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Model developer +
No but possible +
No but possible +
No but possible +
Multiple Processors +
Creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
14:13:28, 9 February 2009 +
The underlying 1D model (SNOWPACK) is widely used by various collaborating researchers/institutions, both for research applications and for operational applications (avalanche warning services in multiple countries) +
The area to be simulated has to be describ … The area to be simulated has to be described (DEM, landuse). The meteorological input data (air temperature, relative humidity, precipitations...) have to be described (units, interpolations types). Some parameters about the model itself must be given (precision of the radiation ray tracing algorithms, characteristic lengths, parameters for a bucket model of runoff...)arameters for a bucket model of runoff...) +
Snow settling, temperature diffusion, snow saltation and suspension, snow metamorphism, terrain radiation. +
The model has been used with cells from 5 meters up to kilometers scale. +
Overall, the model is very computationally intensive. It is usually ran on a grid or a cluster. +
for every grid cell: air and surface tempe … for every grid cell: air and surface temperature, relative humidity, short and long wave radiation, snow height, snow water content, albedo</br></br>Global outputs: catchment discharge, surface and subsurface flow</br></br>At user defined locations: full snow profiles (temperature profile, grain types, grain sizes, density, water content, liquid water content)sity, water content, liquid water content) +
Alpine3D is a model for high resolution si … Alpine3D is a model for high resolution simulation of alpine surface processes, in particular snow processes. The model can be driven by measurements from automatic weather stations or by meteorological model outputs. The core three-dimensional Alpine3D modules consist of a radiation balance model (which uses a view factor approach and includes shortwave scattering and longwave emission from terrain and tall vegetation) and a drifting snow model solving a diffusion equation for suspended snow and a saltation transport equation. The processes in the atmosphere are thus treated in three dimensions and coupled to a distributed one dimensional model of vegetation, snow and soil model (Snowpack) using the assumption that lateral exchange is small in these media. lateral exchange is small in these media. +
The time scale constraints usually comes from the input meteorological data: each time step must be provided with a set of input data. +
Active +
Alpine3D is a model for high resolution si … Alpine3D is a model for high resolution simulation of alpine surface processes, in particular snow processes. The model can be forced by measurements from automatic weather stations or by meteorological model outputs (this is handled by the MeteoIO pre-processing library). The core three-dimensional Alpine3D modules consist of a radiation balance model (which uses a view factor approach and includes shortwave scattering and longwave emission from terrain and tall vegetation) and a drifting snow model solving a diffusion equation for suspended snow and a saltation transport equation. The processes in the atmosphere are thus treated in three dimensions and coupled to a distributed one dimensional model of vegetation, snow and soil model (Snowpack) using the assumption that lateral exchange is small in these media. The model can be used to force a distributed catchment hydrology model (AlpineFlow). The model modules can be run in a parallel mode, using either OpenMP and/or MPI. Finally, the Inishell tool provides a GUI for configuring and running Alpine3D.</br></br>Alpine3D is a valuable tool to investigate surface dynamics in mountains and is currently used to investigate snow cover dynamics for avalanche warning and permafrost development and vegetation changes under climate change scenarios. It could also be used to create accurate soil moisture assessments for meteorological and flood forecasting. for meteorological and flood forecasting. +
Mathias +
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ASCII +
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1.3 +
several Gbits (depends on the surface that is simulated) +
model +, processes +, high resolution simulation +, high resolution +, resolution simulation +, simulation of alpine +, alpine surface processes +, snow +, alpine surface +, vegetation +, snow model solving +, drifting snow model +, snow dynamics +, alpine3d +, meteorological model outputs +, meteoio pre-processing library + and snow model +
As code +
Modular +
https://alpine3d.slf.ch +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
08:40:37, 28 October 2024 +
54 +
3D model of alpine surface processes +
ASCII +
netCDF +
Flüelastrasse 13 +
7260 +
false +
false +
GPL v3 +
hours to days +
Through web repository +
https://alpine3d.slf.ch +
2006 +
Project manager +
any software able to visualize data in a 2D grid +
