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A. Virkkula · SciRah

Researcher profile · Semantic Scholar

A. Virkkula

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A. Virkkula — researcher profile on SciRah

h-index: 50
Works: 231
Citations: 8,708

Most-cited papers

Enhanced haze pollution by black carbon in megacities in China
Ai-Jun Ding, Xin Huang, W. Nie, Jian-Ning Sun +19 more
2016721 citations Open access
Semantic Scholar
Enhanced air pollution via aerosol-boundary layer feedback in China
T. Petäjä, L. Järvi, Veli-Matti Kerminen, A.-J. Ding +8 more
2016Scientific Reports378 citations Open access
Semantic Scholar
Characteristics and source apportionment of black carbon in the Helsinki metropolitan area, Finland
A. Helin, J. Niemi, A. Virkkula, L. Pirjola +7 more
2018Atmospheric Environment167 citations Open access
Semantic Scholar
Enhanced sulfate formation by nitrogen dioxide: Implications from in situ observations at the SORPES station
Yu-Ning Xie, A. Ding, W. Nie, H. Mao +14 more
2015149 citations
Semantic Scholar
Ion-induced sulfuric acid–ammonia nucleation drives particle formation in coastal Antarctica
T. Jokinen, M. Sipilä, J. Kontkanen, V. Vakkari +11 more
2018Science Advances140 citations Open access
Semantic Scholar
Aerosol size distribution and new particle formation in the western Yangtze River Delta of China: 2 years of measurements at the SORPES station
X. Qi, A. Ding, W. Nie, T. Petäjä +15 more
2015130 citations Open access
Semantic Scholar
On Aethalometer measurement uncertainties and an instrument correction factor for the Arctic
J. Backman, L. Schmeisser, A. Virkkula, J. Ogren +10 more
2017102 citations Open access
Semantic Scholar
Tropical and Boreal Forest – Atmosphere Interactions: A Review
P. Artaxo, H. Hansson, M. Andreae, J. Bäck +57 more
2022Tellus: Series B, Chemical and Physical Meteorology94 citations Open access
Semantic Scholar
A European aerosol phenomenology – 6: scattering properties of atmospheric aerosol particles from 28 ACTRIS sites
M. Pandolfi, L. Alados-Arboledas, A. Alastuey, M. Andrade +56 more
2017Atmospheric Chemistry and Physics90 citations Open access
Semantic Scholar
Variation of Absorption Ångström Exponent in Aerosols From Different Emission Sources
A. Helin, A. Virkkula, J. Backman, L. Pirjola +16 more
2021Journal of Geophysical Research - Atmospheres74 citations Open access
Semantic Scholar
On the interpretation of the loading correction of the aethalometer
A. Virkkula, X. Chi, A. Ding, Y. Shen +8 more
201574 citations Open access
Semantic Scholar
International Arctic Systems for Observing the Atmosphere: An International Polar Year Legacy Consortium
T. Uttal, S. Starkweather, J. Drummond, T. Vihma +50 more
201671 citations Open access
Semantic Scholar
Soot on Snow experiment: bidirectional reflectance factor measurements of contaminated snow
J. Peltoniemi, M. Gritsevich, T. Hakala, P. Dagsson-Waldhauserová +9 more
201571 citations Open access
Semantic Scholar
Influence of biogenic emissions from boreal forests on aerosol–cloud interactions
T. Petäja, K. Tabakova, A. Manninen, E. Ezhova +23 more
2021Nature Geoscience70 citations Open access
Semantic Scholar
Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes
M. Boy, E. Thomson, J. A. Acosta Navarro, Ó. Arnalds +59 more
2018Atmospheric Chemistry and Physics58 citations Open access
Semantic Scholar
On the mode-segregated aerosol particle number concentration load : contributions of primary and secondary particles in Hyytiälä and Nanjing
M. Kulmala, K. Luoma, A. Virkkula, T. Petäjä +7 more
201655 citations
Semantic Scholar
Spatiotemporal variation and trends in equivalent black carbon in the Helsinki metropolitan area in Finland
K. Luoma, J. Niemi, M. Aurela, P. Fung +8 more
