the research method --- p.60 === Chapter 4.1.1 --- Introduction --- p.60 === Chapter 4.1.2 --- Operationalisation of the concept --- p.62 === Chapter 4.1.2.1 --- Street surface sediments --- p.62 === Chapter 4.1.2.2 --- Gully pot sediments --- p.63 === Chapter 4.1.2.3 --- Sewer sediments --- p.63 === Chapter 4.1.2.4 --- Channel deposits --- p.64 === Chapter 4.1.3 --- Study area---Fo Tan --- p.64 === Chapter 4.2 --- Empirical data and their collection --- p.64 === Chapter 4.2.1 --- Sampling sites --- p.64 === Chapter 4.2.2 --- Sample collection --- p.65 === Chapter 4.2.2.1 --- Street surface sediments --- p.66 === Chapter 4.2.2.2 --- Gully pot sediments --- p.66 === Chapter 4.2.2.3 --- Channel deposits --- p.67 === Chapter 4.2.3 --- Sample treatment --- p.67 === Chapter 4.3 --- Analyses of samples --- p.68 === Chapter 4.3.1 --- Particle size distribution --- p.68 === Chapter 4.3.1.1 --- Dry sieving analysis --- p.69 === Chapter 4.3.2 --- Volatile solids --- p.69 === Chapter 4.3.3 --- Surface characteristics of sediment grains --- p.70 === Chapter 4.3.3.1 --- The use of scanning electron microscope (SEM) --- p.70 === Chapter 4.3.3.2 --- Preparation of samples --- p.71 === Chapter 4.3.4 --- Data analysis and presentation --- p.73 === Chapter 4.4 --- Conclusion --- p.74 === Chapter CHAPTER V --- PHYSICAL CHARACTERISTICS OF URBAN SEDIMENTS === Chapter 5.1 --- Introduction --- p.75 === Chapter 5.2 --- Results --- p.76 === Chapter 5.2.1 --- Composition of the street surface sediments --- p.76 === Chapter 5.2.2 --- Street surface sediment loading --- p.79 === Chapter 5.2.3 --- Loading rate with slope factor --- p.86 === Chapter 5.2.4 --- Street sediment loads in different landuse areas --- p.86 === Chapter 5.2.5 --- Particle size distribution of the sediments --- p.88 === Chapter 5.2.5.1 --- Particle sizing for different sites in the same environment --- p.88 === Chapter 5.2.5.2 --- Particle size distribution for different sampling dates --- p.89 === Chapter 5.2.5.3 --- Particle size distribution in different environments --- p.89 === Chapter 5.2.5.5 --- Phi study --- p.91 === Chapter 5.2.6 --- Bivariate scattergram analysis --- p.96 === Chapter 5.3 --- Discussion --- p.100 === Chapter CHAPTER VI --- VOLATILE SOLIDS ANALYSIS === Chapter 6.1 --- Introduction --- p.105 === Chapter 6.2 --- Results --- p.108 === Chapter 6.2.1 --- The mean volatile solids in different environments --- p.108 === Chapter 6.2.2 --- The relationship between phi median and volatile solids content --- p.109 === Chapter 6.2.3 --- Particle size distribution on the volatile solids content --- p.110 === Chapter 6.3 --- Discussion --- p.111 === Chapter 6.3.1 --- Effects of road surface characteristics --- p.111 === Chapter 6.3.2 --- Effects of traffic flow --- p.112 === Chapter 6.3.3 --- Effects of landuse pattern --- p.114 === Chapter 6.4 --- Particle size and volatile solids: a synthesis --- p.114 === Chapter 6.5 --- Conclusion --- p.119 === Chapter CHAPTER VII --- SCANNING ELECTRON MICROSCOPIC STUDY === Chapter 7.1 --- Introduction --- p.120 === Chapter 7.2 --- Results --- p.125 === Chapter 7.2.1 --- Quantitative analysis of the surface features on grains from different depositional environments --- p.125 === Chapter 7.2.2 --- Description of the texture of the samples --- p.130 === Chapter 7.2.3 --- Texture interpretation --- p.142 === Chapter 7.3 --- Discussions --- p.143 === Chapter 7.3.1 --- Surface texture description and its relationship to landuse pattern --- p.143 === Chapter 7.3.2 --- Sediment transport in an urban setting: a synthesis --- p.146 === Chapter CHAPTER VIII --- CONCLUSION === Chapter 8.1 --- Findings of this research --- p.152 === Chapter 8.2 --- Future directions --- p.157 === Chapter 8.2.1 --- Equipment used in reducing urban sediments --- p.157 === Chapter 8.2.2 --- Sweeping practices of the street surface --- p.158 === Chapter 8.2.3 --- The use of SEM in urban sediments --- p.159 === Chapter 8.3 --- Conclusions --- p.160 === REFERENCES --- p.161 === APPENDICES --- p.170