Citation:

Hogrefe, C., S. Galmarini, E. Solazzo, R. Bianconi, R. Bellasio, P. Liu, AND R. Mathur. Continental-Scale Analysis of Atmospheric Deposition Over North America and Europe Using the AQMEII Database. Chapter 48, Air Pollution Modeling and its Application XXVI. Springer Nature, New York, NY, , 305-308, (2020). https://doi.org/10.1007/978-3-030-22055-6_48

Impact/Purpose:

This study presents an analysis of modeled wet and dry deposition fields generated through the first three phases of the Air Quality Model Evaluation International Initiative (AQMEII). AQMEII is a collaboration between North American and European regional air quality modelers and is being co-chaired by EPA and the European Commission Joint Research Centre. As AQMEII is finishing its third phase in the coming months, planning has begun to initiate a fourth phase with a focus on atmospheric deposition. Analyzing deposition fields generated through the first three phases is expected to inform the AQMEII Phase 4 planning process by determining potential gaps in the existing data and identifying research priorities.

Description:

Participants in the Air Quality Model Evaluation International Initiative (AQMEII) have conducted three rounds of model evaluation and intercomparison activities over Europe and North America since 2010, resulting in a large dataset of modeled meteorology, air quality and deposition fields for 2006–2010 that is available to the community for ongoing research on model evaluation. This study presents a brief analysis of some of the deposition fields generated during these past phases of AQMEII, quantifying both model-to-model variability and the level of agreement with available wet deposition measurements. We also discuss potential future AQMEII work focused on evaluating deposition and using modeled deposition fields for applications such as producing maps of estimated total deposition.

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