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Author: Horst D. Schulz
Publisher: Springer Science & Business Media
ISBN: 3662042428
Category : Science
Languages : en
Pages : 463
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Book Description
A summary of the latest research in this field. The topics comprise the sedimentological examination and physical properties of the sedimentary solid phase, pore water and pore water constituents, organic matter as the driving force of most microbiological processes, biotic and abiotic redox reactions, carbonates and stable isotopes as proxies for paleoclimate reconstruction, metal enrichments in ferromanganese nodules and crusts as well as in hot vents and cold seeps on the seafloor. The current model conceptions lead to the development of different types of computer models, allowing the global mass exchanges between oceans and sediments to be balanced.
Author: Horst D. Schulz
Publisher: Springer Science & Business Media
ISBN: 3662042428
Category : Science
Languages : en
Pages : 463
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Book Description
A summary of the latest research in this field. The topics comprise the sedimentological examination and physical properties of the sedimentary solid phase, pore water and pore water constituents, organic matter as the driving force of most microbiological processes, biotic and abiotic redox reactions, carbonates and stable isotopes as proxies for paleoclimate reconstruction, metal enrichments in ferromanganese nodules and crusts as well as in hot vents and cold seeps on the seafloor. The current model conceptions lead to the development of different types of computer models, allowing the global mass exchanges between oceans and sediments to be balanced.
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: 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: LucíA H. Sanz
Publisher: Nova Science Publishers
ISBN: 9781614707547
Category : Science
Languages : en
Pages : 185
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Book Description
Metals are naturally present in our environment and trace amounts of metals are essential micronutrients for the growth of many marine organisms. However, excessive amounts of heavy metal can be toxic to marine life. In this book, the authors gather topical research from around the globe in the study of heavy metal sediments. Topics discussed in this compilation include the distribution of heavy metals and total petroleum hydrocarbons in soils near a petrochemical complex in China; heavy metals in coastal sea sediments of the eastern Adriatic Sea; environmental assessments of metal concentrations in select rivers, estuaries and coastal sediments; iron contamination in the Bizerte Lagoon of Tunisia and the correlation between millennial mining activities and heavy metal pollution in Spanish estuaries.
Author: Lucía H. Sanz
Publisher:
ISBN: 9781614706908
Category : Contaminated sediments
Languages : en
Pages : 0
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Book Description
Metals are naturally present in our environment and trace amounts of metals are essential micronutrients for the growth of many marine organisms. However, excessive amounts of heavy metal can be toxic to marine life. In this book, the authors gather topical research from around the globe in the study of heavy metal sediments. Topics discussed in this compilation include the distribution of heavy metals and total petroleum hydrocarbons in soils near a petrochemical complex in China; heavy metals in coastal sea sediments of the eastern Adriatic Sea; environmental assessments of metal concentrations in select rivers, estuaries and coastal sediments; iron contamination in the Bizerte Lagoon of Tunisia and the correlation between millennial mining activities and heavy metal pollution in Spanish estuaries.
Author: Julián Blasco
Publisher: Academic Press
ISBN: 012803372X
Category : Science
Languages : en
Pages : 334
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Book Description
Marine Ecotoxicology: Current Knowledge and Future Issues is the first unified resource to cover issues related to contamination, responses, and testing techniques of saltwater from a toxicological perspective. With its unprecedented focus on marine environments and logical chapter progression, this book is useful to graduate students, ecotoxicologists, risk assessors, and regulators involved or interested in marine waters. As human interaction with these environments increases, understanding of the pollutants and toxins introduced into the oceans becomes ever more critical, and this book builds a foundation of knowledge to assist scientists in studying, monitoring, and making decisions that affect both marine environments and human health. A team of world renowned experts provide detailed analyses of the most common contaminants in marine environments and explain the design and purpose of toxicity testing methods, while exploring the future of ecotoxicology studies in relation to the world’s oceans. As the threat of increasing pollution in marine environments becomes an ever more tangible reality, Marine Ecotoxicology offers insights and guidance to mitigate that threat. Provides practical tools and methods for assessing and monitoring the accumulation and effects of contaminants in marine environments Unites world renowned experts in marine ecotoxicology to deliver thorough and diverse perspectives Builds the foundation required for risk assessors and regulators to adequately assess and monitor the impact of pollution in marine environments Offers helpful insights and guidance to graduate students, ecotoxicologists, risk assessors, and regulators interested in mitigating threats to marine waters
Author: Jeffrey S. Levinton
Publisher: Cambridge University Press
ISBN: 9780521844789
Category : History
Languages : en
Pages : 514
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Book Description
The Hudson River Estuary, first published in 2006, is a scientific biography with relevance to similar natural systems.
Author: J. Bau
Publisher: CRC Press
ISBN: 0203215931
Category : Science
Languages : en
Pages : 275
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Book Description
Papers presented at the International Symposium of Integrated Approaches to Water Pollution Problems [SISIPPA 89], Laboratorio Nacional de Engenharia Civil, Lisbon, Portugal, June 1989.
Author: D. Persaud
Publisher:
ISBN: 9780772992482
Category : Aquatic biology
Languages : en
Pages : 23
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Book Description
Author: Edwin Mwashinga
Publisher: GRIN Verlag
ISBN: 3668698260
Category : Nature
Languages : en
Pages : 83
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Book Description
Master's Thesis from the year 2018 in the subject Environmental Sciences, grade: 76, , language: English, abstract: Rivers are the major sources of water being used in cities and its environs. This water may either be treated or untreated. River banks could be very busy, varied activities ranging from farming to industrial activities and other domestic household activities are conducted. The present study aimed at investigating the potential sources of selected heavy metal contaminants in River Mukurumudzi, Kwale County. Water and sediments were sampled in four points along the river impacted by mining, human settlements and agricultural activities for three different seasons. The samples were analyzed for Iron, Lead, Cadmium, Copper and Arsenic using an AAS. Sediment quality was also analysed by the calculation of CF and I-geo values. Interpretation of results was conducted using Minitab statistical software and Excel spreadsheets. The range of metals in water during the dry season was Fe (0.19-0.32) mg/l, Pb, Cu, Cd and As were below the detection limits. The range of metals in water during the short rain was Fe (0.12-1.25) mg/l and BDL for all other analysed metals. The range of metals in water during the long rain season was Fe (0.07-1.82) mg/l, Cu (0.08-0.11) mg/l and BDL for all the other analysed metals. The range of metals in sediments during dry season was Fe (0.13-1.44) ppm, Pb (0.08-0.54) ppm, and BDL for all other analysed metals. The range of metals in sediments during short rain season was Fe (0.23-1.73) ppm, Pb (0.12-0.27) ppm, and BDL for all other analysed metals. The range of metals in sediments during the long rain season was Fe (0.25-2.75) ppm, Pb (0.09-0.34) ppm, Cu (0.10-0.14) ppm, and BDL for all other analysed metals. The CF values for sediments were all
