Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom
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Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom
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Author : F.J. Los
language : en
Publisher: IOS Press
Release Date : 2009-03-03
Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom written by F.J. Los and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-03 with Science categories.
In many areas nutrient loadings to aquatic ecosystems have increased considerably as a result of population growth, industrial development and urbanisation. This has resulted in enhanced growth of phytoplankton, shifts in composition of the plankton community and changes in the structure of ecosystems, which are often considered to be objectionable. To help understanding these processes and to predict future conditions, a mathematical model, BLOOM, has been developed and applied since 1977. It simulates the biomass and composition of phytoplankton and macro algae in relation to the amount of nutrients, the under water light climate and grazing. It can be applied as a relatively simple screening tool, but also as part of advanced integrated modelling systems including additional hydrodynamic, suspended matter and habitat components. The model has been extensively validated, which means that its credibility was demonstrated systematically for certain types of applications. It has been applied as a supporting management tool to a very large number of aquatic systems worldwide: lakes, channel systems, estuaries, lagoons and coastal seas, using generic coefficients (one set for fresh water, one set for marine simulations) as much as possible. The principles of the model, its validation and a number of representative applications are described in Eco-Hydrodynamic Modelling of Primary Production in Coastal Waters and Lakes Using BLOOM.
Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom
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Author : Hans Los
language : en
Publisher: IOS Press
Release Date : 2009
Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom written by Hans Los and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
In many areas nutrient loadings to aquatic ecosystems have increased considerably as a result of population growth, industrial development and urbanisation. This has resulted in enhanced growth of phytoplankton, shifts in composition of the plankton community and changes in the structure of ecosystems, which are often considered to be objectionable. To help understanding these processes and to predict future conditions, a mathematical model, BLOOM, has been developed and applied since 1977. It simulates the biomass and composition of phytoplankton and macro algae in relation to the amount of nutrients, the under water light climate and grazing.
Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom
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Author : Hans Los.
language : en
Publisher:
Release Date : 2009
Eco Hydrodynamic Modelling Of Primary Production In Coastal Waters And Lakes Using Bloom written by Hans Los. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Ecology Of Cyanobacteria Ii
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Author : Brian A. Whitton
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-07-05
Ecology Of Cyanobacteria Ii written by Brian A. Whitton and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-05 with Science categories.
Cyanobacteria have existed for 3.5 billion years, yet they are still the most important photosynthetic organisms on the planet for cycling carbon and nitrogen. The ecosystems where they have key roles range from the warmer oceans to many Antarctic sites. They also include dense nuisance growths in nutrient-rich lakes and nitrogen-fixers which aid the fertility of rice-fields and many soils, especially the biological soil crusts of arid regions. Molecular biology has in recent years provided major advances in our understanding of cyanobacterial ecology. Perhaps for more than any other group of organisms, it is possible to see how the ecology, physiology, biochemistry, ultrastructure and molecular biology interact. This all helps to deal with practical problems such as the control of nuisance blooms and the use of cyanobacterial inocula to manage semi-desert soils. Large-scale culture of several organisms, especially "Spirulina" (Arthrospira), for health food and specialist products is increasingly being expanded for a much wider range of uses. In view of their probable contribution to past oil deposits, much attention is currently focused on their potential as a source of biofuel. Please visit http://extras.springer.com/ to view Extra Materials belonging to this volume. This book complements the highly successful Ecology of Cyanobacteria and integrates the discoveries of the past twelve years with the older literature.
The Role Of Bathymetry Wave Obliquity And Coastal Curvature In Dune Erosion Prediction
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Author : C. den Heijer
language : en
Publisher: IOS Press
Release Date : 2013-04-17
The Role Of Bathymetry Wave Obliquity And Coastal Curvature In Dune Erosion Prediction written by C. den Heijer and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Nature categories.
In the Netherlands, half of the population lives in coastal areas below mean sea level.
Making Sense Of Virtual Risks
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Author : Casper Harteveld
language : en
Publisher: IOS Press
Release Date : 2012
Making Sense Of Virtual Risks written by Casper Harteveld and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Computers categories.
