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A Comprehensive NMVOC Speciation Database for European Atmospheric Modelling
Kevin Oliveira1, Marc Guevara2, Jeroen Kuenen3
1Barcelona Supercomputing Center, Plaça Eusebi Güell 1-3, Barcelona, 08034, Spain. kevin.deoliveira@bsc.es.
A new database quantifies European non-methane volatile organic compound (NMVOC) emissions using speciated profiles. This resource aids air quality modeling and mitigation strategy evaluation by providing detailed, harmonized data for European conditions.
Area of Science:
- Environmental Chemistry
- Atmospheric Science
- Air Quality Management
Background:
- Non-methane volatile organic compound (NMVOC) emissions are crucial for air quality modeling, influencing atmospheric oxidation and secondary pollutant formation.
- Accurate quantification of NMVOC emissions in Europe is currently limited, hindering effective air quality management and mitigation strategy development.
Purpose of the Study:
- To introduce a novel database of European-specific NMVOC speciation profiles.
- To provide harmonized data reflecting current European technologies, fuels, and regulations for all anthropogenic emission sources.
- To facilitate the integration of NMVOC speciation data into air quality models and emission inventories.
Main Methods:
- Systematic compilation and harmonization of NMVOC speciation profiles from scientific literature.
- Inclusion of 130 chemical speciation profiles and over 900 individual NMVOC species.
- Mapping profiles to Selected Nomenclature for Air Pollution (SNAP) and Nomenclature for Reporting (NFR) classifications for inventory integration.
- Aggregation of species into 25 Global Emissions Inventory Activity (GEIA) NMVOC groups for chemical mechanism compatibility.
Main Results:
- A comprehensive database of 130 NMVOC speciation profiles for European anthropogenic sources.
- Detailed species-level mass fractions and GEIA group aggregations for 900+ NMVOC species.
- Profiles mapped to SNAP and NFR sectors, with a ready-to-use file for the Copernicus Atmosphere Monitoring Service (CAMS-REG) inventory.
Conclusions:
- The new database significantly improves the quantification of European NMVOC emissions.
- It provides essential, harmonized data for advanced air quality modeling and the assessment of emission control strategies.
- Facilitates seamless integration into existing European emission inventory frameworks and modeling tools.
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