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Using publicly available GPS solutions for fast estimations of first-order source details from coseismic deformations
GPS Coseismic deformations Source inversion Maule earthquake
2015/8/27
We here explore the potential use of publicly available GPS solutions to obtain first-order constraints on a source model immediately following an earthquake, within the limits of GPS solution timelin...
A high-order conservative collocation scheme and its application to global shallow-water equations
conservative collocation scheme global shallow-water equations
2015/3/5
In this paper, an efficient and conservative collocation method is proposed and used to develop a global
shallow-water model. Being a nodal type high-order scheme,
the present method solves th...
Improved convergence and stability properties in a three-dimensional higher-order ice sheet model
Improved convergence stability properties i
2014/12/9
We present a finite difference implementation of
a three-dimensional higher-order ice sheet model.In comparison to a conventional centred difference discretisation it
enhances both numerical s...
Order parameter fluctuations in natural time and b-value variation before large earthquakes
Order parameter fluctuations natural time b-value variation large earthquakes Geophysics
2012/5/29
Self-similarity may stem from two origins: the process' increments infinite variance and/or process' memory. The $b$-value of the Gutenberg-Richter law comes from the first origin. In the frame of nat...
Numerical simulation and first-order hazard analysis of large co-seismic tsunamis generated in the Puerto Rico trench: near-field impact on the North shore of Puerto Rico and far-field impact on the US East Coast
Numerical simulation first-order hazard analysis large co-seismic tsunamis generated the Puerto Rico trench
2010/10/21
We perform numerical simulations of the coastal impact of large co-seismic tsunamis, initiated in the Puerto Rican trench, both in far-field areas along the upper US East coast (and other Caribbean is...
Low-order models of wave interactions in the transition to baroclinic chaos
Low-order models wave interactions baroclinic chaos
2009/11/16
A hierarchy of low-order models, based on the quasi-geostrophic two-layer model, is used to investigate complex multi-mode flows. The different models were used to study distinct types of nonlinear in...
Energy-conserving and Hamiltonian low-order models in geophysical fluid dynamics
Energy-conserving Hamiltonian low-order models geophysical fluid dynamics
2009/11/9
Arbitrary truncations in the Galerkin method commonly used to derive low-order models (LOMs) may violate fundamental conservation properties of the original equations, causing unphysical behaviors in ...
On the dependence of third- and fourth-order moments on stability in the turbulent boundary layer
third- and fourth-order moments on stability turbulent boundary layer
2009/11/9
Analysis of published data on the third- and fourth-order moments of vertical velocity in the atmospheric boundary layer is performed, and it is shown that turbulence is non-Gaussian even when almost ...
Deep bore well water level fluctuations in the Koyna region,India:the presence of a low order dynamical system in a seismically active environment
water level fluctuations low order dynamical system seismically active environment
2009/10/30
Water level fluctuations in deep bore wells in the vicinity of seismically active Koyna region in western India provides an opportunity to understand the causative mechanism underlying reservoir-trigg...
The effect of third-order nonlinearity on statistical properties of random directional waves in finite depth
third-order nonlinearity statistical properties random directional waves finite depth
2009/10/30
It is well established that third-order nonlinearity produces a strong deviation from Gaussian statistics in water of infinite depth, provided the wave field is long crested, narrow banded and suffici...
Accurate estimation of third-order moments from turbulence measurements
Accurate estimation third-order moments turbulence measurements
2009/10/30
Politano and Pouquet's law, a generalization of Kolmogorov's four-fifths law to incompressible MHD, makes it possible to measure the energy cascade rate in incompressible MHD turbulence by means of th...
Low Order Baroclinic Models Forced by Meridional and Zonal Heating
Baroclinic Models Low Order Heating
2009/6/15
Low Order Baroclinic Models Forced by Meridional and Zonal Heating.
Corrections to the Entropy in Higher Order Gravity
Higher Order Gravity the Lovelock gravity
2010/10/18
Thermal corrections to the entropy of black holes in the Lovelock gravity are calculated. As the thermodynamic behavior of the black holes of this theory falls into two classes, the thermodynamic quan...