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102 research outcomes, page 1 of 11
  • publication . Article . Other literature type . 2022
    Open Access
    Authors:
    P. L. Fung; P. L. Fung; M. A. Zaidan; M. A. Zaidan; M. A. Zaidan; J. V. Niemi; E. Saukko; H. Timonen; A. Kousa; J. Kuula; ...
    Persistent Identifiers
    Publisher: Copernicus GmbH
    Country: Finland
    Project: AKA | Atmosphere and Climate Co... (337552), AKA | Atmosphere and Climate Co... (337549), EC | ERA-PLANET (689443)

    Lung-deposited surface area (LDSA) has been considered to be a better metric to explain nanoparticle toxicity instead of the commonly used particulate mass concentration. LDSA concentrations can be obtained either by direct measurements or by calculation based on the em...

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  • publication . Article . Other literature type . Preprint . 2021
    Open Access English
    Authors:
    M. Lange; H. Suominen; M. Kurppa; L. Järvi; L. Järvi; E. Oikarinen; R. Savvides; K. Puolamäki; K. Puolamäki;
    Publisher: Copernicus Publications
    Country: Finland
    Project: EC | ERA-PLANET (689443), AKA | Finnish Center for Artifi... (320182), AKA | Structure from randomizat... (326339)

    Running large-eddy simulations (LESs) can be burdensome and computationally too expensive from the application point of view, for example, to support urban planning. In this study, regression models are used to replicate modelled air pollutant concentrations from LES in...

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  • publication . Article . 2021
    Open Access
    Persistent Identifiers
    Project: AKA | Atmosphere and Climate Co... (337549), EC | ACTRIS-2 (654109), EC | ACTRIS PPP (739530), EC | ERA-PLANET (689443), AKA | Centre of Excellence in A... (307331), AKA | Aerosol, Clouds and Trace... (329274), EC | ACTRIS IMP (871115), AKA | Integrated Atmospheric an... (328616)

    Abstract. Mixed-phase clouds are globally omnipresent and play a major role in the Earth's radiation budget and precipitation formation. The existence of liquid droplets in the presence of ice particles is microphysically unstable and depends on a delicate balance of se...

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  • publication . Article . Other literature type . Preprint . 2021
    Open Access English
    Authors:
    Tuija Jokinen; Katrianne Lehtipalo; Roseline C. Thakur; Ilona Ylivinkka; Kimmo Neitola; Nina Sarnela; Totti Laitinen; Markku Kulmala; Tuukka Petäjä; Mikko Sipilä;
    Publisher: Copernicus Publications
    Country: Finland
    Project: EC | GASPARCON (714621), AKA | Understanding oceanic fre... (315203), AKA | Arctic Community Resilien... (334792), AKA | Toward molecular revoluti... (334514), AKA | NanoBioMass - Natural Sec... (307537), AKA | ‘Centre of Excellence in ... (272041), EC | EMME-CARE (856612), EC | ATM-GTP (742206), AKA | Molecular steps of gas-to... (296628), AKA | Towards cleaner air: Unde... (316114),...

    Aerosol particles form in the atmosphere via the clustering of certain atmospheric vapors. After growing into larger particles by the condensation of low-volatility gases, they can affect the Earth's climate by scattering light and acting as cloud condensation nuclei (C...

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  • publication . Article . 2021
    Closed Access English
    Authors:
    José Alberto Ramírez-Valiente; Aida Solé-Medina; Tanja Pyhäjärvi; Outi Savolainen; Katrin Heer; Lars Opgenoorth; Darius Danusevičius; Juan José Robledo-Arnuncio;
    Persistent Identifiers
    Project: EC | GenTree (676876), AKA | Evolutionary consequences... (287431)

