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Sediment dynamics in fluvial systems is of great ecological, economic and human-health-related significance worldwide. Appropriate management strategies are therefore needed to limit maintenance costs as well as minimize potential hazards to the aquatic and adjacent environments. Human intervention, ranging from nutrient/pollutant release to physical modifications, has a large impact on sediment quantity and quality and thus on river morphology as well as on ecological functioning. Truly understanding sediment dynamics requires as a consequence a multidisciplinary approach.River Sedimentation contains the peer-reviewed scientific contributions presented at the 13th International Symposium on River Sedimentation (ISRS 2016, Stuttgart, Germany, 19-22 September 2016), and includes recent accomplishments in theoretical developments, numerical modelling, experimental laboratory work, field investigations and monitoring as well as management methodologies.
Few processes are as important for environmental geochemistry as the interplay between the oxidation and reduction of dissolved and solid species. The knowledge of the redox conditions is most important to predict the geochemical behaviour of a great number of components, the mobilities of which are directly or indirectly controlled by redox processes. The understanding of the chemical mechanisms responsible for the establishment of measurable potentials is the major key for the evaluation and sensitive interpretation of data. This book is suitable for advanced undergraduates as well as for all scientists dealing with the measurement and interpretation of redox conditions in the natural environment.
Graphical depictions of abstract concepts have played a major role in the formulation and communication of ideas since prehistoric times. The invention of photography in the nineteenth century and more recent advances in visualization techniques have catalyzed an enormous wealth of insights into every field of science and engineering by extending our senses far beyond our natural sensorial capabilities. The field of porous media has also benefited enormously from these developments in visualization techniques. Indeed, improvements in these techniques have led to the better morphological characterization of porous media and an enhanced understanding of the assorted physical processes, such as...
These Proceedings contain both oral and poster contributions to the first interna tional conference" Field Screening Europe - Strategies and Techniques for On-Site Investigation and Monitoring of Contaminated Soil, Water and Air", held in Karls ruhe September 29 - October 1, 1997. Environmental monitoring and the assessment of chemical contaminations are be coming more and more important. The integrated study of environmental con tamination in the field is a rather recent approach. "Field screening" indicates such field analytical tools, (quick) methods and strategies for on-site or in-situ environmental analysis and assessment of contamination. The classical strategy for investigating conta...
This book reviews the interplay between domestic contexts and democracy promotion efforts in selected countries of the former Soviet Union and the Western Balkans. The idea behind the six case studies is twofold. In the three cases where ‘colour revolutions’ occurred (Serbia, Georgia, Ukraine), the authors explore the extent to which external democracy promoters adapted their strategies to respond to new domestic contexts. In the other three cases (Azerbaijan, Belarus, Russia) the authors investigate how the political leadership has reacted to ‘colour revolutions’ elsewhere and which consequences their reactions have had for democracy promotion. In all cases an assessment of democrat...
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