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Author : Gertjan Zwolsman
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.F/5 ( download)
Download or read book Geochemistry of Trace Metals in the Scheldt Estuary written by Gertjan Zwolsman and published by . This book was released on 1999 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Baeyens
Publisher : Springer Science & Business Media
ISBN 13 : 9401735735
Total Pages : 200 pages
Book Rating : 4.4/5 (17 download)
Download or read book Trace Metals in the Westerschelde Estuary: A Case-Study of a Polluted, Partially Anoxic Estuary written by W. Baeyens and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oceans and lakes are characterized by large residence times and can thus be considered as being in an equilibrium or quasi-equilibrium state. In contrast, estuaries, which constitute the interface between the fresh water and marine ecosystems, are biogeochemically and physically very dynamic. Strong gradients in physical and chemical variables such as temperature, pH, salinity, dissolved oxygen, nutrients, amount and composition of particulates result from the mixing of fresh water and saline end members. These gradients provoke increased biogeochemical processes, generally resulting in a geochemical filter (the area of high turbidity, showing enhanced adsorption-desorption processes) and a biological filter (the area of high plankton activity showing, besides a high uptake of nutrients, a high accumulation of trace metals). Both filters disturb the conservative mixing pattern of the trace metals in an estuary. In addition, four aspects make the Scheldt estuary very unusual and different from other estuaries: the Scheldt is a tide-governed estuary which means larger residence times; the upper estuary receives large inputs of biodegradable organic matter which leads to oxygen depletion in winter and to anoxic conditions in summer; inputs of toxic pollutants occur in the upper estuary by the industrial park of Antwerp; the anoxic zone, the zone of pollutant input and the zone of the turbidity maximum coincide geographically. The Scheldt estuary is thus an ideal field laboratory for the study of biogeochemical processes which do not occur elsewhere, or only partially, to a very low extent or in a specific compartment, i.e. the sediments. More specifically, redox processes involving trace metals, the formation of non-labile metal complexes, and the methylation of mercury occur as a result of anoxic conditions and the high load of organic matter. Several models describing in detail the transport, the sedimentation and the speciation of the trace metals in this well-mixed estuary (all major estuaries in EC countries adjacent to the North Sea or the Atlantic Ocean are well-mixed) are presented in this book. A comparison of the metal concentrations over a 15-year period shows a net reduction of the pollution level.
Author : REJI SRINIVAS & K SAJAN
Publisher : Archers & Elevators Publishing House
ISBN 13 : 9385640267
Total Pages : 166 pages
Book Rating : 4.3/5 (856 download)
Download or read book AN OVERVIEW OF GEOCHEMISTRY AND SEDIMENTOLOGY OF THE KAYAMKULAM ESTUARY, SOUTHWEST COAST OF INDIA written by REJI SRINIVAS & K SAJAN and published by Archers & Elevators Publishing House. This book was released on with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Academic Press
ISBN 13 : 0080878857
Total Pages : 4604 pages
Book Rating : 4.0/5 (88 download)
Download or read book Treatise on Estuarine and Coastal Science written by and published by Academic Press. This book was released on 2012-03-06 with total page 4604 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of estuaries and coasts has seen enormous growth in recent years, since changes in these areas have a large effect on the food chain, as well as on the physics and chemistry of the ocean. As the coasts and river banks around the world become more densely populated, the pressure on these ecosystems intensifies, putting a new focus on environmental, socio-economic and policy issues. Written by a team of international expert scientists, under the guidance of Chief Editors Eric Wolanski and Donald McClusky, the Treatise on Estuarine and Coastal Science, Ten Volume Set examines topics in depth, and aims to provide a comprehensive scientific resource for all professionals and students in the area of estuarine and coastal science Most up-to-date reference for system-based coastal and estuarine science and management, from the inland watershed to the ocean shelf Chief editors have assembled a world-class team of volume editors and contributing authors Approach focuses on the physical, biological, chemistry, ecosystem, human, ecological and economics processes, to show how to best use multidisciplinary science to ensure earth's sustainability Provides a comprehensive scientific resource for all professionals and students in the area of estuarine and coastal science Features up-to-date chapters covering a full range of topics
Author : Roy Chester
Publisher : John Wiley & Sons
ISBN 13 : 1444311573
Total Pages : 522 pages
Book Rating : 4.4/5 (443 download)