    Early-stage fitness variation has been seldom evaluated at broad scales in forest tree species, despite the long tradition of studying climate-driven intraspecific genetic variation. In this study, we evaluated the role of climate in driving patterns of population diffe...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Tom V. Kokkonen; Yuning Xie; Pauli Paasonen; Shahzad Gani; Jiang Lin; Bo Wang; Derong Zhou; Wei Qin; Wei Nie; Veli-Matti Kerminen; ...
    Persistent Identifiers
    Publisher: RSC
    Country: Finland
    Project: AKA | ‘Centre of Excellence in ... (272041), AKA | Atmosphere and Climate Co... (337549), EC | ERA-PLANET (689443), EC | ATM-GTP (742206), AKA | Towards cleaner air: Unde... (316114), AKA | Understanding oceanic fre... (315203), AKA | NanoBioMass - Natural Sec... (307537)

    The effects of the urban morphological characteristics on the spatial variation of near-surface PM2.5 air quality were examined. Unlike previous studies, we performed the analyses in real urban environments using continuous observations covering the whole scale of urban...

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  • publication . Article . Other literature type . 2021
    Open Access English
    Authors:
    Fung, Pak Lun; Zaidan, Martha Arbayani; Surakhi, Ola; Tarkoma, Sasu; Petäjä, Tuukka; Hussein, Tareq;
    Country: Finland
    Project: AKA | ‘Centre of Excellence in ... (272041), EC | ERA-PLANET (689443)

    In air quality research, often only size-integrated particle mass concentrations as indicators of aerosol particles are considered. However, the mass concentrations do not provide sufficient information to convey the full story of fractionated size distribution, in whic...

  • publication . Article . Preprint . 2021
    Open Access
    Authors:
    Haoran Li; Alexei Korolev; Dmitri Moisseev;
    Persistent Identifiers
    Publisher: Copernicus GmbH
    Country: Finland
    Project: EC | ACTRIS-2 (654109), EC | ACTRIS PPP (739530), EC | ERA-PLANET (689443), AKA | Integrated Atmospheric an... (328616), AKA | Atmosphere and Climate Co... (337549), AKA | Centre of Excellence in A... (307331), AKA | Aerosol, Clouds and Trace... (329274), EC | ACTRIS IMP (871115)

    Abstract. Mixed-phase clouds are globally omnipresent and play a major role in the Earth's radiation budget and precipitation formation. The existence of liquid droplets in presence of ice particles is microphysically unstable and depends on a delicate balance of severa...

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  • publication . Article . Other literature type . 2021
    Open Access English
    Authors:
    Thorp, T; Arnold, SR; Pope, RJ; Spracklen, DV; Conibear, L; Knote, C; Arshinov, M; Belan, B; Asmi, E; Laurila, T; ...
    Publisher: Copernicus Publications
    Countries: Finland, United Kingdom, Germany
    Project: AKA | Centre of Excellence in A... (307331), UKRI | Arctic Community Resilien... (NE/T013672/1), EC | ERA-PLANET (689443), UKRI | NERC Science @ Leeds and ... (NE/L002574/1)

    We use a regional chemistry transport model (Weather Research and Forecasting model coupled with chemistry, WRF-Chem) in conjunction with surface observations of tropospheric ozone and Ozone Monitoring Instrument (OMI) satellite retrievals of tropospheric column NO2 to ...

  • publication . Article . Other literature type . Preprint . 2021
    Open Access English
    Authors:
    J. Schneider; K. Höhler; P. Heikkilä; J. Keskinen; B. Bertozzi; P. Bogert; T. Schorr; N. S. Umo; F. Vogel; Z. Brasseur; ...
    Publisher: European Geosciences Union
    Countries: Germany, Finland
    Project: EC | ACTRIS-2 (654109), AKA | Ice Clouds and Ice Nuclea... (286558), AKA | Centre of Excellence in A... (307331), EC | ACTRIS PPP (739530), EC | ERA-PLANET (689443), AKA | Arctic Community Resilien... (334792), EC | ACTRIS IMP (871115), AKA | NanoBioMass - Natural Sec... (307537), EC | MarineIce (648661)

    Abstract. Ice-nucleating particles (INPs) trigger the formation of cloud ice crystals in the atmosphere. Therefore, they strongly influence cloud microphysical and optical properties and precipitation and the life cycle of clouds. Improving weather forecasting and clima...

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102 research outcomes, page 1 of 11