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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On a two dimensional nonlocal shallow-water model
二维 非局部 浅水模型 三维欧拉系统
2023/4/14
In this talk, we first review some related progresses on one dimensional shallow water models. Then we introduce the derivation of a new nonlocal shallow water model from the 3D Euler system with free...
A mimetic, semi-implicit, forward-in-time, finite volume shallow water model: comparison of hexagonal–icosahedral and cubed-sphere grids
A mimetic semi-implicit forward-in-time
2014/12/18
A new algorithm is presented for the solution
of the shallow water equations on quasi-uniform spherical
grids. It combines a mimetic finite volume spatial discretization with a Crank–Nicolson ...
Icosahedral Shallow Water Model (ICOSWM):results of shallow water test cases and sensitivity to model parameters
Icosahedral Shallow Water Model shallow water test cases sensitivity
2010/2/5
The Icosahedral Shallow Water Model (ICOSWM) has been a first step in the development of the ICON (acronym for ICOsahedral Nonhydrostatic) models. ICON is a joint project of the Max Planck Institute f...
By using a Hamiltonian method, non-linear three-wave interaction in a class of systems related to the shallow water model is considered and a general coupling coefficient is presented. In the special ...
A shallow-water beta-channel model was used to carry out numerical experiments with cyclonic and anticyclonic disturbances of various strengths. The model is inviscid, so fluid elements conserve poten...
Dynamical Properties of Error Statistics in a Shallow-Water Model
model information data information Shallow-Water Model
2008/12/19
Numerical ocean diagnoses and predictions rely on two types of information: model information and data information. Sequential estimation theory shows that the most probable state is a linear combinat...
Multiple Equilibria, Periodic, and Aperiodic Solutions in a Wind-Driven, Double-Gyre, Shallow-Water Model
shallow-water western boundary currents quasigeostrophic
2008/12/11
A reduced-gravity shallow-water (SW) model is used to study the nonlinear behavior of western boundary currents (WBCs), with particular emphasis on multiple equilibria and low-frequency variations. Wh...
Assimilation of Geosat Altimetric Data in a Nonlinear Shallow-Water Model of the Indian Ocean by Adjoint Approach. Part II：Some Validation and Interpretation of the Assimilated Results
sea level variations Nonlinear Shallow-Water Model Indian Ocean
2008/12/10
This paper examines the results of assimilating Geosat sea level variations relative to the November 1986–November 1988 mean reference, in a nonlinear reduced-gravity model of the Indian Ocean. Data h...
Tracking Nonlinear Solutions with Simulated Altimetric Data in a Shallow-Water Model
Nonlinear Solutions Simulated Altimetric Data Shallow-Water Model
2008/11/11
Low-frequency variability of western boundary currents (WBCs) is pervasive in both observations and numerical models of the oceans. Because advection is of the essence in WBCs, nonlinearities are thou...