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Tommi Kokkonen · SciRah

Researcher profile · Semantic Scholar

Tommi Kokkonen

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Tommi Kokkonen — researcher profile on SciRah

h-index: 19
Works: 73
Citations: 1,053

Most-cited papers

Is reducing new particle formation a plausible solution to mitigate particulate air pollution in Beijing and other Chinese megacities?
M. Kulmala, L. Dada, K. Daellenbach, Chao Yan +40 more
2020Faraday discussions108 citations Open access
Semantic Scholar
Continuous and comprehensive atmospheric observations in Beijing: a station to understand the complex urban atmospheric environment
Yong-Chun Liu, Chao Yan, Zeming Feng, Fei-Xue Zheng +45 more
202092 citations Open access
Semantic Scholar
The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New‐Particle Formation in Beijing
Chao Yan, Rujing Yin, Yi-Qun Lu, L. Dada +59 more
2021Geophysical Research Letters78 citations Open access
Semantic Scholar
Variation of size-segregated particle number concentrations in wintertime Beijing
Ying Zhou, L. Dada, Yi-Liang Liu, Yueyun Fu +14 more
202075 citations Open access
Semantic Scholar
Size-segregated particle number and mass concentrations from different emission sources in urban Beijing
Jing Cai, B. Chu, L. Yao, Chao Yan +26 more
2020Atmospheric Chemistry and Physics65 citations Open access
Semantic Scholar
Size-resolved particle number emissions in Beijing determined from measured particle size distributions
J. Kontkanen, C. Deng, Yueyun Fu, L. Dada +13 more
2020Atmospheric Chemistry and Physics49 citations Open access
Semantic Scholar
Uncertainty of eddy covariance flux measurements over an urban area based on two towers
L. Järvi, Ü. Rannik, Tommi Kokkonen, Mona Kurppa +5 more
2018Atmospheric Measurement Techniques47 citations Open access
Semantic Scholar
A 3D study on the amplification of regional haze and particle growth by local emissions
Wei Du, L. Dada, Jian Zhao, Xue-Shun Chen +33 more
2021npj Climate and Atmospheric Science39 citations Open access
Semantic Scholar
One Instructional Sequence Fits all? A Conceptual Analysis of the Applicability of Concreteness Fading in Mathematics, Physics, Chemistry, and Biology Education
Tommi Kokkonen, L. Schalk
2020Educational Psychology Review34 citations Open access
Semantic Scholar
Sensitivity of Surface Urban Energy and Water Balance Scheme (SUEWS) to downscaling of reanalysis forcing data
Tommi Kokkonen, C. Grimmond, O. Raty, H. Ward +4 more
201734 citations Open access
Semantic Scholar
Aerosols, Clusters, Greenhouse Gases, Trace Gases and Boundary-Layer Dynamics: on Feedbacks and Interactions
M. Kulmala, Tommi Kokkonen, E. Ezhova, A. Baklanov +8 more
2023Boundary-layer Meteorology32 citations Open access
Semantic Scholar
Concreteness fading in learning secondary school physics concepts
Tommi Kokkonen, Andreas Lichtenberger, L. Schalk
2021Learning and Instruction32 citations Open access
Semantic Scholar
Opinion: Gigacity – a source of problems or the new way to sustainable development
M. Kulmala, Tommi Kokkonen, J. Pekkanen, Sami Paatero +3 more
2021Atmospheric Chemistry and Physics31 citations Open access
Semantic Scholar
Low-temperature catalytic oxidation of multi-walled carbon nanotubes
A. Leino, M. Mohl, Jarmo Kukkola, P. Mäki-Arvela +3 more
201325 citations
Semantic Scholar
Nanoparticle ranking analysis: determining new particle formation (NPF) event occurrence and intensity based on the concentration spectrum of formed (sub-5 nm) particles
D. Aliaga, Santeri Tuovinen, Tinghan Zhang, J. Lampilahti +10 more
2023Aerosol Research24 citations Open access
Semantic Scholar
The effect of COVID-19 restrictions on atmospheric new particle formation in Beijing
Chao Yan, Yicheng Shen, D. Stolzenburg, L. Dada +53 more
2022Atmospheric Chemistry and Physics24 citations Open access
Semantic Scholar
Concept Mapping in Magnetism and Electrostatics: Core Concepts and Development over Time
C. Thurn, Brigitte Hänger, Tommi Kokkonen
2020Education sciences24 citations Open access
Semantic Scholar
Rapid mass growth and enhanced light extinction of atmospheric aerosols during the heating season haze episodes in Beijing revealed by aerosol-chemistry-radiation-boundary layer interaction
Zhuo-Hui Lin, Yong-Hong Wang, Fei-Xue Zheng, Ying Zhou +24 more
2020Atmospheric Chemistry and Physics24 citations Open access
Semantic Scholar
