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Advancement of a Real-Time Atmospheric Dispersion Modeling System

机译:实时大气色散建模系统的进展

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This paper describes new capabilities which are being incorporated into the Department of Energy's operational National Atmospheric Release Advisory Center (NARAC) at Lawrence Livermore National Laboratory (LLNL). The NARAC system is used to provide detailed assessments of the consequences of atmospheric releases of hazardous materials for realtime emergency response, pre-planning and post-incident assessments, and research. At the core of the NARAC system are the coupled atmospheric data assimilation and dispersion models ADAPT/LODI (Sugiyama and Chan, 1998; Nasstrom et al., 2000) and an in-house version of the Naval Research Laboratory's COAMPS weather forecast model (Hodur, 1997). The NARAC models are supported by a real-time meteorological data acquisition system and extensive databases of geography, terrain, maps, population, source terms (radiological, chemical, biological), material properties, health-risk levels, and protective action guidelines. Internet- and Web-based software tools provide remote access to NARAC (C. Foster, et al., 2000) to request and display plume predictions as shown in Figure 1.
机译:本文介绍了新功能,这些新功能已被纳入能源部劳伦斯·利弗莫尔国家实验室(LLNL)的运营的国家大气释放咨询中心(NARAC)。 NARAC系统用于对危险物质在大气中释放的后果进行详细评估,以进行实时应急响应,计划前和事后评估以及研究。 NARAC系统的核心是耦合的大气数据同化和散布模型ADAPT / LODI(Sugiyama和Chan,1998年; Nasstrom等人,2000年)和内部版本的海军研究实验室的COAMPS天气预报模型(Hodur)。 (1997年)。 NARAC模型由实时气象数据采集系统和广泛的地理,地形,地图,人口,源术语(放射,化学,生物学),物质特性,健康风险水平和保护措施指南数据库支持。基于Internet和基于Web的软件工具提供对NARAC的远程访问(C. Foster等,2000),以请求和显示羽状流预测,如图1所示。

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