Real time simulation of 2007 Santa Ana fires

Real time simulation of 2007 Santa Ana fires
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2007 年圣安娜火灾的实时模拟

DOI:
10.1016/j.foreco.2012.12.014
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发表时间:
2013
影响因子:
3.7
通讯作者:
Krueger, S.K.
Krueger, S.K.
中科院分区:
农林科学1区
文献类型:
--
作者:
Kochanski, A.K.;Jenkins, M.A.;Mandel, J.;Beezley, J.D.;Krueger, S.K.

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在这项研究中,我们测试了使用大气-火灾耦合模式实时模拟大规模火灾的可行性。基于物理的大气-火灾耦合模型用于解决大尺度和局地天气以及大气-火灾的相互作用,而燃烧则简单地使用现有的作战地面火灾行为模型来表示。这种模式组合在保真度和执行速度之间取得了平衡。基于对两个非常大的圣安娜大火的数值模拟的分析,研究了这种方法的可行性。WRF-Sfire是由开放野火建模社区(OpenWFM.org)开发的大气-火灾耦合模式。研究表明,以一定的执行速度获得了相当准确的风和火传播预报,这将使对这一事件的实时野火预报成为可能。
In this study we test the feasibility of using a coupled atmosphere–fire model for real time simulations of massive fires. A physics-based coupled atmosphere–fire model is used to resolve the large-scale and local weather as well as the atmosphere–fire interactions, while combustion is represented simply using an existing operational surface fire behavior model. This model combination strikes a balance between fidelity and speed of execution. The feasibility of this approach is examined based on an analysis of a numerical simulation of two very large Santa Ana fires using WRF–Sfire, a coupled atmosphere–fire model developed by the Open Wild Fire Modeling Community (OpenWFM.org). The study demonstrates that a wind and fire spread forecast of reasonable accuracy was obtained at an execution speed that would have made real-time wildfire forecasting of this event possible.
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