Along with the rise of digital games over the past decades came an increased interest for using games for other purposes than entertainment. Although a few successes are known, much research seems to suggest little evidence for games' advantages. Existing literature claims that more studies are needed that investigate the effective design and use of games and especially studies that are comprehensive, rigorous, and innovative. To contribute to this emerging field, the author investigated the case of Levee Patroller. The target audience of the game, levee patrollers, are considered the "eyes and ears" of the Dutch water authorities. They inspect levees and report any risks they encounter. Similarly, in the game players have to find all virtual failures in a region and report these. If they do not find the failures in time or report them incorrectly, it could result in a levee breach that floods the whole virtual region.
The Influence Of Turbulence On Soil Erosion
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Author : Gijs J. C. M. Hoffmans
language : en
Publisher: Eburon Uitgeverij B.V.
Release Date : 2012
The Influence Of Turbulence On Soil Erosion written by Gijs J. C. M. Hoffmans and has been published by Eburon Uitgeverij B.V. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Scour (Hydraulic engineering). categories.
This publication outlines the relevance of turbulence on the initiation of motion of soil and explains the interaction between the load and the resistance against erosion or the strength of the bed material. The stability of stones, sand, clay and grass is discussed by using Newton's second law and a definition of the turbulence energy. Usually the equilibrium scour depth caused by jets and at piers/abutments is predicted by applying empirical relations. This publication discusses a scour approach which is based on two steps. First, a control volume that represents the scour hole is considered. Secondly, the relevant forces are determined. Newton's second law is applied, that is, the sum of forces equals zero since the scour hole is in equilibrium. This approach is discussed for different types of jet scour and scouring downstream of sills and near bridge piers and abutments.
Assessment Of Effects Of Chemical Contaminants In Dredged Material On Marine Ecosystems And Human Health
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Author : Cornelis Anton Schipper
language : en
Publisher: IOS Press
Release Date : 2009
Assessment Of Effects Of Chemical Contaminants In Dredged Material On Marine Ecosystems And Human Health written by Cornelis Anton Schipper and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
Water, sediment, and flounder tissue were analyzed from rivers, harbors, canals, and sites along coast of the Netherlands.
Catchment2coast A Systems Approach To Coupled River Coastal Ecosystem Science And Management
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Author : P.M.S. Monteiro
language : en
Publisher: IOS Press
Release Date : 2009-07-07
Catchment2coast A Systems Approach To Coupled River Coastal Ecosystem Science And Management written by P.M.S. Monteiro and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07-07 with Science categories.
Catchment2Coast was an interdisciplinary research and modelling project that aimed to improve understanding of the linkages between coastal ecosystems and the adjacent river catchments. The project involved nine partner organisations from three European and three southern African countries, including Mozambique, where the project was conducted. Catchment2Coast has tackled a problem which is at the interface of many different domains: between river and the sea, between bay and ocean, between water and soil, but also between ecology and economy. It used a variety of tools and methods, ranging from continuous hydrodynamic monitoring and biochemistry flux measurements to remote sensing and mathematical modelling techniques. But perhaps even more important was the integration of disciplines that took place during the project, which consisted of experts from different countries both from Europe and Southern Africa. The knowledge gained through this research provides a sound basis for the setting of environmental flow requirements for the Maputo, Incomati and similar river systems in sub-Saharan Africa. And what is more, it may serve as an example and stimulus for continued cooperation between experts from different disciplinary and cultural backgrounds.
Bridging Boundaries
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Author : Sonja Karstens
language : en
Publisher: IOS Press
Release Date : 2009
Bridging Boundaries written by Sonja Karstens and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Business & Economics categories.
Bridging Boundaries: Making Scale Choices in Multi-Actor Policy Analysis on Water Management synthesizes different perspectives on scale choices (spatial boundary setting, temporal boundary setting and selection of level of aggregation) in policy analysis. Scale choices influence the content of a study (the problems on the agenda, the options found and the impacts addressed) and the process (actors involved, their dedication and criticalness). Scale choices are not politically neutral: they may have advantages or disadvantages for certain actors by putting their urgent problems and their preferred options on the agenda, while they may hide or stress positive or negative impacts of options. Yet, little is known about the specific effects of scale choices and how they are made in practice. In this research, the making of scale choices is studied in two cases in practice: the Long Term Vision Study of the Scheldt Estuary and the Water Shortage Study of the Netherlands. Scale choices appear to be an important framing instrument that can be used by the policy analyst.