Download or read book Marine Geochemistry written by Roy Chester and published by John Wiley & Sons. This book was released on 2009-04-01 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of Marine Geochemistry received strongcritical acclaim, and the reviews included the comments that it'provides a benchmark in the field' and 'is clearly recognizable asa standard text for years to come'. Marine Geochemistry offers a fully comprehensive andintegrated treatment of the chemistry of the oceans, theirsediments and biota. It addresses the fundamental question 'How dothe oceans work as a chemical system?' by capitalizing on thesignificant advances in understanding oceanic processes made overthe past three decades. These advances have been facilitated byimproved sampling and analytical techniques, a better understandingof theoretical concepts and the instigation of large-sizedinternational oceanographic programs. Designed for use as a text, the book treats the oceans as a'unified system' in which material stored in the sea water, thesediment and the rock reservoirs interacts to control thecomposition of sea water itself. Part I covers the transport ofmaterial to the oceans via rivers, the atmosphere and hydrothermalsystems, and discusses their relative flux magnitudes. Part IIconsiders the oceans as a reservoir, introducing water-columnparameters before discussing water-column fluxes and the benthicboundary layer. Part III is devoted to the sediment reservoir. Thetopics covered include diagenesis, the major components of thesediments, and the processes controlling the geochemistry ofoceanic deposit, which are discussed in terms of sediment-formingsignals. Part IV offers an overview and synthesis of the integratedmarine geochemical system. Since the publication of the first edition, there have beenfurther significant advances in several areas of the subject. Therevised text of this edition accommodates these advances, whilestill retaining the emphasis on identifying key processes operatingwithin a 'unified ocean.' Special attention has been paid tofundamental conceptual changes, such as those related to tracemetal speciation in sea water, hydrothermal activity, carbondioxide and the importance of the oceans in world climate change,the transport of particulate material to the interior of the ocean,primary production and iron limitation, colloids, and thepreservation/destruction of organic matter in marine sediments. Intermediate and advanced students with interests in chemicaloceanography, marine geochemistry, marine biology and environmentalchemistry will welcome this revised comprehensive text. Otherstudents in the broader field of earth sciences will find it to bean essential reference source dealing with the interaction betweenthe atmosphere, the ocean and the solid earth. Incorporates all significant recent advances in thefield. 'Unified system' approach to ocean chemistry. Emphasises geological contexts, e.g. sediment diagenesis.
Author : Geert Arend van den Berg
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.F/5 ( download)
Download or read book Geochemical Behaviour of Heavy Metals in a Sedimentation Area of the Rivers Rhine and Meuse written by Geert Arend van den Berg and published by . This book was released on 1998 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nikos Skoulikidis
Publisher : Springer
ISBN 13 : 3662553694
Total Pages : 436 pages
Book Rating : 4.6/5 (625 download)
Download or read book The Rivers of Greece written by Nikos Skoulikidis and published by Springer. This book was released on 2017-11-16 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides essential information on the origin and evolution of Greek rivers, as well as their ecological and anthropogenic characteristics. The topics covered include geomythology, biogeography, hydrology, hydrobiology, hydrogeochemistry, geological and biogeochemical processes, anthropogenic pressures and ecological impacts, water management – both in the antiquity and today – and river restoration. The book is divided into four parts, the first of which explores the importance of rivers for ancient Greek civilization and the natural processes affecting their evolution during the Holocene. In the second part, the hydrological, hydrochemical and biological features of Greek rivers and the unique biogeographical characteristics that form the basis for their high biodiversity and endemism are highlighted, while the third part comprehensively discusses the impacts of environmental pollution on the structure and function of Greek river ecosystems. In turn, the final part describes the current socio-economic factors in Greece that are affecting established water management practices, the application of ecohydrological approaches in restoring fragmented rivers, and the lessons learned from restoring aquatic ecosystems in general as a paradigm for understanding and minimizing anthropogenic impacts on water resources, at the Mediterranean scale. Given the breadth and depth of its coverage, the book offers an invaluable source of information for researchers, students and environmental managers alike.
Author :
Publisher :
ISBN 13 :
Total Pages : 1200 pages
Book Rating : 4.:/5 (31 download)
Download or read book Marine Research written by and published by . This book was released on 1973 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dionisios Panagiotaras
Publisher : BoD – Books on Demand
ISBN 13 : 9535105868
Total Pages : 516 pages
Book Rating : 4.5/5 (351 download)
Download or read book Geochemistry written by Dionisios Panagiotaras and published by BoD – Books on Demand. This book was released on 2012-05-02 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the knowledge from a variety of topics within the field of geochemistry. The audience for this book consists of a multitude of scientists such as physicists, geologists, technologists, petroleum engineers, volcanologists, geochemists and government agencies. The topics represented facilitate as establishing a starting point for new ideas and further contributions. An effective management of geological and environmental issues requires the understanding of recent research in minerals, soil, ores, rocks, water, sediments. The use of geostatistical and geochemical methods relies heavily on the extraction of this book. The research presented was carried out by experts and is therefore highly recommended to scientists, under- and post-graduate students who want to gain knowledge about the recent developments in geochemistry and benefit from an enhanced understanding of the dynamics of the earth's system processes.
