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Diapycnal Advection By Double Diffusion And Turbulence In The Ocean
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Book Synopsis Diapycnal Advection by Double Diffusion and Turbulence in the Ocean by : Louis C. St. Laurent
Download or read book Diapycnal Advection by Double Diffusion and Turbulence in the Ocean written by Louis C. St. Laurent and published by . This book was released on 1999 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of double-diffusive mixing in the North Atlantic thermocline is considered. Mixing observations are analyzed in terms of the stability parameters for shear and double-diffusive convection, and a nondimensional ratio of dissipation rates. While the model for turbulence describes most dissipation occurring in high shear, dissipation in low shear is better described by the salt-finger model, and a method for estimating the salt-finger enhancement of the diapycnal haline diffusivity over the thermal diffusivity is proposed. These calculations suggest that salt-finger driven haline flux drives diapycnal downwelling in the upper thermocline. The role of turbulence occurring above rough bathymetry in the abyssal Brazil Basin is also considered. The mixing levels along sloping bathymetry exceed the levels observed on ridge crests and canyon floors. Additionally, mixing levels modulated in phase with the spring-neap tidal cycle. A model of the dissipation rate is derived and used to specify the turbulent mixing rate and constrain the diapycnal advection in an inverse model for the steady circulation. The inverse model solution reveals the presence of a secondary circulation with zonal character. These results suggest that mixing in abyssal canyons plays an important role in the mass budget of Antarctic Bottom Water.
Book Synopsis Introduction to Marine Biogeochemistry by : Susan Libes
Download or read book Introduction to Marine Biogeochemistry written by Susan Libes and published by Academic Press. This book was released on 2011-08-29 with total page 925 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Marine Biogeochemistry focuses on the ocean's role in the biogeochemical cycling of selected elements and the impact of humans on the cycling of these elements. Among the topics covered are the chemical composition of seawater from the perspectives of elemental speciation and the impacts of solutes on water's physical behavior; biogeochemical phenomena which control accumulation and preservation of marine sediments; marine chemistry of radioactive and stable isotopes; and seawater pollution. The book contains many examples as well as steady-state models to aid readers in understanding this growing and complex science.. - The focus of Introduction to Marine Biogeochemistry is the concept of the ocean as a system, linking land and atmospheric processes - The text integrates the most current research, allowing students to learn concepts in context - Includes detailed coverage of computational aspects
Download or read book Ocean Mixing written by Michael Meredith and published by Elsevier. This book was released on 2021-09-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean Mixing: Drivers, Mechanisms and Impacts presents a broad panorama of one of the most rapidly-developing areas of marine science. It highlights the state-of-the-art concerning knowledge of the causes of ocean mixing, and a perspective on the implications for ocean circulation, climate, biogeochemistry and the marine ecosystem. This edited volume places a particular emphasis on elucidating the key future questions relating to ocean mixing, and emerging ideas and activities to address them, including innovative technology developments and advances in methodology. Ocean Mixing is a key reference for those entering the field, and for those seeking a comprehensive overview of how the key current issues are being addressed and what the priorities for future research are. Each chapter is written by established leaders in ocean mixing research; the volume is thus suitable for those seeking specific detailed information on sub-topics, as well as those seeking a broad synopsis of current understanding. It provides useful ammunition for those pursuing funding for specific future research campaigns, by being an authoritative source concerning key scientific goals in the short, medium and long term. Additionally, the chapters contain bespoke and informative graphics that can be used in teaching and science communication to convey the complex concepts and phenomena in easily accessible ways. - Presents a coherent overview of the state-of-the-art research concerning ocean mixing - Provides an in-depth discussion of how ocean mixing impacts all scales of the planetary system - Includes elucidation of the grand challenges in ocean mixing, and how they might be addressed
Book Synopsis The Turbulent Ocean by : S. A. Thorpe
Download or read book The Turbulent Ocean written by S. A. Thorpe and published by Cambridge University Press. This book was released on 2005-10-27 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of ocean turbulence is in a state of discovery and development with many intellectual challenges. This book describes the principal dynamic processes that control the distribution of turbulence, its dissipation of kinetic energy and its effects on the dispersion of properties such as heat, salinity, and dissolved or suspended matter in the deep ocean, the shallow coastal and the continental shelf seas. It focuses on the measurement of turbulence, and the consequences of turbulent motion in the oceanic boundary layers at the sea surface and near the seabed. Processes are illustrated by examples of laboratory experiments and field observations. The Turbulent Ocean provides an excellent resource for senior undergraduate and graduate courses, as well as an introduction and general overview for researchers. It will be of interest to all those involved in the study of fluid motion, in particular geophysical fluid mechanics, meteorology and the dynamics of lakes.
