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IMPLICIT THREE-DIMENSIONAL GEO-MODELLING BASED ON HRBF SURFACE
Implicit modelling Hermite radial basis function (HRBF) 3D geological modelling ore body modelling
2016/10/14
Three-dimensional (3D) geological models are important representations of the results of regional geological surveys. However, the process of constructing 3D geological models from two-dimensional (2D...
Tornillo seismic events at Galeras volcano, Colombia: a summary and new information from broadband three-component measurements
volcanoes seismic events broadband record tornillos Galeras volcano
2015/10/8
Long-duration events have been recorded at several active, andesitic volcanoes. Their main characteristics are a single, sharp frequency peak, and an exceptionally long coda. Because their seismograms...
The anatomy of a tornillo: puzzles from three-component measurements at Galeras volcano (Colombia)
Galeras tornillo polarizations analytic function parametrization
2015/10/8
Many of the recent ash eruptions of Galeras volcano (Colombia) have been preceded by tornillos. These unusual seismic events of unknown origin have screw-like profiles on seismograms and can last up t...
Reassessment of source parameters for three major earthquakes in the East African rift system from historical seismograms and bulletins
parameters major earthquakes
2015/9/30
Source parameters for three majo earthquakes in the East African rift are re-computed from historical seismograms and bulletins. The main shock and the largest foreshock of the August 25, 1906 earthqu...
Three-dimensional interpretation of MT data in volcanic environments (computer simulation)
3D interpretation magnetotelluric data imaging monitorinc volcanoes magma chamber remote sounding
2015/9/28
The research is aimed, first, to find components of MT-fields and their transforms, which facilitate the imaging of the internal structure of volcanoes and, second, to study the detectability of condu...
Forecasting geomagnetic activity three hours in advance for ionospheric applications
Geomagnetic activity ionospheric disturbance ferecasting
2015/9/28
An attempt at forecasting the magnetic activity index three hours in advance is presented. This approach is based on a suitable treatment of time-weighted accumulations of the three-hourly magnetic in...
19th century earthquakes in Mexico: three cases, three comparative studies
earthquakes Mexico City
2015/9/14
This paper is a comparative study of the three strongest 19th century earthquakes in Mexico and their effects and impact mainly in Mexico City. The research is based on historical sources and previous...
Full three-dimensional relocation and tomographic inversion of the 1977-2008 earthquakes in north-eastern Italy:a feasibility study
3D Relocation Tomography
2015/8/18
In a regional seismological network, the estimation of the epicenter is usually robust, especially for events inside or close to the network boundaries. In contrast, the hypocentral depth is very sens...
THREE-DIMENSIONAL (3D) GIS-BASED TOPOGRAPHICALLY MORPHOLOGICAL ANALYSIS AND DYNAMICAL VISUALIZATION OF ASSATEAGUE ISLAND NATIONAL SEASHORE
Three-dimensional DEM/DTM LIDAR GIS Coast Sea Visualization
2015/7/29
The dynamic and complex nature of shorelines and beach topographic morphology present numerous challenges to geospatial
analysis. Displaying and visualizing changes in these environments requires in...
The sensitivity of GNSS measurements in Fennoscandia to distinct three-dimensional upper-mantle structures
GNSS measurements Fennoscandia three-dimensional upper-mantle structures
2015/1/6
The sensitivity of global navigation satellite system (GNSS) measurements in Fennoscandia to nearby viscosity variations in the upper mantle is investigated using a 3-D finite element model of glacial...
Assessing climate model software quality: a defect density analysis of three models
model software quality: three models
2014/12/10
A climate model is an executable theory of the climate; the model encapsulates climatological theories in software so that they can be simulated and their implications investigated. Thus, in order to ...
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...
Three‐dimensional FEM derived elastic Green’s functions for the coseismic deformation of the 2005Mw8.7 Nias‐Simeulue, Sumatra earthquake
Green’s functions coseismic deformation finite element model
2014/4/9
Using finite element models (FEMs), we examine the sensitivity of surface displacements to the location of fault slip, topography, and three‐dimensional variations in elastic moduli in the context of ...
Experience from three years of local capacity development for tsunami early warning in Indonesia: challenges, lessons and the way ahead
local capacity development tsunami early warning Indonesia challenges lessons the way ahead
2010/10/21
Five years after the 2004 tsunami, a lot has been achieved to make communities in Indonesia better prepared for tsunamis. This achievement is primarily linked to the development of the Indonesian Tsun...
Three‐dimensional earthquake sequence simulations with evolving temperature and pore pressure due to shear heating: Effect of heterogeneous hydraulic diffusivity
Three‐dimensional earthquake sequence simulations evolving temperature pore pressure due to shear heating:heterogeneous hydraulic diffusivity
2014/4/8
A new methodology for three‐dimensional (3‐D) simulations of earthquake sequences is presented that accounts not only for inertial effects during seismic events but also for shear‐induced temperature ...