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Author: Dr. T. Lakshmi Prasad ,Dr. K. Nagalakshmi,Dr. M. Pramod Kumar ,Prof. N. Jayaraju & Prof. SS. Asadi
Publisher: Laxmi Book Publication
ISBN: 1304905187
Category : Art
Languages : en
Pages : 306
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Book Description
The properties of sediment particles, transportation and their deposition in the sedimentary environments can be deciphered by the granumlometric studies, which also provide critical information regarding sedimentary provenance and depositional conditions. Many factors like currents and wave activities, offshore and onshore movements, transgression and regression of the sea levels, periodic storms, confluence of streams, rivulets and rivers into the oceans can influence the grain size in the depositional environments. Variations in the size of the grains reflect various earth surface processes viz., developmental processes of landforms. So, many researchers from all over the world carried out panoptic research and emphasized the significance of granulometric analysis to understand and to distinguish various depositional environments viz., estuarine, lacustrine, fluvial and marine etc., in particular in the coastal realms.
Author: Dr. T. Lakshmi Prasad ,Dr. K. Nagalakshmi,Dr. M. Pramod Kumar ,Prof. N. Jayaraju & Prof. SS. Asadi
Publisher: Laxmi Book Publication
ISBN: 1304905187
Category : Art
Languages : en
Pages : 306
Get Book Here
Book Description
The properties of sediment particles, transportation and their deposition in the sedimentary environments can be deciphered by the granumlometric studies, which also provide critical information regarding sedimentary provenance and depositional conditions. Many factors like currents and wave activities, offshore and onshore movements, transgression and regression of the sea levels, periodic storms, confluence of streams, rivulets and rivers into the oceans can influence the grain size in the depositional environments. Variations in the size of the grains reflect various earth surface processes viz., developmental processes of landforms. So, many researchers from all over the world carried out panoptic research and emphasized the significance of granulometric analysis to understand and to distinguish various depositional environments viz., estuarine, lacustrine, fluvial and marine etc., in particular in the coastal realms.
Author: Hiroshi Hasegawa
Publisher: Springer
ISBN: 4431557598
Category : Technology & Engineering
Languages : en
Pages : 257
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Book Description
This book presents a comprehensive and detailed description of remediation techniques for metal-contaminated soils derived from both natural processes and anthropogenic activities. Using a methodical, step-by-step presentation, the book starts by overviewing the origin of toxicants and the correlated comparative extent of contamination to the environment. The legal provisions as proposed or applied in different countries are then discussed to explain the global regulatory situation regarding soil contamination and the extent of consequent concern. The core part of this publication describes the major techniques for in situ or ex situ treatment of the contaminated soil to meet the regulatory limits. Finally, risk evaluation is incorporated, giving special attention to possible impacts during or after implementation of the remediation strategies. The intrusion of metals in soils mostly occurs from various anthropogenic activities, e.g., agricultural practices, industrial activities, and municipal waste disposal. The volumes of metal-contaminated soil are becoming greater than before and are ever-increasing due to rapid urbanization, intensified industrialization, and/or population booms in certain parts of the world. Hence, the options previously proposed, such as isolation of the contaminated site or movement of the contaminated mass to a secure disposal site after excavation, are becoming unsuitable from the economic point of view, and instead, decontamination alternatives are preferred. This book will help readers such as scientists and regulators to understand the details of the remediation techniques available to deal with the soils contaminated by toxic metals.
Author: Wim Salomons
Publisher: Springer Science & Business Media
ISBN: 3642693253
Category : Science
Languages : en
Pages : 366
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Book Description
Author: Bernd Westrich
Publisher: Springer Science & Business Media
ISBN: 3540347852
Category : Science
Languages : en
Pages : 463
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Book Description
This is the first interdisciplinary book on the mobilization of nutrients and pollutants in the water phase due to hydrodynamic processes. Coverage includes the formation of aggregates in turbulent water; flocks and biofilms from organic reactions; and the formation of new surfaces for re-adsorption of dissolved pollutants. The book gathers papers resulting from an International Symposium on Sediment Dynamics and Pollutant Mobility in River Basins in Hamburg, Germany, March, 2006.
Author: Robert P. Mason
Publisher: John Wiley & Sons
ISBN: 1405160489
Category : Science
Languages : en
Pages : 450
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Book Description
This book provides a detailed examination of the concentration, form and cycling of trace metals and metalloids through the aquatic biosphere, and has sections dealing with the atmosphere, the ocean, lakes and rivers. It discusses exchanges at the water interface (air/water and sediment/water) and the major drivers of the cycling, concentration and form of trace metals in aquatic systems. The initial chapters focus on the fundamental principles and modelling approaches needed to understand metal concentration, speciation and fate in the aquatic environment, while the later chapters focus on specific environments, with case studies and research highlights. Specific examples deal with metals that are of particular scientific interest, such as mercury, iron, arsenic and zinc, and the book deals with both pollutant and required (nutrient) metals and metalloids. The underlying chemical principles controlling toxicity and bioavailability of these elements to microorganisms and to the aquatic food chain are also discussed. Readership: Graduate students studying environmental chemistry and related topics, as well as scientists and managers interested in the cycling of trace substances in aqueous systems Additional resources for this book can be found at: www.wiley.com/go/mason/tracemetals.