Book Synopsis Kuroshio Current by : Takeyoshi Nagai
Download or read book Kuroshio Current written by Takeyoshi Nagai and published by John Wiley & Sons. This book was released on 2019-06-05 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: An interdisciplinary study of the Kuroshio nutrient stream The surface water of the Kuroshio, a western boundary current in the North Pacific Ocean, is nutrient-depleted and has relatively low primary productivity, yet abundant fish populations are supported in the region. This is called the “Kuroshio Paradox”. Kuroshio Current: Physical, Biogeochemical and Ecosystem Dynamics presents research from a multidisciplinary team that conducted observational and modeling studies to investigate this contradiction. This timely and important contribution to the ocean sciences literature provides a comprehensive analysis of the Kuroshio. Volume highlights include: New insights into the role of the Kuroshio as a nutrient stream The first interdisciplinary examination of the Kuroshio Paradox Reflections on the influence of the Kuroshio on Japanese culture Research results on both the lower and higher trophic levels in the Kuroshio ecosystem Comparisons of nutrient dynamics in the Kuroshio and Gulf Stream Predictions of ecosystem responses to future climate variability
Book Synopsis Journal of Physical Oceanography by :
Download or read book Journal of Physical Oceanography written by and published by . This book was released on 2000-09 with total page 1180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ocean Circulation and Climate written by and published by Elsevier. This book was released on 2001-03-27 with total page 737 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book represents all the knowledge we currently have on ocean circulation. It presents an up-to-date summary of the state of the science relating to the role of the oceans in the physical climate system.The book is structured to guide the reader through the wide range of World Ocean Circulation Experiment (WOCE) science in a consistent way. Cross-references between contributors have been added, and the book has a comprehensive index and unified reference list.The book is simple to read, at the undergraduate level. It was written by the best scientists in the world who have collaborated to carry out years of experiments to better understand ocean circulation.
Book Synopsis Small-Scale Turbulence and Mixing in the Ocean by : J.C.J. Nihoul
Download or read book Small-Scale Turbulence and Mixing in the Ocean written by J.C.J. Nihoul and published by Elsevier. This book was released on 1988-05-01 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the 19th International Liège Colloquium on Ocean Hydrodynamics, the programme of which focused on the relationships between small-scale mixing and large-scale features, transports and processes. The presentation of papers on various methods of parameterization of small-scale turbulent mixing for numerical ocean models was particularly encouraged and this resulted in more than a third of the papers presented at the Colloquium dealing in one way or another with the parameterization problems; many of these papers demonstrate the direct results of modelling. These proportions are well reflected in this volume of proceedings and thus emphasize once more the importance of small-scale turbulence research for such vital practical applications as ocean modelling and forecasting.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ocean Modeling and Parameterization by : Eric P. Chassignet
Download or read book Ocean Modeling and Parameterization written by Eric P. Chassignet and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: The realism of large scale numerical ocean models has improved dra matically in recent years, in part because modern computers permit a more faithful representation of the differential equations by their algebraic analogs. Equally significant, if not more so, has been the improved under standing of physical processes on space and time scales smaller than those that can be represented in such models. Today, some of the most challeng ing issues remaining in ocean modeling are associated with parameterizing the effects of these high-frequency, small-space scale processes. Accurate parameterizations are especially needed in long term integrations of coarse resolution ocean models that are designed to understand the ocean vari ability within the climate system on seasonal to decadal time scales. Traditionally, parameterizations of subgrid-scale, high-frequency mo tions in ocean modeling have been based on simple formulations, such as the Reynolds decomposition with constant diffusivity values. Until recently, modelers were concerned with first order issues such as a correct represen tation of the basic features of the ocean circulation. As the numerical simu lations become better and less dependent on the discretization choices, the focus is turning to the physics of the needed parameterizations and their numerical implementation. At the present time, the success of any large scale numerical simulation is directly dependent upon the choices that are made for the parameterization of various subgrid processes.
