Changeset 10554 for NEMO/trunk/tests/test_cases.bib
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 20190121T12:28:58+01:00 (6 years ago)
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NEMO/trunk/tests/test_cases.bib
r10240 r10554 87 87 abstract = {Processes at the ice shelfocean interface and in particular in ice shelf cavities around Antarctica have an observable effect on the solutions of basin scale to global coupled iceocean models. Despite this, these processes are not routinely represented in global ocean and climate models. It is shown that a new ice shelf cavity model for z coordinate models can reproduce results from an intercomparison project of earlier approaches with vertical ?~C or isopycnic coordinates. As a proof of concept, ice shelves are incorporated in a 100year global integration of a z coordinate model. In this simulation, glacial meltwater can be traced as far as north as 15??S. The observed effects of processes in the ice shelf cavities agree with previous results from a ?~C coordinate model, notably the increase in sea ice thickness. However, melt rates are overestimated probably because the parameterization of basal melting does not suit the low resolution of this configuration.} 88 88 } 89 90 @article{LIPSCOMB2004, 91 author = {Lipscomb, William H. and Hunke, Elizabeth C.}, 92 title = {Modeling Sea Ice Transport Using Incremental Remapping}, 93 journal = {Monthly Weather Review}, 94 volume = {132}, 95 number = {6}, 96 pages = {13411354}, 97 year = {2004}, 98 doi = {10.1175/15200493(2004)132<1341:MSITUI>2.0.CO;2}, 99 URL = {https://doi.org/10.1175/15200493(2004)132<1341:MSITUI>2.0.CO;2}, 100 eprint = {https://doi.org/10.1175/15200493(2004)132<1341:MSITUI>2.0.CO;2} 101 abstract = { Abstract Sea ice models contain transport equations for the area, volume, and energy of ice and snow in various thickness categories. These equations typically are solved with firstorderaccurate upwind schemes, which are very diffusive; with secondorderaccurate centered schemes, which are highly oscillatory; or with more sophisticated secondorder schemes that are computationally costly if many quantities must be transported [e.g., multidimensional positivedefinite advection transport algorithm (MPDATA)]. Here an incremental remapping scheme, originally designed for horizontal transport in ocean models, is adapted for sea ice transport. This scheme has several desirable features: it preserves the monotonicity of both conserved quantities and tracers; it is secondorder accurate except where the accuracy is reduced locally to preserve monotonicity; and it efficiently solves the large number of equations in sea ice models with multiple thickness categories and tracers. Remapping outperforms the firstorder upwind scheme and basic MPDATA scheme in several simple test problems. In realistic model runs, remapping is less diffusive than the upwind scheme and about twice as fast as MPDATA. } 102 } 103 104 @article{SCHAR1996, 105 author = {Christoph Schär and Piotr K. Smolarkiewicz}, 106 title = {A Synchronous and Iterative FluxCorrection Formalism for Coupled Transport Equations}, 107 journal = {Journal of Computational Physics}, 108 volume = {128}, 109 number = {1}, 110 pages = {101  120}, 111 year = {1996}, 112 issn = {00219991}, 113 doi = {https://doi.org/10.1006/jcph.1996.0198}, 114 url = {http://www.sciencedirect.com/science/article/pii/S0021999196901989}, 115 abstract = {Many problems of fluid dynamics involve the coupled transport of several, densitylike, dependent variables (for instance, densities of mass and momenta in elastic flows). In this paper, a conservative and synchronous fluxcorrected transport (FCT) formalism is developed which aims at a consistent transport of such variables. The technique differs from traditional FCT algorithms in two respects. First, the limiting of transportive fluxes of the primary variables (e.g., mass and momentum) does not derive from smooth estimates of the variables, but it derives from analytic constraints implied by the Lagrangian form of the governing continuity equations, which are imposed on the specific mixing ratios of the variables (e.g., velocity components). Second, the traditional FCT limiting based on sufficiency conditions is augmented by an iterative procedure which approaches the necessity requirements. This procedure can also be used in the framework of traditional FCT schemes, and a demonstration is provided that it can significantly reduce some of the pathological behaviors of FCT algorithms. Although the approach derived is applicable to the transport of arbitrary conserved quantities, it is particularly useful for the synchronous transport of mass and momenta in elastic flows, where it assures intrinsic stability of the algorithm regardless of the magnitude of the massdensity variable. This latter property becomes especially important in fluids with large density variations, or in models with a material “vertical” coordinate (e.g., geophysical hydrostatic stratified flows in isopycnic/isentropic coordinates), where material surfaces can collapse to zeromass layers admitting, therefore, arbitrarily large local Courant numbers.} 116 }
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