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An equivalent fluid/equivalent medium approach for the numerical simulation of coastal landslides propagation:theory and case studies
equivalent fluid equivalent medium approach numerical simulation coastal landslides propagation
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2009/12/10
Coastal and subaqueous landslides can be very dangerous phenomena since they are characterised by the additional risk of induced tsunamis, unlike their completely-subaerial counterparts. Numerical mod...
Basic rockfall simulation with consideration of vegetation and application to protection measure
Basic rockfall simulation consideration vegetation application protection measure
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2009/12/10
The estimation of risk due to rockfall is often done empirically. As a rational and effective method towards performance-based design of protection measures, a three-dimensional simulation method help...
Numerical simulation of runoff from extreme rainfall events in a mountain water catchment
Numerical simulation extreme rainfall events a mountain water catchment
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2009/12/9
A numerical model for unsteady shallow water flow over initially dry areas is applied to a case study in a small drainage area at the Spanish Ebro River basin. Several flood mitigation measures (refor...
Simulation of the effect of defence structures on granular flows using SPH
defence structures granular flows SPH
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2009/12/9
This paper presents the SPH (Smoothed Particles Hydrodynamics) numerical method adapted to complex rheology and free surface flow. It has been developed to simulate the local effect of a simple obstac...
Land-atmosphere interactions in an high resolution atmospheric simulation coupled with a surface data assimilation scheme
Land-atmosphere interactions high resolution atmospheric simulation data assimilation scheme
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2009/12/8
A valid tool for the retrieving of the turbulent fluxes that characterize the surface energy budget is constituted by the remote sensing of land surface states. In this study sequences of satellite-de...
An equivalent fluid/equivalent medium approach for the numerical simulation of coastal landslides propagation: theory and case studies
An equivalent fluid/equivalent medium approach the numerical simulation coastal landslides propagation
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2009/12/31
Coastal and subaqueous landslides can be very dangerous phenomena since they are characterised by the additional risk of induced tsunamis, unlike their completely-subaerial counterparts. Numerical mod...
Basic rockfall simulation with consideration of vegetation and application to protection measure
Basic rockfall simulation vegetation and application protection measure
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2009/12/31
The estimation of risk due to rockfall is often done empirically. As a rational and effective method towards performance-based design of protection measures, a three-dimensional simulation method help...
Simulation of land surface temperatures:comparison of two climate models and satellite retrievals
Simulation land surface temperatures two climate models satellite retrievals
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2010/2/5
Recently there has been significant progress in the retrieval of land surface temperature from satellite observations. Satellite retrievals of surface temperature offer several advantages, including b...
Three-dimensional simulation of the Ring effect in observations of scattered sun light using Monte Carlo radiative transfer models
Three-dimensional simulation Ring effect scattered sun light radiative transfer models
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2010/2/8
We present a new technique for the quantitative simulation of the "Ring effect" for scattered light observations from various platforms and under different atmospheric situations. The method is based ...
Exploring uncertainty in glacier mass balance modelling with Monte Carlo simulation
uncertainty glacier mass balance modelling Monte Carlo simulation
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2010/2/4
By means of Monte Carlo simulations we calculated uncertainty in modelled cumulative mass balance over 400 days at one particular point on the tongue of Morteratsch Glacier, Switzerland, using a glaci...
Assessing potential debris flow runout: a comparison of two simulation models
potential debris flow runout two simulation models
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2009/12/30
In this frame, the two codes RASH3D and FLO2D are used to numerically analyse the propagation of potential debris flows affecting two study sites in Southern Italy.
For these two study sites, a lack ...
An investigation of the effects of model structure on model performance to reduce discharge simulation uncertainty in two catchments
model structure model performance discharge simulation uncertainty catchments
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2010/1/28
This paper investigates the variations of model performance caused by different model structures in both flow processes and model complexity level. Two case studies indicate that model efficiency is s...
Simulation of polarimetric radar variables in rain at S-, C- and X-band wavelengths
polarimetric radar rain S-, C- and X-band wavelengths
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2010/1/28
Polarimetric radar variables of rainfall events, like differential reflectivity ZDR, or specific differential phase KDP, are better suited for estimating rain rate R than just the reflectivity factor ...
Model simulation of the global circulation in the middle atmosphere for January conditions
global circulation January conditions atmosphere Polar Geophysical Institute
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2010/1/28
A mathematical model of the global neutral wind system of the Earth's atmosphere, developed earlier in the Polar Geophysical Institute (PGI), is utilized to simulate the large-scale global circulation...
GIS-based two-dimensional numerical simulation of rainfall-induced debris flow
GIS-based two-dimensional numerical simulation rainfall-induced debris flow
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2009/12/29
This paper aims to present a useful numerical method to simulate the propagation and deposition of debris flow across the three dimensional complex terrain. A depth-averaged two-dimensional numerical ...