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Author: Changsheng Chen
Publisher:
ISBN:
Category : Coastal zone management
Languages : en
Pages : 18
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Book Description
FVCOM is an advanced ocean model system utilized by more than 1,000 users and institutions in 38 different countries in industry, and government applications, from coastal management to ocean rescue.
Author: Changsheng Chen
Publisher:
ISBN:
Category : Coastal zone management
Languages : en
Pages : 18
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Book Description
FVCOM is an advanced ocean model system utilized by more than 1,000 users and institutions in 38 different countries in industry, and government applications, from coastal management to ocean rescue.
Author: Zhigang Lai
Publisher:
ISBN:
Category :
Languages : en
Pages : 314
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Book Description
Author: Jochen Kämpf
Publisher: Springer Science & Business Media
ISBN: 3642106102
Category : Science
Languages : en
Pages : 190
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Book Description
This book focuses on motions of incompressible ?uids of a freely moving surface being in?uenced by both the Earth’s rotation and density strati?cation. In contrast to traditional textbooks in the ?eld of geophysical ?uid dynamics, such as those by by Cushman-Roisin (1994) and Gill (1982), this book uses the method of proce- oriented hydrodynamic modelling to illustrate a rich variety of ?uid phenomena. To this end, the reader can adopt the model codes, found on the Springer server accompanying this book, to reproduce most graphs of this book and, even better, to create animation movies. The reader can also employ the codes as templates for own independent studies. This can be done by a lay person as a hobby activity, undergraduate or postgraduate students as part of their education, or professional scientists as part of research. Exercises of this book are run with open-source software that can be freely downloaded from the Internet. This includes the FORTRAN 95 compiler “G95” used for execution of model simulations, the data visualisation program “SciLab”, and “ImageMagick” for the creation of graphs and GIF animations, which can be watched with most Internet browsers.
Author: Changsheng Chen
Publisher:
ISBN:
Category : Nonlinear theories
Languages : en
Pages : 385
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Book Description
Preface: FVCOM is a prognostic, unstructured-grid, Finite-Volume, free-surface, three-dimensional (3-D) primitive equations Community Ocean Model developed originally by Chen et al. (2003a). The current version of FVCOM is fully coupled ice-ocean-wave-sediment-ecosystem model system with options of various turbulence mixing parameterization, generalized terrain-following coordinates, data assimilation schemes, and wet/dry treatments with inclusion of dike and groyne structures under hydrostatic or non-hydrostatic approximation. FVCOM solves the governing equations on Cartesian or spherical coordinates in integral form by computing fluxes between non-overlapping horizontal triangular control volumes. Either mode-split or semi-implicit schemes can be selected. This finite-volume approach combines the best of finite-element methods (FEM) for geometric flexibility and finite-difference methods (FDM) for simple discrete structures and computational efficiency. This numerical approach also provides a much better representation of mass, momentum, salt, and heat conservation in coastal and estuarine regions with complex geometry. The conservative nature of FVCOM in addition to its flexible grid topology and code simplicity make FVCOM ideally suited for interdisciplinary application in the coastal ocean. The initial development of FVCOM was started by a team effort led by C. Chen in 1999 at the University of Georgia (UGA) with support from the Georgia Sea Grant College Program. C. Chen, H. Liu, and R. C. Beardsley developed the first version of FVCOM at designing to simulate the 3-D currents and transport within an estuary/tidal creek/inter-tidal salt marsh complex. The first manuscript about this new model was submitted to Journal of Atmospheric and Oceanic Technology in 2000 and published in 2003. That was the first paper of FVCOM. In 2001, C. Chen moved to the School of Marine Science and Technology at the University of Massachusetts-Dartmouth (SMAST/UMASS-D) and established the Marine Ecosystem Dynamics Modeling (MEDM) Laboratory where work on FVCOM has continued with funding from several sources including the NASA and NOAA-funded SMAST fishery program led by Brian Rothschild, the NSF/NOAA US GLOBEC/Georges Bank Program. Led by C. Chen and R. C. Beardsley (Woods Hole Oceanographic Institution-WHOI), the model development team with members of H. Liu, T. Wang completed the original structure of FVCOM and conducted a series of model validation experiments. G. Cowles joined the MEDM group as postdoctoral researcher in 2003 and lead the conversion of FVCOM to Fortran 90/95, modularized the coding structure, and added the capability for parallel computation. The first FVCOM User Manual was published in 2004 together with a release of FVCOM v2.4. Since then, many new modules were developed by the FVCOM team members including J. Qi, H. Huang, Q. Xu, Z. Lai, P. Xue, D. Stuebe and R. Tian. The second FVCOM User Manual came out in 2006 with a release of FVCOM v2.6. D. Stuebe implemented a new code structure to improve the efficiency of inter-node data exchange and model input and output writing under parallel computational environments, and J. Qi continued to complete his work after he left. D. Stuebe also implemented the visualization software "ViSiT" into FVCOM, which can monitor the model performance during the model run. This new code structure was the origin of FVCOM v3.0 ...
Author: Adem Akpinar
Publisher: Frontiers Media SA
ISBN: 2832519482
Category : Science
Languages : en
Pages : 283
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Book Description
Author:
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 214
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Book Description
Author: Alan Desbonnet
Publisher: Springer Science & Business Media
ISBN: 0387352996
Category : Technology & Engineering
Languages : en
Pages : 577
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Book Description
In the U.S., approximately two-thirds of the coastal rivers and bays are moderately to severely degraded from nutrient pollution. The contributors to this book use long-term data sets to discuss the interactions among biological, ecological, chemical, and physical processes, and discuss what is known about nutrient inputs to the bay ecosystem, the impacts related to nutrient inputs, and how the ecosystem might respond to a sudden reduction in these inputs.
Author: Aike Beckmann
Publisher: World Scientific
ISBN: 1848168241
Category : Science
Languages : en
Pages : 342
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Book Description
This book offers a comprehensive overview of the models and methods employed in the rapidly advancing field of numerical ocean circulation modeling. For those new to the field, concise reviews of the equations of oceanic motion, sub-grid-scale parameterization, and numerical approximation techniques are presented and four specific numerical models, chosen to span the range of current practice, are described in detail. For more advanced users, a suite of model test problems is developed to illustrate the differences among models, and to serve as a first stage in the quantitative evaluation of future algorithms. The extensive list of references makes this book a valuable text for both graduate students and postdoctoral researchers in the marine sciences and in related fields such as meteorology, and climate and coupled biogeochemical modeling.
Author: Eric P. Chassignet
Publisher: Springer Science & Business Media
ISBN: 9780792352280
Category : Science
Languages : en
Pages : 468
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Book Description
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.
Author: Henry J. Bokuniewicz
Publisher: MDPI
ISBN: 3038420468
Category : Electronic books
Languages : en
Pages : 434
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Book Description
This book is a printed edition of the Special Issue "Selected Papers from the 13th Estuarine and Coastal Modeling Conference" that was published in JMSE
