Coastal Lagoon Processes

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Front Cover; Coastal Lagoon Processes; Copyright page; Contents; Prologue; Contributing authors; CHAPTER 1. COASTAL LAGOON PROCESSES; Introduction; Coastal lagoons; A multi-disciplinary synthesis; References; CHAPTER 2. PHYSICAL SETTING AND GEOMORPHOLOGY OF COASTAL LAGOONS; Introduction; Geological background; Climatic and hydrological factors; Evolution of coastal barriers; Lagoon entrances; Sedimentation in lagoons; Swamp land encroachment; Rounding and segmentation; Summary and conclusions; References; CHAPTER 3. GEOLOGICAL HISTORY OF COASTAL LAGOONS; Introduction. The origin and evolution of coastal lagoonsSea-level history; Shoreface dynamics; Tidal range; Geological history of coastal lagoons: Brazilian examples; Lagoons formed on a low-relief coastal plain during sea-level rise; The Jequitinhonha strandplain; The Doce strandplain; Lagoons formed on a low-relief coastal plain during sea-level drop; Lagoons formed on a high-relief coastal plain during sea-level rise; Summary; References; CHAPTER 4. WATER, SALT AND HEAT BALANCES OF COASTAL LAGOONS; Introduction; Water balance; Salt balance; Heat balance; Concluding remarks; References. CHAPTER 5. MODELING OF CIRCULATION AND DISPERSION IN COASTAL LAGOONSIntroduction; Simplified circulation and pollutant transport models for inlet-lagoon systems hydrodynamics; Simplified pollutant transport models; Two-dimensional vertically averaged models of inlet-lagoon systems hydrodynamics; Pollutant transport models; Model selection process; Model application to assess management strategies; Conclusions; References; CHAPTER 6. MASS BALANCE OF NUTRIENT FLUXES IN COASTAL LAGOONS; Introduction; Computational model; Caveats to the application of this model; Considerations in site selection. Alternative models for net nonconservative flux analysisNutrient dynamics in coastal systems; References; CHAPTER 7. SEDIMENT TRANSPORT PROCESSES IN COASTAL LAGOONS; Introduction; Historical development; General concepts; Sources of sediment; Pathways; Sinks for sediment; Sediment dynamics in tidally-dominated ('1eaky') lagoons; Basin morphology as a source of time-flow asymmetry; Textural patterns; Particle modifications; Biological modifications; Response to sea level change; Lagoon equilibrium; Global distribution; Influence of climate; Storm effects; Generalizations; Future research needs