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<p>Various software tools are available for numerical 2D simulations of surface runoff caused by heavy rainfall. Increasing user-friendliness enables straightforward result generation, even for inexperienced modelers. However, the quality of the results depends on the quality of the model, with key parameters being model-specific and not determined solely by empirical values. The article illustrates this by examining the influence of the computational mesh and roughness, as well as the consideration of obstacles and large rivers.</p>

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Einflussgrößen bei gekoppelten Starkregensimulationen

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Daniel B. Bung,
  • Amin Marvani

摘要

Various software tools are available for numerical 2D simulations of surface runoff caused by heavy rainfall. Increasing user-friendliness enables straightforward result generation, even for inexperienced modelers. However, the quality of the results depends on the quality of the model, with key parameters being model-specific and not determined solely by empirical values. The article illustrates this by examining the influence of the computational mesh and roughness, as well as the consideration of obstacles and large rivers.