Author: Stéphane Pesce
Publisher: Frontiers Media SA
ISBN: 2889638812
Category :
Languages : en
Pages : 569
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Book Description
Author: George W. Ware
Publisher: Springer Science & Business Media
ISBN: 1461216842
Category : Science
Languages : en
Pages : 160
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Book Description
Reviews of Environmental Contamination and Toxicology provides detailed review articles concerned with aspects of chemical contaminants, including pesticides, in the total environment with toxicological considerations and consequences. C.E. CASTRO: Environmental Dehalogenation-Chemistry and Mechanism M.J. KENNISH: Trace Metal-Sediment Dynamics in Estuaries: Pollution Assessment R.D. VINEBROOKE AND R. CULLIMORE: Natural Organic Matter and the Bound Water Concept in Aquatic Ecosystems
Author: U. Förstner
Publisher: Springer Science & Business Media
ISBN: 3642693857
Category : Science
Languages : en
Pages : 502
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Book Description
Aquatic chemistry is becoming both a rewarding and substantial area of inquiry and is drawing many prominent scientists to its fold. Its literature has changed from a compilation of compositional tables to studies of the chemical reactions occurring within the aquatic environments. But more than this is the recognition that human society in part is determining the nature of aquatic systems. Since rivers deliver to the world ocean most of its dissolved and particulate components, the interactions of these two sets of waters determine the vitality of our coastal waters. This significant vol ume provides not only an introduction to the dynamics of aquatic chem istries but also identifies those materials that jeopardize the resources of both the marine and fluvial domains. Its very title provides its emphasis but clearly not its breadth in considering natural processes. The book will be of great value to those environmental scientists who are dedicated to keeping the resources of the hydrosphere renewable. As the size of the world population becomes larger in the near future and as the uses of materials and energy show parallel increases, the rivers and oceans must be considered as a resource to accept some of the wastes of society. The ability of these waters and the sediments below them to accommodate wastes must be assessed continually. The key questions relate to the capacities of aqueous systems to carry one or more pollutants.
Author: Sanjeev Sharma
Publisher: John Wiley & Sons
ISBN: 1119692687
Category : Science
Languages : en
Pages : 324
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Book Description
Wetlands Conservation An up-to-date overview of approaches for addressing wetlands degradation and its effects on ecosystem services, human health, and other ecosystems Wetlands are essential sources of biodiversity, water purification, groundwater replenishment, flood control, storm protection, sediment retention, recreation and tourism, and more. Human exploitation of natural resources over the past 200 years has caused significant wetlands degradation and loss. Although the Ramsar Convention of 1971 drafted polices for wetland conservation and responsible use, many wetland sites remain inadequately conserved or managed. Maintaining the ecological balance and equilibrium of wetlands requires a clear understanding of the vital role of wetlands, the difficulties they face, and the policies enacted for their protection. Wetlands Conservation: Current Challenges and Future Strategies summarizes both current and emerging management strategies, trends, and policies regarding wetlands protection around the world. The authors provide accurate scientific information on wetlands while discussing the effects of climate change, global warming, modernization in agriculture, and other key topics. Designed to assist in the development of future solutions for wetlands conservation and management strategies, this important volume: Highlights the environmental, socioeconomic, and cultural importance of wetlands Identifies the factors responsible for the failure of many conservation initiatives Describes the natural and anthropogenic factors of wetlands degradation Discusses the role of community-based wetlands conservation and management Explores Ramsar wetlands conservation and its impacts worldwide Wetlands Conservation: Current Challenges and Future Strategies is an invaluable resource for graduate and postgraduate students, researchers, ecologists, policymakers, conservation organizations, and others working in the field of natural resources management.
Author: Sughosh Madhav
Publisher: Springer Nature
ISBN: 303084255X
Category : Science
Languages : en
Pages : 392
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Book Description
This volume incorporates theoretical and practical knowledge through case studies and reviews to serve as a baseline of information for coastal ecosystem research, and discusses the impacts of pollution, industrialisation, agriculture and climate change on coastal ecosystem biogeochemistry and biodiversity. The case studies address the role of coastal ecosystems as a carbon sink which is getting impacted by anthropogenic disturbances. Through this analysis, the book covers various strategies for the conservation and management of coastal ecosystems, considering their unique ecological and biogeochemical attributes and region-specific threats and impacts. The book will be of interest to a wide range of readers including students, researchers and professionals in coastal ecosystem science, coastal pollution, climate change adaptation, biodiversity conservation and environmental management.
