The European Long Range Tracer Experiment (ETEX): Preliminary Evaluation of Model Intercomparison Exercise

Archer, Graeme; Girardi, F.; Graziani, Gabriela; Klug, W.; Mosca, Sonia; Nodop, Katrin

doi:10.1007/978-1-4615-5841-5_20

Cited by 5 publications

(1 citation statement)

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“…A validációhoz szükséges a modellek minőségét jellemző számszerű mennyiségek definiálása. Az előrejelzések és a mért adatok egyezőségét az ETEX kísérletet követő validációs tanulmányokban különböző statisztikai mutatók segítségével mérték (Mosca et al, 1998) A modellek eredményeinek kiértékelése során az ETEX kutatói az alábbi főbb következtetéseket tették (Archer et al, 1996;Nodop, 1997;Van dop et al, 1998):…”

Section: Vizsgálataunclassified

Szennyezőanyagok légköri koncentrációját előrejelző modellrendszer fejlesztése és alkalmazása

Leelőssy¹

2017

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Atmospheric dispersion models have become important tools for air pollution meteorology for the last decades. Based on meteorological data, these models can simulate the transmission of pollutants released from accidental or normal industrial processes, traffic and households, as well as deflation and evaporation. The scale of the dispersion process can range from local air pollution events to globally detectable nuclear accidents. Simulation of atmospheric dispersion on different scales requires different modeling approaches.The aim of this research is to develop an atmospheric dispersion model applicable on a wide range of scales. A regional-to-global scale Lagrangian particle dispersion model and a local scale plume model have been developed, which can be used with data from several numerical weather prediction systems.The main application of the Lagrangian model was the simulation of the global dispersion of radionuclides released from the Fukushima Nuclear Power Plant. Measurement data from several sites in the Northern Hemisphere provided a resource to validate model results and to reconstruct the dispersion process in each region.The developed dispersion models have been applied for recent cases in Hungary that reached large public interest. Our plume model was used to simulate the long-term spatial distribution of deflated industrial dust from the Budapest Chemical Works site for a period of thirteen years. Radioiodine release from the Institute of Isotopes in Budapest was simulated with our Lagrangian model to reveal model uncertainties in a complex weather situation with low-level inversion and wind shear.Our Gaussian and Lagrangian models can simulate the dispersion of passive tracers or toxic substances with a simple chemical mechanism. Development of the model allows the flexible adaptation for special needs of users and its integration into complex decision support software. Development and testing provided valuable experience for future applications to select and set up the best possible modeling tool for atmospheric dispersion problems.

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Section: Vizsgálataunclassified

Szennyezőanyagok légköri koncentrációját előrejelző modellrendszer fejlesztése és alkalmazása

Leelőssy¹

2017

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A Study of the Tracer Dispersion Model Snap Using Ensemble Forecasts and Its Evaluation by Using European Tracer Experiment Data

Straume

Koffi

Nodop

1998

Air Pollution Modeling and Its Application XII

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The European Tracer Experiment ETEX: A Comparison of Long Range Atmospheric Dispersion Models in Different Weather Conditions

Graziani

Klug²,

Mosca

1998

Air Pollution Modeling and Its Application XII

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The European Long Range Tracer Experiment (ETEX): Preliminary Evaluation of Model Intercomparison Exercise

Cited by 5 publications

References 1 publication

Szennyezőanyagok légköri koncentrációját előrejelző modellrendszer fejlesztése és alkalmazása

Szennyezőanyagok légköri koncentrációját előrejelző modellrendszer fejlesztése és alkalmazása

A Study of the Tracer Dispersion Model Snap Using Ensemble Forecasts and Its Evaluation by Using European Tracer Experiment Data

The European Tracer Experiment ETEX: A Comparison of Long Range Atmospheric Dispersion Models in Different Weather Conditions

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