2021Atmospheric Chemistry and Physics50 citations Open access
Semantic Scholar
Amines in Boreal Forest Air at SMEAR II Station in Finland
Marja Hemmilä, H. Hellén, A. Virkkula, U. Makkonen +5 more
201744 citations Open access
Semantic Scholar
Aerosol optical properties at SORPES in Nanjing, east China
Yicheng Shen, A. Virkkula, A. Ding, Jia-Ping Wang +11 more
201740 citations Open access
Semantic Scholar
Modeled source apportionment of black carbon particles coated with a light-scattering shell
A. Virkkula
2020Atmospheric Measurement Techniques38 citations Open access
Semantic Scholar
Primary sources control the variability of aerosol optical properties in the Antarctic Peninsula
E. Asmi, K. Neitola, K. Teinilä, E. Rodríguez +16 more
201837 citations Open access
Semantic Scholar
Photochemical Aging Induces Changes in the Effective Densities, Morphologies, and Optical Properties of Combustion Aerosol Particles
J. Leskinen, A. Hartikainen, S. Väätäinen, M. Ihalainen +11 more
2023Environmental Science and Technology34 citations Open access
Semantic Scholar
Light-absorption of dust and elemental carbon in snow in the Indian Himalayas and the Finnish Arctic
J. Svensson, J. Ström, N. Kivekäs, Nathaniel B. Dkhar +14 more
201834 citations Open access
Semantic Scholar
Over a 10-year record of aerosol optical properties at SMEAR II
K. Luoma, A. Virkkula, P. Aalto, T. Petäja +1 more
2019Atmospheric Chemistry and Physics33 citations Open access
Semantic Scholar
Differences in aerosol absorption Ångström exponents between correction algorithms for a particle soot absorption photometer measured on the South African Highveld
J. Backman, A. Virkkula, V. Vakkari, J. Beukes +8 more
201431 citations Open access
Semantic Scholar
On the annual variability of Antarctic aerosol size distributions at Halley Research Station
Tom Lachlan-Cope, D. Beddows, N. Brough, A. Jones +5 more
2019Atmospheric Chemistry and Physics29 citations Open access
Semantic Scholar
Estimating cloud condensation nuclei number concentrations using aerosol optical properties: role of particle number size distribution and parameterization
Yicheng Shen, A. Virkkula, A. Ding, K. Luoma +9 more
201928 citations Open access
Semantic Scholar
Absorption instruments inter-comparison campaign at the Arctic Pallas station
E. Asmi, J. Backman, H. Servomaa, A. Virkkula +6 more
2021Atmospheric Measurement Techniques27 citations Open access
Semantic Scholar
Semi-continuous gas and inorganic aerosol measurements at a boreal forest site
U. Makkonen, A. Virkkula, H. Hellén, Marja Hemmilä +9 more
201426 citations
Semantic Scholar
Contribution of brown carbon to light absorption in emissions of European residential biomass combustion appliances
S. Basnet, A. Hartikainen, A. Virkkula, P. Yli-Pirilä +12 more
2024Atmospheric Chemistry and Physics20 citations Open access
Semantic Scholar
Spatiotemporal variation and trends of equivalent black carbon in the Helsinki metropolitan area in Finland
K. Luoma, J. Niemi, A. Helin, M. Aurela +7 more
202019 citations Open access
Semantic Scholar
The Impacts of Emission Control and Regional Transport on PM2.5 Ions and Carbon Components in Nanjing during the 2014 Nanjing Youth Olympic Games
De-Rong Zhou, Bing Li, Xin Huang, A. Virkkula +11 more
2017Aerosol and Air Quality Research19 citations Open access
Semantic Scholar
Observations of aerosol optical properties at a coastal site in Hong Kong, South China
Jia-Ping Wang, A. Virkkula, Yuan Gao, Shun-Cheng Lee +9 more
201619 citations Open access
Semantic Scholar
Optical and chemical characterization of aerosols emitted from coal, heavy and light fuel oil, and small-scale wood combustion.
A. Frey, K. Saarnio, H. Lamberg, F. Mylläri +15 more
