搜索结果: 1-15 共查到“海洋物理学 Nonlinear”相关记录73条 . 查询时间(0.125 秒)
Nonlinear dynamics of wind waves:multifractal phase/time effects
Nonlinear dynamics of wind waves multifractal phase time effects
2009/11/16
In addition to the bispectral coherence method, phase/time analysis of analytic signals is another promising avenue for the investigation of phase effects in wind waves. Frequency spectra of phase flu...
Nonlinear wave energy modelling in the surf zone
Nonlinear wave energy modelling surf zone
2009/11/16
Breaking wave energy in the surf zone is modelled through the incorporation of the time dependent energy balance equation in a non linear dispersive wave propagation model. The energy equations solved...
Scaling statistics in a critical,nonlinear physical model of tropical oceanic rainfall
Scaling statistics critical,nonlinear physical model tropical oceanic rainfall
2009/11/12
Over the last two decades, concepts of scale invariance have come to the fore in both modeling and data analysis in hydrological precipitation research. With the advent of the use of the multiplicativ...
Statistical properties of nonlinear one-dimensional wave fields
Statistical properties nonlinear one-dimensional wave fields
2009/11/11
A numerical model for long-term simulation of gravity surface waves is described. The model is designed as a component of a coupled Wave Boundary Layer/Sea Waves model, for investigation of small-scal...
A comparison of the performance of 4D-Var in an explicit and implicit version of a nonlinear barotropic ocean model
4D-Var explicit and implicit version nonlinear barotropic ocean model
2009/11/3
A comparison is made of the performance of the four-dimensional variational data assimilation (4D-Var) method in an explicit and implicit version of a barotropic quasi-geostrophic model of the wind-dr...
On a spectrum of nonlinear internal waves in the oceanic coastal zone
spectrum nonlinear internal waves oceanic coastal zone
2009/11/3
This paper studies the internal wave band of temperature fluctuation spectra in the coastal zone of Pacific ocean. It is observed that on the central Mexican Pacific Shelf in the high-frequency band o...
Conditional nonlinear optimal perturbations of the double-gyre ocean circulation
Conditional nonlinear optimal perturbations double-gyre ocean circulation
2009/11/2
In this paper, we study the development of finite amplitude perturbations on linearly stable steady barotropic double-gyre flows in a rectangular basin using the concept of Conditional Nonlinear Optim...
Nonlinear momentum transfer from wind to wave has been studied on the basis of a perturbation expansion procedure. Two nonlinear effects are presented, namely the generation of higher harmonies of the...
The Influence of the Directional Energy Distribution on the Nonlinear Dispersion Relation in a Random Gravity Wave Field
Directional Energy Distribution Nonlinear Dispersion Relation Random Gravity Wave Field
2009/3/7
The influence of the directional distribution of wave energy on the dispersion relation is calculated numerically using various directional wave spectrum models. The results indicate that the dispersi...
On the Nonlinear Theory for Gravity Waves on the Ocean's Surface. Part II：Interpretation and Applications
Nonlinear Theory Gravity Waves Ocean's Surface Interpretation
2009/3/7
In a previous paper (Weber and Barrick, 1977), a generalization of Stokes’ perturbational technique permitted us to obtain solutions to higher orders for gravity-wave parameters for an arbitrary, two-...
On the Nonlinear Theory for Gravity Waves on the Ocean's Surface. Part I：Derivations
Nonlinear Theory Ocean's Surface Gravity Waves
2009/3/7
A general hydrodynamic solution is derived for arbitrary gravity-wave fields on the ocean surface by extending Stokes' (1847) original perturbational analysis. The solution to the nonlinear equations ...
Numerical Simulations of the Ocean's Nonlinear, Baroclinic Response to Translating hurricanes
Numerical Simulations Ocean's Nonlinear Translating hurricanes
2009/2/23
An asymmetric nonlinear ocean model is employed to investigate the oceanic response to moving hurricanes. A turbulent kinetic energy budget is used to parameterize the stress-induced vertical mixing. ...
A Spectral Theory of Nonlinear Barotropic Motion above Irregular Topography
Nonlinear Barotropic Motion Irregular Topography
2009/2/23
If a field of randomly distributed barotropic eddies interacts with underlying topographic features in a rotating reference frame, the flow is observed to develop, after a time the order of an eddy tu...
A two-dimensional, non-dissipative, nonlinear model for the onset of upwelling is formulated. Consideration of the characteristic curves, which are complex, of the partial differential equation for th...
Observations of Long Nonlinear Internal Waves in a Lake
Long Nonlinear Internal Waves Lake
2009/2/23
This paper describes observations of large-amplitude, long internal waves in Babine Lake. A unique feature of the observations is that they were taken simultaneously at several different points along ...