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|Title:||Comparative analysis of meteorological performance of coupled chemistry-meteorology models in the context of AQMEII phase 2|
|Authors:||BRUNNER DOMINIK; SAVAGE NICHOLAS; JORBA ORIOL; EDER BRIAN; GIORDANO LEA; BADIA ALBA; BALZARINI ALESSANDRA; BARO ROCIO; BIANCONI ROBERTO; CHEMEL CHARLES; CURCI GABRIELE; FORKEL RENATE; JIMENEZ-GUERRERO PEDRO; HIRTL MARCUS; HODZIC ALMA; HONZAK LUKA; IM ULAS; KNOTE CHRISTOPH; MAKAR PAUL; MANDERS-GROOT ASTRID; VAN MEIJGAARD ERIK; NEAL LUCY; PEREZ JUAN L.; PIROVANO GUIDO; SAN JOSE ROBERTO; SCHRODER WOLFRAM; SOKHI RANJEET S.; SYRAKOV DIMITER; TORIAN ALFREIDA; TUCCELLA PAOLO; WERHAHN J.; WOLKE RALF; YAHYA KHAIRUNNISA; ZABKAR RAHELA; ZHANG YANG; HOGREFE CHRISTIAN; GALMARINI STEFANO|
|Citation:||ATMOSPHERIC ENVIRONMENT vol. 115 p. 470-498|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Air pollution simulations critically depend on the quality of the underlying meteorology. In phase 2 of the Air Quality Model Evaluation International Initiative (AQMEII-2), thirteen modeling groups from Europe and four groups from North America operating eight different regional coupled chemistry and meteorology models participated in a coordinated model evaluation exercise. Each group simulated the year 2010 for a domain covering either Europe or North America or both. Here were present an operational analysis of model performance with respect to key meteorological variables relevant for atmospheric chemistry processes and air quality. These parameters include temperature and wind speed at the surface and in the vertical profile, incoming solar radiation at the ground, precipitation, and planetary boundary layer heights. A similar analysis was performed during AQMEII phase 1 (Vautard et al., 2012) for offline air quality models not directly coupled to the meteorological model core as the model systems investigated here. Similar to phase 1, we found significant overpredictions of 10-m wind speeds by most models, more pronounced during night than during daytime. The seasonal evolution of temperature was well captured with monthly mean biases below 2 K over all domains. Solar incoming radiation, precipitation and PBL heights, on the other hand, showed significant spread between models and observations suggesting that major challenges still remain in the simulation of meteorological parameters relevant for air quality and for chemistry–climate interactions at the regional scale.|
|JRC Directorate:||Energy, Transport and Climate|
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