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The role of Base molecules in AErosol formation

Aerosol formation and growth mechanisms need to be better understood to improve air quality and weather prediction models, and reduce uncertainty of radiative forcing in climate change projections. Globally, half of the aerosol po... ver más

30/04/2028

THE CYPRUS INSTITU...

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

THE CYPRUS INSTITUTE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-02-14

ERC-2022-STG: ERC STARTING GRANTS Scope:Objectives

I+D

Cerrada hace 3 años

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No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

THE CYPRUS INSTITUTE

2.25M€ | Lider

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Duración del proyecto: 62 meses Fecha Inicio: 2023-02-14
Fecha Fin: 2028-04-30

Líder del proyecto

THE CYPRUS INSTITUTE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Aerosol formation and growth mechanisms need to be better understood to improve air quality and weather prediction models, and reduce uncertainty of radiative forcing in climate change projections. Globally, half of the aerosol population is formed via gas-to-particle conversion and the fraction exceeds 90% in high latitudes. In many locations, the initial molecular cluster forms from sulphuric acid and ammonia or dimethylamine. Growth to an aerosol particle is often explained by the condensation of sulphuric acid, methanesulfonic acid and highly oxygenated organic compounds. While the roles of strong acids and organic compounds and their oxidation channels are quantified in laboratory and field studies, cation detection and neutral atmospheric base measurements are notably under-represented. An important innovation of this project will be the direct measurement of cations and neutral base molecules and clusters based on mass spectrometry. Ammonia, a base predominantly emitted by agriculture, is a key air pollutant in the formation of fine particulate matter (PM2.5). In western Europe, up to half of PM2.5 is attributed to ammonia pollution because of its ability to form aerosols in reactions with common atmospheric acids. Current atmospheric models do not include amines, which can form aerosol particles at a 1000-times faster rate than ammonia. To uncover the composition and level of toxicity of PM2.5, as well as the scattering and absorption of sunlight by aerosol particles, it is critical to understand the atmospheric chemistry and molecular pathways that control their formation and growth. The project will focus on the role of base molecules in the formation of new particles and their fate in the atmosphere and is led by an established PI with a demonstrated history in ground breaking nanoaerosol and precursor studies. It will underpin the modelling of atmospheric aerosol processes, which are subject to major precursor emission changes in Europe and beyond.

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