Book Synopsis Double-diffusive Processes by : Stephen P. Meacham
Download or read book Double-diffusive Processes written by Stephen P. Meacham and published by . This book was released on 1997 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics of double diffusion and the role that it plays in the ocean provided the central theme for the 1996 summer program in Geophysical Fluid Dynamics at the Woods Hole Oceanographic Institution. Lectures and seminars given by staff and visitors surveyed observations, laboratory experiments and theoretical models of double diffusive phenomena. Several lectures dealt with the related phenomena of thermal convection in layered media, the dynamics of binary fluids, viscoelastic convection and magnetoconvection. Research projects by the fellows included experiments with double diffusion in a slot, work on the formation and evolution of staircases, double diffusion in stars and the interaction between convection and radiation. This volume includes write-ups of the principal lectures, reports of the fellows' research projects and abstracts of some of the seminars. A list of presentations and a bibliography may be found at the back of the volume.
Book Synopsis Marine Turbulence by : Helmut Z. Baumert
Download or read book Marine Turbulence written by Helmut Z. Baumert and published by Cambridge University Press. This book was released on 2005-04-04 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of marine turbulence and mixing for students, scientists, engineers.
Book Synopsis Climatological Atlas of the World Ocean by : Sydney Levitus
Download or read book Climatological Atlas of the World Ocean written by Sydney Levitus and published by . This book was released on 1982 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Oceanography of Frontal Zones by : Igor M. Belkin
Download or read book Chemical Oceanography of Frontal Zones written by Igor M. Belkin and published by Springer Nature. This book was released on 2023-06-01 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a unique and authoritative review of chemical fronts in the ocean world. It includes regional chapters on chemical fronts in all major oceans (Atlantic, Indian, Pacific, Arctic, and Southern) and marginal seas (North Sea, Baltic Sea, Mediterranean Sea, Gulf of Mexico, Yellow Sea, and the East Siberian Sea). Thematic chapters focus on diverse topics such as cross-frontal transfer of nutrients; diapycnal mixing and its impact on nutrient fluxes in western boundary currents (Gulf Stream and Kuroshio); front-driven physical-biogeochemical-ecological interactions; dynamics of coloured dissolved organic matter; pollutant concentration and fish contamination in frontal zones; distribution of microplastics in the ocean, and Lagrangian methods to study the transport of marine litter. This volume will appeal to a broad audience, including researchers, instructors, students, and practitioners of all kinds involved in scientific and applied research, environment protection and conservation, and maritime industries including fisheries, aquaculture, and mining. Chapter "Lagrangian Methods for Visualizing and Assessing Frontal Dynamics of Floating Marine Litter with a Focus on Tidal Basins" is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Download or read book Ocean Mixing written by Michael C. Gregg and published by Cambridge University Press. This book was released on 2021-02-04 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The stratified ocean mixes episodically in small patches where energy is dissipated and density smoothed over scales of centimeters. The net effect of these countless events effects the shape of the ocean's thermocline, how heat is transported from the sea surface to the interior, and how dense bottom water is lifted into the global overturning circulation. This book explores the primary factors affecting mixing, beginning with the thermodynamics of seawater, how they vary in the ocean and how they depend on the physical properties of seawater. Turbulence and double diffusion are then discussed, which determines how mixing evolves and the different impacts it has on velocity, temperature, and salinity. It reviews insights from both laboratory studies and numerical modelling, emphasising the assumptions and limitations of these methods. This is an excellent reference for researchers and graduate students working to advance our understanding of mixing, including oceanographers, atmospheric scientists and limnologists.
Book Synopsis Annual Report by : Woods Hole Oceanographic Institution
Download or read book Annual Report written by Woods Hole Oceanographic Institution and published by . This book was released on 1999 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regional Oceanography Of The South China Sea by : Jianyu Hu
Download or read book Regional Oceanography Of The South China Sea written by Jianyu Hu and published by World Scientific. This book was released on 2020-06-24 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to share newly obtained results and information on regional oceanography of the South China Sea by leading experts in fields such as water mass, circulation, mesoscale eddies, near-inertial motion, upwelling, mixing, continental shelf waves, internal waves and fronts. These comprehensive results can provide new insights on global and regional climate change.
