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107 Research products, page 1 of 11

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  • Atmospheric Chemistry and Physics (ACP)

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  • Open Access English
    Authors: 
    Kupiainen, Kaarle Juhana; Aamaas, Borgar; Savolahti, Mikko; Karvosenoja, Niko; Paunu, Ville-Veikko;
    Project: AKA | Keeping the Arctic White:... (286699), AKA | Novel Assessment of Black... (296644), EC | ECLIPSE (282688)

    We present a case study where emission metric values from different studies are applied to estimate global and Arctic temperature impacts of emissions from a northern European country. This study assesses the climate impact of Finnish air pollutants and greenhouse gas e...

  • Open Access English
    Authors: 
    Calmer, Radiance; Roberts, Gregory C.; Sanchez, Kevin J.; Sciare, Jean; Sellegri, Karine; Picard, David; Vrekoussis, Mihalis; Pikridas, Michael;
    Project: EC | BACCHUS (603445)

    In the framework of the EU-FP7 BACCHUS project, an intensive field campaign was performed in Cyprus (2015/03). Remotely Piloted Aircraft System (RPAS), ground-based instruments, and remote-sensing observations were operating in parallel to provide an integrated characte...

  • Open Access English
    Authors: 
    Hobe, Marc; Ploeger, Felix; Konopka, Paul; Kloss, Corinna; Ulanowski, Alexey; Yushkov, Vladimir; Ravegnani, Fabrizio; Volk, C. Michael; Pan, Laura L.; Honomichl, Shawn B.; +4 more
    Project: EC | STRATOCLIM (603557)

    Every year during the Asian summer monsoon season from about mid-June to early September, a stable anticyclonic circulation system forms over the Himalayas. This Asian summer monsoon (ASM) anticyclone has been shown to promote transport of air into the stratosphere from...

  • Open Access English
    Authors: 
    Bednarz, Ewa M.; Maycock, Amanda C.; Telford, Paul J.; Braesicke, Peter; Abraham, N. Luke; Pyle, John A.;
    Project: EC | ACCI (267760)

    The 11-year solar cycle forcing is recognised as an important atmospheric forcing; however, there remain uncertainties in characterising the effects of solar variability on the atmosphere from observations and models. Here we present the first detailed assessment of the...

  • Open Access English
    Authors: 
    Dearden, Christopher; Hill, Adrian; Coe, Hugh; Choularton, Tom;
    Project: EC | DACCIWA (603502)

    Large-eddy simulations are performed to investigate the influence of cloud microphysics on the evolution of low-level clouds that form over southern West Africa during the monsoon season. We find that, even in clouds that are not precipitating, the size of cloud droplet...

  • Open Access English
    Authors: 
    Blechschmidt, Anne-Marlene; Arteta, Joaquim; Coman, Adriana; Curier, Lyana; Eskes, Henk; Foret, Gilles; Gielen, Clio; Hendrick, Francois; Marécal, Virginie; Meleux, Frédérik; +13 more
    Project: EC | MACC II (283576), EC | NORS (284421), EC | MACC-III (633080)

    Multi-axis differential optical absorption spectroscopy (MAX-DOAS) tropospheric NO2 column retrievals from four European measurement stations are compared to simulations from five regional air quality models which contribute to the European regional ensemble forecasts a...

  • Open Access English
    Authors: 
    Fanourgakis, George S.; Kanakidou, Maria; Nenes, Athanasios; Bauer, Susanne E.; Bergman, Tommi; Carslaw, Ken S.; Grini, Alf; Hamilton, Douglas S.; Johnson, Jill S.; Karydis, Vlassis A.; +29 more
    Project: EC | CRESCENDO (641816), EC | PyroTRACH (726165), EC | BACCHUS (603445), EC | ACTRIS-2 (654109), NSF | Development, Validation, ... (1550816), EC | RECAP (724602)

    A total of 16 global chemistry transport models and general circulation models have participated in this study; 14 models have been evaluated with regard to their ability to reproduce the near-surface observed number concentration of aerosol particles and cloud condensa...

  • Open Access English
    Authors: 
    Luo, Yuanyuan; Garmash, Olga; Li, Haiyan; Graeffe, Frans; Praplan, Arnaud P.; Liikanen, Anssi; Zhang, Yanjun; Meder, Melissa; Peräkylä, Otso; Peñuelas, Josep; +2 more
    Project: EC | IMBALANCE-P (610028)

    Diterpenes (C20H32) are biogenically emitted volatile compounds that only recently have been observed in ambient air. They are expected to be highly reactive, and their oxidation is likely to form condensable vapors. However, until now, no studies have investigated gas-...

  • Open Access English
    Authors: 
    Watson-Parris, Duncan; Schutgens, Nick; Reddington, Carly; Pringle, Kirsty J.; Liu, Dantong; Allan, James D.; Coe, Hugh; Carslaw, Ken S.; Stier, Philip;
    Project: UKRI | Global Aerosol Synthesis ... (NE/J022624/1), EC | BACCHUS (603445), UKRI | Improving Model Processes... (NE/M017206/1), UKRI | The Aerosol-Cloud Uncerta... (NE/P013406/1), UKRI | CLouds and Aerosol Radiat... (NE/L01355X/1), EC | RECAP (724602), UKRI | access to EnVironmental A... (ST/P003206/1)

    Despite ongoing efforts, the vertical distribution of aerosols globally is poorly understood. This in turn leads to large uncertainties in the contributions of the direct and indirect aerosol forcing on climate. Using the Global Aerosol Synthesis and Science Project (GA...

  • Open Access English
    Authors: 
    Sourdeval, Odran; Gryspeerdt, Edward; Krämer, Martina; Goren, Tom; Delanoë, Julien; Afchine, Armin; Hemmer, Friederike; Quaas, Johannes;
    Project: EC | QUAERERE (306284), EC | MSCCC (703880)

    The number concentration of cloud particles is a key quantity for understanding aerosol–cloud interactions and describing clouds in climate and numerical weather prediction models. In contrast with recent advances for liquid clouds, few observational constraints exist r...