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Linking laser scanning to snowpack modeling: Data processing and visualization

机译：将激光扫描与雪堆建模联系起来：数据处理和可视化

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摘要

SnowSim is a newly developed physical snowpack model that can use three-dimensional terrestrial laser scanning data to generate model domains. This greatly simplifies the input and numerical simulation of snow covers in complex terrains. The program can model two-dimensional cross sections of general slopes, with complicated snow distributions. The model predicts temperature distributions and snow settlements in this cross section. Thus, the model can be used for a wide range of problems in snow science and engineering, including numerical investigations of avalanche formation. The governing partial differential equations are solved by means of the finite element method, using triangular elements. All essential data for defining the boundary conditions and evaluating the simulation results are gathered by automatic weather and snow measurement sites. This work focuses on the treatment of these measurements and the simulation results, and presents a pre- and postprocessing graphical user interface (GUI) programmed in Matlab.
机译：SnowSim是新开发的物理积雪模型，可以使用三维地面激光扫描数据来生成模型域。这大大简化了复杂地形中积雪的输入和数值模拟。该程序可以对一般坡度的二维横截面进行建模，并具有复杂的积雪分布。该模型可预测该断面的温度分布和积雪。因此，该模型可用于雪科学和工程中的各种问题，包括雪崩形成的数值研究。支配的偏微分方程通过使用三角单元的有限元方法求解。自动天气和降雪测量站点收集了用于定义边界条件和评估模拟结果的所有基本数据。这项工作着重于这些测量值和仿真结果的处理，并介绍了在Matlab中编程的预处理和后处理图形用户界面（GUI）。

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