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Mechanics of Bio-Sediment Transport (2020)

Fang, Hongwei. ; Huang, Lei. ; Zhao, Huiming. ; [et al.]

Berlin, Heidelberg :Springer Berlin Heidelberg :

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Keywords: Environmental engineering. ; Biotechnology. ; Bioremediation. ; Environment. ; Water. ; Hydrology. ; Environmental Engineering/Biotechnology. ; Environmental Sciences. ; Water.

Description / Table of Contents: Surface Micro-morphology and Adsorption Properties of Sediment -- Basic Characteristics of Bio-sediment -- Biofilm Growth and the Impacts on Hydrodynamics -- Bedload Transport of Bio-sediment -- Suspended Load Transport of Bio-sediment -- Numerical Simulation of Bio-sediment Transport.

Abstract: The main focus of this book is the transport mechanics of sediment particles coated with microbial biofilm, which is called bio-sediment. The book also addresses the question of how to measure and simulate the considerable variation in the properties of natural sediment associated with microbial biofilm, ranging from the micro-scale surface morphology to the macro-scale sediment transport. Nowadays most studies to elucidate the mechanisms of sediment transport have concentrated on physical-chemical sediment properties, little work explicitly coupled sediment dynamics and the environmental effects under the influence of micro-ecosystem, thus leaving a serious gap in water and sediment sciences as well as water ecological research. With respect to physical-chemical sediment properties, this book has been undertaken to evaluate and quantify the effect of biological factors - biofilm on sediment transport mechanics. The chapters cover topics including development of bio-sediment and its properties; model of biofilm growth on sediment substratum; bedform and flow resistance of bio-sediment bed; incipient velocity and settling velocity of bio-sediment; bedload and suspended load transport for bio-sediment; numerical simulation of bio-sediment transport. Besides, the measurement technology, analysis method and expression approach introduced in this book combine the characteristics of hydraulic, environmental and microbial research, having more immediate innovation. This book will be of interest to researchers, managers, practitioners, policy and decision makers, international institutions, governmental and non-governmental organizations, educators, as well as graduate and undergraduate students in the field of hydraulics and river dynamics. It will help to understand the relevance of sediment transport and biofilm growth under the role of aqueous micro-ecosystem, to introduce better tools for the simulation and prediction of bio-sediment transport, and to provide a scientific basis and application foundation for the research of interaction between sediment particles and ecological and environmental factors.

Type of Medium: Online Resource

Pages: XXVIII, 388 p. 220 illus., 104 illus. in color. , online resource.

Edition: 1st ed. 2020.

ISBN: 9783662611586

URL: https://doi.org/10.1007/978-3-662-61158-6

DOI: 10.1007/978-3-662-61158-6

DDC: 628

Language: English

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Environmental Pollution of the Pearl River Estuary, China : Status and Impact of Contaminants in a Rapidly Developing Region (2020)

Wang, Wen-Xiong. ; Rainbow, Philip S.

Berlin, Heidelberg :Springer Berlin Heidelberg :

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Keywords: Freshwater ecology. ; Marine ecology. ; Environmental chemistry. ; Environment. ; Environmental monitoring. ; Freshwater and Marine Ecology. ; Environmental Chemistry. ; Environmental Sciences. ; Environmental Monitoring.

Description / Table of Contents: Introduction -- Physical Geography -- Pollution in the Pearl River Estuary -- Trace Metals in the Water Column and Sediments -- Trace Metals in Pearl River Estuary Organisms -- Trace Metal Contamination of Seafood from the Pearl River Estuary -- Trace Metals and Ecotoxicological Effects in the Pearl River Estuary -- Future needs.

Abstract: The Pearl River Estuary (PRE) is the Western name for a very large estuary in southern China that is currently home to an industrial metropolis of staggering size, and one that is rapidly evolving. The Chinese name for the Pearl River is Zhujiang. Guangzhou lies at the head of the estuary, and Macau and Hong Kong are on the western and eastern sides, respectively, of the wide opening of the estuary to the South China Sea. The new cities of Zhuhai and Shenzhen lie immediately north of Macau and Hong Kong, respectively. The recent establishment of the Greater Bay Area (GBA), which covers the majority of the Pearl River Delta area, with a total population of over 70 million, will certainly put the PRE under strict environmental scrutiny. The PRE system itself will provide a model system for environmental scientists owing to its major anthropogenic perturbation and influences, as well as the highly dynamic nature of the estuary. This book addresses the major environmental concerns regarding this estuary, contaminants and other pollutants, e.g. toxic metals, organic contaminants and emerging compounds. Questions addressed here include: What are the sources of the contaminants? What have the environmental consequences of these contaminants been for the estuary? What will the future bring? The research presented here on the Pearl River Estuary offers a wealth of insights for other major contaminated estuaries around the world.

Type of Medium: Online Resource

Pages: XI, 125 p. 27 illus., 17 illus. in color. , online resource.

Edition: 1st ed. 2020.

ISBN: 9783662618349

Series Statement: Estuaries of the World,

URL: https://doi.org/10.1007/978-3-662-61834-9

DOI: 10.1007/978-3-662-61834-9

DDC: 577.6