2014Environmental Science and Technology18 citations
Semantic Scholar
Soot-doped natural snow and its albedo - Results from field experiments
J. Svensson, A. Virkkula, O. Meinander, N. Kivekäs +14 more
201617 citations
Semantic Scholar
submitter : Features in air ions measured by an air ion spectrometer (AIS) at Dome C
Xue-Meng Chen, C. Lanconelli, P. Grigioni, Ella-Maria Duplissy +10 more
201716 citations Open access
Semantic Scholar
Overview: Recent advances in the understanding of the northern Eurasian environments and of the urban air quality in China – a Pan-Eurasian Experiment (PEEX) programme perspective
H. Lappalainen, T. Petäja, T. Vihma, J. Räisänen +69 more
2022Atmospheric Chemistry and Physics15 citations Open access
Semantic Scholar
Assessment of carbonaceous aerosols at Mukteshwar: A high-altitude (~2200 m amsl) background site in the foothills of the Central Himalayas.
R. Sheoran, U. Dumka, A. Hyvärinen, V. Sharma +4 more
2022Science of the Total Environment15 citations Open access
Semantic Scholar
Effects of different correction algorithms on absorption coefficient – a comparison of three optical absorption photometers at a boreal forest site
K. Luoma, A. Virkkula, P. Aalto, K. Lehtipalo +2 more
2021Atmospheric Measurement Techniques15 citations Open access
Semantic Scholar
Biomass burning smoke episodes in Finland from Eastern European wildfires
Katri Leino, L. Riuttanen, T. Nieminen, M. Dal Maso +9 more
201415 citations
Semantic Scholar
airborne measurements of aerosols and carbon dioxide during a prescribed fire experiment at a boreal forest site
A. Virkkula, T. Pohja, P. Aalto, P. Keronen +5 more
201414 citations
Semantic Scholar
Cantilever-enhanced photoacoustic measurement of light-absorbing aerosols
Juho Karhu, J. Kuula, A. Virkkula, H. Timonen +2 more
2021Aerosol Science and Technology13 citations Open access
Semantic Scholar
Characterizing winter-time brown carbon: Insights into chemical and light-absorption properties in residential and traffic environments.
Luis M. F. Barreira, M. Aurela, S. Saarikoski, De-Lun Li +8 more
2024Science of the Total Environment11 citations Open access
Semantic Scholar
On Aethalometer measurement uncertainties and multiple scatteringenhancement in the Arctic
J. Backman, L. Schmeisser, A. Virkkula, J. Ogren +8 more
201611 citations Open access
Semantic Scholar
Mobile ground-based measurements of aerosol and trace gases during a prescribed burning experiment in boreal forest in Finland
L. Pirjola, A. Virkkula, T. Petäjä, J. Levula +2 more
201511 citations
Semantic Scholar
The radiative impact of Nordic anthropogenic black carbon
A. Hienola, D. O'Donnell, J. Pietikäinen, J. Svensson +4 more
201610 citations Open access
Semantic Scholar
Penguin guano is an important source of climate-relevant aerosol particles in Antarctica
Matthew Boyer, L. Quéléver, Zoé Brasseur, Barry J. McManus +23 more
2025Communications Earth & Environment9 citations Open access
Semantic Scholar
Carbonaceous Aerosol in Polar Areas: First Results and Improvements of the Sampling Strategies
L. Caiazzo, G. Calzolai, S. Becagli, M. Severi +12 more
2021Atmosphere8 citations Open access
Semantic Scholar
Six-year observations of aerosol optical properties at a southern African grassland savannah site
Marcell Venter, J. Beukes, Pieter Gideon van Zyl, V. Vakkari +4 more
20208 citations
Semantic Scholar
Photochemical aging of aviation emissions: transformation of chemical and physical properties of exhaust emissions from a laboratory-scale jet engine combustion chamber
A. Hartikainen, M. Ihalainen, Deeksha Shukla, Marius Rohkamp +26 more
2025Atmospheric Chemistry and Physics7 citations Open access
Semantic Scholar

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