Author : Kristen N. Buck
Publisher : Frontiers Media SA
ISBN 13 : 2889453766
Total Pages : 305 pages
Book Rating : 4.8/5 (894 download)
Download or read book Organic Ligands in Marine Trace Metal Biogeochemistry written by Kristen N. Buck and published by Frontiers Media SA. This book was released on 2018-01-11 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research topic highlights the most recent accomplishments of a Scientific Committee on Oceanic Research (SCOR) Working Group, SCOR WG 139: Organic Ligands - A Key Control on Trace Metal Biogeochemistry in the Ocean.
Author : H. Magdi Selim
Publisher : CRC Press
ISBN 13 : 1439826234
Total Pages : 308 pages
Book Rating : 4.4/5 (398 download)
Download or read book Dynamics and Bioavailability of Heavy Metals in the Rootzone written by H. Magdi Selim and published by CRC Press. This book was released on 2011-03-15 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns regarding heavy metal contamination in terrestrial ecosystems have prompted increasing efforts on limiting their bioavailability in the root zone. The complexity of the hydrologic system gives rise to the need for understanding the fate and transport of trace elements in the soil-water-plant environment. Dynamics and Bioavailability of Hea
Author : Piotr Szefer
Publisher : Elsevier
ISBN 13 : 9780444503527
Total Pages : 776 pages
Book Rating : 4.5/5 (35 download)
Download or read book Metals, Metalloids and Radionuclides in the Baltic Sea Ecosystem written by Piotr Szefer and published by Elsevier. This book was released on 2002-01-30 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents in detail the state of knowledge of the distribution, bioavailability, biomagnification, discrimination, fate and sources of chemical pollutants (metals, metalloids, radionuclides and nutrients) in all compartments (atmosphere, water, deposits, biota) of the Baltic environment. Particular components of the Baltic ecosystem are considered as potential monitors of pollutants. Budgets of chemical elements and the ecological status of the Baltic Sea in the past, present and future are presented. Estimates of health risks to man in respect to some toxic metals and radionuclides in fish and seafood are briefly discussed. The content of the book makes possible the identification of gaps in our environmental knowledge of the Baltic Sea, with certain sections establishing possible priorities, key areas or strategies for future research.
Author : John S. Armstrong-Altrin
Publisher : Springer Nature
ISBN 13 : 9811947821
Total Pages : 529 pages
Book Rating : 4.8/5 (119 download)
Download or read book Geochemical Treasures and Petrogenetic Processes written by John S. Armstrong-Altrin and published by Springer Nature. This book was released on 2022-11-17 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights various aspects of geochemical and geological processes. In brief, it facilitates to understand the geochemical behavior of major, trace and rare earth elements in rocks to identify the magmatic processes involved in present-day magma generation and their relation to global tectonic regimes as well as geothermal studies. Therefore, the book provides a comprehensive view of the generation of magma types (mafic to felsic in composition) and their role in the petrogenesis. The book also covers the development of new geosoftware to effectively process the geochemical data before its interpretation.
Author : United States. National Oceanic and Atmospheric Administration
Publisher :
ISBN 13 :
Total Pages : 1200 pages
Book Rating : 4.:/5 (319 download)
Download or read book Marine Research, 1973 written by United States. National Oceanic and Atmospheric Administration and published by . This book was released on 1973 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Davide Vignati
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.F/5 ( download)
Download or read book Trace Metal Partitioning in Freshwater as a Function of Environmental Variables and Its Implications for Metal Bioavailability written by Davide Vignati and published by . This book was released on 2004 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael J. Kennish
Publisher : CRC Press
ISBN 13 : 1351080059
Total Pages : 265 pages
Book Rating : 4.3/5 (51 download)
Download or read book Ecology of Estuaries written by Michael J. Kennish and published by CRC Press. This book was released on 2019-07-23 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principle objective of this book is to review the biological characteristics of estuaries. The volume has been as a text for undergraduates and graduate students as well as reference for scientists conducting research on estuarine systems. And the rapid development of estuarine ecology as a field of scientific inquiry reflects a growing awareness of the immense societal importance of a coastal ecosystem. While the volume of literature on estuaries amassed, scientists deemed it necessary to synthesize the field periodically. Consiquently, several books have been produced in recent years which examine variuous aspects of the disicpline.
Author : Smithsonian Science Information Exchange
Publisher :
ISBN 13 :
Total Pages : 1478 pages
Book Rating : 4.:/5 (7 download)
Download or read book Environmental Protection Research Catalog: Indexes written by Smithsonian Science Information Exchange and published by . This book was released on 1972 with total page 1478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
