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108 research outcomes, page 1 of 11
  • publication . Review . Article . Other literature type . 2022
    Open Access English
    Authors:
    Hanna K. Lappalainen; Tuukka Petäjä; Timo Vihma; Jouni Räisänen; Alexander Baklanov; Sergey Chalov; Igor Esau; Ekaterina Ezhova; Matti Leppäranta; Dmitry Pozdnyakov; ...
    Countries: France, Finland, Germany
    Project: EC | ERA-PLANET (689443)

    Short summary We summarize results during the last 5 years in the northern Eurasian region, especially from Russia, and introduce recent observations of the air quality in the urban environments in China. Although the scientific knowledge in these regions has increased,...

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  • publication . Article . Other literature type . 2022
    Open Access
    Authors:
    Vaios Moschos; Katja Dzepina; Deepika Bhattu; Houssni Lamkaddam; Roberto Casotto; Kaspar R. Daellenbach; Francesco Canonaco; Pragati Rai; Wenche Aas; Silvia Becagli; ...
    Persistent Identifiers
    Countries: Switzerland, Germany, Norway, Italy, Finland
    Project: EC | ERA-PLANET (689443)

    Organic aerosols in the Arctic are predominantly fuelled by anthropogenic sources in winter and natural sources in summer, according to observations from eight sites across the Arctic Aerosols play an important yet uncertain role in modulating the radiation balance of t...

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  • 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 . Other literature type . Article . 2022
    Open Access
    Authors:
    Vaios Moschos; Julia Schmale; Wenche Aas; Silvia Becagli; Giulia Calzolai; Konstantinos Eleftheriadis; Claire E Moffett; Jürgen Schnelle-Kreis; Mirko Severi; Sangeeta Sharma; ...
    Persistent Identifiers
    Publisher: IOP Publishing Ltd
    Countries: Italy, Finland, Germany, Norway, Switzerland
    Project: EC | ERA-PLANET (689443)

    Abstract The Arctic is warming two to three times faster than the global average, and the role of aerosols is not well constrained. Aerosol number concentrations can be very low in remote environments, rendering local cloud radiative properties highly sensitive to avail...

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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 . Preprint . Article . 2021
    Open Access English
    Authors:
    Jami Pekkanen; Oscar Giles; Yee Mun Lee; Ruth Madigan; Tatsuru Daimon; Natasha Merat; Gustav Markkula;
    Publisher: Springer
    Countries: United Kingdom, Finland
    Project: EC | interACT (723395)

    AbstractHuman behavior and interaction in road traffic is highly complex, with many open scientific questions of high applied importance, not least in relation to recent development efforts toward automated vehicles. In parallel, recent decades have seen major advances ...

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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
    Open Access English
    Authors:
    Naser Hossein Motlagh; Martha A. Zaidan; Pak Lun Fung; Eemil Lagerspetz; Kasimir Aula; Samu Varjonen; Matti Siekkinen; Andrew Rebeiro-Hargrave; Tuukka Petäjä; Yutaka Matsumi; ...
    Persistent Identifiers
    Country: Finland
    Project: EC | ERA-PLANET (689443)

    Abstract Transit activities are a significant contributor to a person’s daily exposure to pollutants. Currently obtaining accurate information about the personal exposure of a commuter is challenging as existing solutions either have a coarse monitoring resolution that ...

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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...

108 research outcomes, page 1 of 11