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Wednesday, July 22, 2020 | History

2 edition of Available potential energy in numerical ocean circulation models found in the catalog.

Available potential energy in numerical ocean circulation models

by Marion Everet Alcorn

  • 256 Want to read
  • 30 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Meteorology

  • ID Numbers
    Open LibraryOL25326325M

    Subsequently, the tropical Pacific Ocean rebounds to significant La Niña conditions. Available energy (AE) has a good phase relationship with respect to other variables characterized by warm and cold conditions. AE is anomalously high prior to a warm event, accompanying conversion from kinetic energy (KE) to available potential energy (APE).Cited by: A study of the general circulation and a possible theory suggested by it. Sci. Proc. Internat. Assoc. Meteor., Rome, Available potential energy and the maintenance of the general circulation. Tellus, 7, Generation of available potential energy and the intensity of the general circulation.

    Of the 2 TW (1 TW = 10 12 W) of mechanical energy injected into the ocean by winds and tides, approximately TW are directly available for turbulent mixing, that increases the available potential energy of the ocean and partly fuels the Meridional Overturning Circulation, or MOC [Huang, ; Kuhlbrodt et al., ].Cited by: A model is presented for studying ocean circulation problems taking into account the complicated outline and bottom topography of the World Ocean. To obtain an efficient scheme for the study of low-frequency, large-scale current systems, surface gravity-inertial waves are filtered out by the “rigid-lid” : BryanKirk.

    Dynamics and energy budgets of oceanic general circulation and mesoscale eddies We have explored the dynamics and energy budgets of the oceanic general circulation and its associated mesoscale eddy field in a number of papers employing idealized models, realistic ocean general circulation models, in-situ observations, and satellite observations. This book describes a recent effort combining the expertise of applied mathematicians with meteorologists and physical oceanographers within the collaborative research center (CRC) Energy Transfers in Atmosphere and Ocean (TRR ) funded by the Deutsche Forschungsgemeinschaft.


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Available potential energy in numerical ocean circulation models by Marion Everet Alcorn Download PDF EPUB FB2

Circulationarestudiedbyuseofavailablepotentialenergy, Availablepotential energy, calculated byan approximation equationusing a temperatureperturbation field, compares. 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 : Hardcover. Enter the password to open this PDF file: Cancel OK. File name:. Dale B Haidvogel has been a leader in the development and application of alternative numerical ocean circulation models for nearly two decades.

Since receiving his PhD in Physical Oceanography from the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution inhis research activities have spanned the range from idealized studies of fundamental oceanic processes through the realistic modeling of coastal.

The ocean energy cycle is calculated using a new available potential energy (APE) decomposition, which partitions adiabatic buoyancy fluxes from diapycnal mixing, applied to results from the Estimating the Circulation and Climate of the Ocean, Phase II (ECCO2), eddy-permitting ocean state estimate and observed surface buoyancy fluxes from the WHOI Cited by: NUMERICAL MODELING OF OCEAN CIRCULATION Oceans are an essential part of the climate system.

They dominate the hydrosphere and play a key role in natural climate variability. The modeling of ocean circulation is therefore very important, not only for its own sake, but also in terms of the prediction of weather patterns and the effects of.

A single-layer, quasi-geostrophic (QG), large-scale ocean circulation model is developed in this paper to study available ocean current energy potentials harnessed by using the ocean.

This paper describes a numerical model of the world ocean based on the fully primitive equations. A “Standard” ocean state is introduced into the equations of the model and the perturbed thermodynamic variables are used in the modle’s calculations. Both a free upper surface and a bottom topography are included in the model and a sigma coordinate is used to normalize the model Cited by: Chapter Ocean Circulation Models and Modeling.

Abstract. 1 Scope of this Chapter. 2 Physical and Numerical Basis for Ocean Models. 3 Ocean Modeling: Science Emerging from Simulations.

