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Inductive Magnetic Footpoint Tracking by Combining the Minimum Energy Fit with the Local Correlation Tracking and Doppler Velocity
Velocity magnetic field induction equation
2010/9/15
Time-dependent magneto-hydrodynamic simulations of active region coronal magnetic field require the underlying photospheric magnetic footpoint velocities. The minimum energy fit (MEF) is a new velocit...
Evolution of plane curves with a curvature adjusted tangential velocity
curvature driven flow of plane curves curvature adjusted tangential velocity
2010/12/6
We study evolution of closed embedded plane curves with the normal veloc-ity depending on the curvature, the orientation and position of a curve. We propose a new method of tangential redistribution o...
The effect of reported high-velocity small raindrops on inferred drop size distributions and derived power laws
reported high-velocity small raindrops inferred drop size distributions derived power laws
2010/8/16
It has recently been shown that at high rainfall intensities, small raindrops may fall with much larger velocities than would be expected from their diameters. These were argued to be fragments of rec...
Rupture Process of the 1999Mw7.1 Duzce Earthquake from Joint Analysis of SPOT, GPS, InSAR, Strong-Motion, and Teleseismic Data: A Supershear Rupture with Variable Rupture Velocity
Rupture Process the 1999Mw7.1 Duzce Earthquake Joint Analysis of SPOT GPS InSAR Strong-Motion Teleseismic Data A Supershear Rupture Variable Rupture Velocity
2014/4/15
We analyze the rupture process of the 1999Mw7.1 Duzce earthquake using seismological, remote sensing, and geodetic data. Ground deformation measured from the subpixel cross correlation of Satellite Po...
CALCULATION OF VELOCITY DISPERSION OF THE NEARBY GALAXIES USING DIFFERENT STELLAR TEMPLATE LIBRARIES
Galaxies: bulges Galaxies: kinematics and dynamics Methods:numerical
2010/10/29
We present the central velocity dispersion measurements of the nearby
galaxies from the Sloan Digital Sky Survey (SDSS). Using the sample from the paper by
Ho et al. 2009, we have selected 23 galaxi...
We demonstrate experimentally the existence of three-wave resonant interaction solitary triplets in quadratic media. Stable velocity-locked bright-dark-bright spatial solitary triplets, determined by ...
The turnstile mechanism across the Kuroshio current: analysis of dynamics in altimeter velocity fields
Kuroshio current altimeter velocity fields dynamics
2010/4/2
In this article we explore the ability of dynamical systems tools to describe transport in oceanic flows characterized by data sets measured from satellite. In particular we have studied the geometric...
The universal distribution of halo interlopers in projected phase space. Bias in galaxy cluster concentration and velocity anisotropy?
Galaxies clusters general Cosmology miscellaneous (Cosmology) dark matter Galaxies halos Gravitational lensing weak Methods numerical
2010/3/9
When clusters of galaxies are viewed in projection, one cannot avoid picking up foreground/background interlopers, that lie within the virial cone (VC), but outside the virial sphere. Structural and k...
EnKF assimilation of simulated spaceborne Doppler observations of vertical velocity: impact on the simulation of a supercell thunderstorm and implications for model-based retrievals
EnKF velocity
2010/1/27
Recently, a number of investigations have been made that point to the robust effectiveness of the Ensemble Kalman Filter (EnKF) in convective-scale data assimilation. These studies have focused on the...
Using a linear array to estimate the velocity of underwater moving targets
underwater velocity measurement linear array direction of arrival (DOA) deterministic maximum likelihood signal phase matching
2011/9/13
A new method uses a linear array that takes advantage of underwater physical sound fields to estimate the velocity of an underwater moving target. The mathematical model was established by considering...
Variations of phase velocity and gradient values of ULF geomagnetic disturbances connected with the Izu strong earthquakes
phase velocity gradient values ULF geomagnetic disturbances Izu strong earthquakes
2009/12/11
Results of study of anomaly behavior of amplitudes, phase velocities and gradients of ULF electromagnetic disturbances (F = 0.002 – 0.5 Hz) before and during a seismic active period are presented. Inv...
Is flow velocity a significant parameter in flood damage modelling?
flow velocity significant parameter flood damage modelling
2009/12/8
Flow velocity is generally presumed to influence flood damage. However, this influence is hardly quantified and virtually no damage models take it into account. Therefore, the influences of flow veloc...
Distinguished hyperbolic trajectories in time-dependent fluid flows:analytical and computational approach for velocity fields defined as data sets
Distinguished hyperbolic trajectories time-dependent fluid flows velocity fields
2009/11/12
In this paper we develop analytical and numerical methods for finding special hyperbolic trajectories that govern geometry of Lagrangian structures in time-dependent vector fields. The vector fields (...
Resonant-to-nonresonant transition in electrostatic ion-cyclotron wave phase velocity
Resonant-to-nonresonant transition electrostatic ion-cyclotron wave phase velocity
2009/11/11
Because of the implications for plasmas in the laboratory and in space, attention has been drawn to inhomogeneous energy-density driven (IEDD) waves that are sustained by velocity-shear-induced inhomo...
Lagrangian velocity statistics of directed launch strategies in a Gulf of Mexico model
Lagrangian velocity statistics directed launch strategies Gulf of Mexico model
2009/11/11
The spatial dependence of Lagrangian displacement and velocity statistics is studied in the context of a data assimilating numerical model of the Gulf Mexico. In the active eddy region of the Western ...