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Clouds and climate transitioning to post-fossil aerosol regime

Descrizione del progetto

Ricerche sul clima e previsioni meteorologiche migliori

Il nostro mondo è in fase di transizione e si sta dirigendo verso una realtà post-fossile. Tuttavia, la danza tra aerosol e nuvole emerge come una sfida cruciale per il clima. Le interazioni aerosol-nuvole rappresentano la maggiore fonte di incertezza nelle proiezioni climatiche, così da gettare un’ombra sulla nostra capacità di prevedere accuratamente i cambiamenti ambientali. Il passaggio verso emissioni ridotte di aerosol antropogenici, unito all’aumento degli impatti degli aerosol naturali, aggiunge un nuovo livello di complessità al puzzle climatico. In risposta a questo problema urgente, il progetto CleanCloud, finanziato dall’UE, emerge come un faro di innovazione scientifica, dedito a svelare i misteri delle interazioni aerosol-nuvole e a rafforzare la nostra comprensione delle dinamiche climatiche in un mondo in continua evoluzione.

Obiettivo

Aerosol-cloud interactions (ACI) remain the largest source of uncertainty in past, present, and future radiative forcing, impeding credible climate projections. ACI effects are expected to change dramatically as we enter a post-fossil world, characterized by strong reductions in anthropogenic aerosol emissions but with increasingly larger impacts from natural aerosols. Although we expect cleaner clouds compared to today, ACI in this post-fossil state may considerably differ from preindustrial conditions, owing to shifts in climate and changes in sources region characteristics. CleanCloud will address the major gaps impeding robust ACI assessments, improve their representation in current and next generation kilometer-scale climate models , quantify and understand their regional and temporal effects, and how they will evolve in the transition to the post-fossil regime. To accomplish this, CleanCloud will 1) carry out targeted field experiments in European climate hotspots; 2) develop state-of-the-art algorithms and analysis tools to obtain new proxies and diagnostics for key ACI-related processes; 3) contribute to the calibration and validation of upcoming satellite missions in coordination with the satellite community; 4) improve and better constrain kilometer- and large-scale climate models using advanced machine learning, data assimilation and model calibration, confronting perturbed physics ensembles with existing and new satellite and in-situ data; and 5) assess the role of aerosols in the life cycle of convective systems, focusing on precipitation formation and the impacts on the hydrological cycle, and 6) enhance the exploitation of data centres, measurement programs, international campaigns, laboratory studies, and models. With these, CleanCloud will profoundly strengthen European Research on climate change, significantly contribute to upcoming climate assessments, and benefit society through models that enable improved weather and seasonal predictions.

Coordinatore

AARHUS UNIVERSITET
Contribution nette de l'UE
€ 1 183 220,06
Indirizzo
NORDRE RINGGADE 1
8000 Aarhus C
Danimarca

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Regione
Danmark Midtjylland Østjylland
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato

Partecipanti (13)

Partner (6)