4 Summary Remarks. Acknowledgments. References. Chapter Dynamically and Kinematically Consistent Global Ocean Circulation and Ice State Estimates. Studies of climate frequently involve identifying a plausible forcing mechanism (e.g., solar fluctuations), hypothesizing the response, and attempting to verify the hypothesis with data.

This is difficult because the mechanisms are many and frequently small in amplitude, the response complex, and. @article{osti_, title = {General circulation of the ocean}, author = {Abarbanel, H.D.I.

and Young, W.R.}, abstractNote = {This book is an analysis of the geophysics of ocean circulation and its interaction with the atmosphere. It reviews the new concepts and models which have emerged in the last five years, as well as classical theories and observations.

Numerical assessments of ocean energy extraction from western boundary currents using a quasi-geostrophic ocean circulation model. Omer San. School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK, USA.

Abstract A single-layer, quasi-geostrophic (QG), large-scale ocean circulation model is developed in this paper to study available ocean current energy potentials harnessed by using the ocean current turbines. Abstract. The ocean covers 70% of the earth surface and it contains 97% of the earth water.

It has a considerable “buffer” role in the climate system due to its large heat capacity ( m of ocean water has the same heat capacity than the total atmospheric column above it) and its weight (the density of ocean water is 10 3 kg m-3 as the air density is kg m-3).Author: P.

Delecluse. Ocean circulation and surface buoyancy fluxes: dynamics and energetics. Available Potential Energy: The PE that could be released to generate motion. Numerical ocean models. Available PE Background PE Surface Buoyancy Forcing Surface Buoyancy Forcing Irreversible Mixing Molecular Diffusion ind ess.

Numerical modelling of ocean circulation Table Approximate length scales in the ocean. All quantities are horizontal dimensions, unless otherwise stated. Ocean basins ∼ to km Horizontal gyres basin scale Western boundary currents ∼ km Eddies tens to hundreds of km Depth of the ocean ∼ 4 to 5 km, in the mid-ocean.

This is a list of ocean circulation models, as used in physical oceanography. Ocean circulation models can also be used to study chemical oceanography, biological oceanography, geological oceanography, and climate science.

Acronym Full name ADCIRC: ADvanced CIRCulation model. A quasi-geostrophic (QG) ocean circulation model is developed to evaluate the potential of ocean energy harnessed by using ocean current turbines distributed in the Gulf Stream system.

The ocean turbines are included in the model as a localized Gaussian type Rayleigh friction term parameterized by ∊ controlling the effective turbine area and C 0, which is the effective drag by: 4.

General Circulation Models (GCMs) are rapidly assuming widespread use as powerful tools for predicting global events on time scales of months to decades, such as the onset of EL Nino, monsoons, soil moisture saturation indices, global warming estimates, and even snowfall predictions.

While GCMs have been praised for helping to foretell the current El Nino. The major balance of gravitational energy in this model ocean is between the source of energy due to vertical mixing and the conversion from kinetic energy at low latitudes and the sink of energy due to convection adjustment and conversion to kinetic energy at Cited by: 8.

This project created a national database of ocean current energy resources to help advance awareness and market penetration in ocean current energy resource assessment. The database, consisting of joint velocity magnitude and direction probability histograms, was created from data created by seven years of numerical model simulations.

Gravitational Potential Energy Balance for the Thermal Circulation in a Model Ocean Article (PDF Available) in Journal of Physical Oceanography 36(7) July with 37. A conceptual framework for analysing the energetics of density-stratified Boussinesq fluid flows is discussed.

The concept of gravitational available potential energy is used to formulate an energy budget in which the evolution of the background potential energy, i.e. the minimum potential energy attainable through adiabatic motions, can be explicitly Cited by: FUNDAMENTALS OF OCEAN CLIMATE MODELS Stephen M.

Griffies NOAA/Geophysical Fluid Dynamics Laboratory Version prepared on Available online at This book was prepared using LATEX as described by Lamport () and File Size: 3MB.