A Method for Evaluating Coke Hot Strength
Juho Haapakangas, J. Uusitalo, O. Mattila, Tommi Kokkonen +2 more
201322 citations
Semantic Scholar
Cluster Analysis of Submicron Particle Number Size Distributions at the SORPES Station in the Yangtze River Delta of East China
Liang-Duo Chen, X. Qi, W. Nie, Jia-Ping Wang +13 more
2021Journal of Geophysical Research - Atmospheres18 citations Open access
Semantic Scholar
A Systemic view of the learning and differentiation of scientific concepts:The case of electric current and voltage revisited
I. Koponen, Tommi Kokkonen
201416 citations Open access
Semantic Scholar
The effect of urban morphological characteristics on the spatial variation of PM2.5 air quality in downtown Nanjing
Tommi Kokkonen, Yu-Ning Xie, P. Paasonen, Shahzad Gani +10 more
2021Environmental Science Atmospheres15 citations Open access
Semantic Scholar
Supplementary material to "Measurement Report: A Multi-Year Study on the Impacts of Chinese New Year Celebrations on Air Quality in Beijing, China"
Benjamin Foreback, L. Dada, K. Dällenbach, Chao Yan +24 more
202114 citations Open access
Semantic Scholar
Changes in University Students’ Explanation Models of DC Circuits
Tommi Kokkonen, T. Mäntylä
201814 citations
Semantic Scholar
Influence of Fly Ash and Ground Granulated Blast Furnace Slag on the Mechanical Properties and Reduction Behavior of Cold-Agglomerated Blast Furnace Briquettes
Mikko Mäkelä, Timo S. Paananen, J. Heino, Tommi Kokkonen +3 more
201214 citations Open access
Semantic Scholar
Employing a step-wise titration method under semi-slow reaction regime for evaluating the reactivity of limestone and dolomite in acidic environment
C. De Blasio, C. Carletti, Andreas Lundell, Ville-Valtteri Visuri +4 more
201613 citations Open access
Semantic Scholar
Preliminary Evaluation of Fly Ash and Lime for Use as Supplementary Cementing Materials in Cold-Agglomerated Blast Furnace Briquetting
Mikko Mäkelä, Timo S. Paananen, Tommi Kokkonen, H. Makkonen +2 more
201113 citations Open access
Semantic Scholar
Measurement report: The 4-year variability and influence of the Winter Olympics and other special events on air quality in urban Beijing during wintertime
Yishuo Guo, C. Deng, Aino Ovaska, Fei-Xue Zheng +20 more
2023Atmospheric Chemistry and Physics12 citations Open access
Semantic Scholar
Simulation of the radiative effect of haze on the urban hydrological cycle using reanalysis data in Beijing
Tommi Kokkonen, Sue Grimmond, Sonja Murto, Hui-Zhi Liu +2 more
2019Atmospheric Chemistry and Physics11 citations Open access
Semantic Scholar
Opinion: The strength of long-term comprehensive observations to meet multiple grand challenges in different environments and in the atmosphere
M. Kulmala, A. Lintunen, H. Lappalainen, A. Virtanen +15 more
2023Atmospheric Chemistry and Physics8 citations Open access
Semantic Scholar
Textural changes in metallurgical coke prepared with polyethylene
Stanislav S. Gornostayev, J. Heino, Tommi Kokkonen, H. Makkonen +2 more
2014International Journal of Minerals, Metallurgy, and Materials7 citations
Semantic Scholar
Variation of size-segregated particle number concentrations in winter Beijing
Ying Zhou, L. Dada, Yi-Liang Liu, Yueyun Fu +14 more
20196 citations Open access
Semantic Scholar
Models as Relational Categories
Tommi Kokkonen
20176 citations Open access
Semantic Scholar
Modelling sociocognitive aspects of students’ learning
I. Koponen, Tommi Kokkonen, M. Nousiainen
20175 citations
Semantic Scholar
Genres as Real Kinds and Projections: Homeostatic Property Clusters in Folklore and Art
Inkeri Koskinen, Tommi Kokkonen
20165 citations
Semantic Scholar
Nano Ranking Analysis: determining NPF event occurrence and intensity based on the concentration spectrum of formed (sub-5 nm) particles
D. Aliaga, Santeri Tuovinen, Ting-Han Zhang, J. Lampilahti +10 more
20234 citations
Semantic Scholar
Dynamic systems view of learning a three-tiered theory in physics: robust learning outcomes as attractors
I. Koponen, Tommi Kokkonen, M. Nousiainen
2016Complex4 citations
Semantic Scholar
Concepts and Concept Learning in Physics : The systemic view
Tommi Kokkonen
20173 citations
Semantic Scholar
CONCEPTS AND CONCEPT LEARNING IN PHYSICS
Tommi Kokkonen
20173 citations
Semantic Scholar
Reduction characteristics of Kiviniemi ferrous scandium concentrate
R. Kallio, P. Tanskanen, E. Heikkinen, Tommi Kokkonen +2 more
2022Minerals Engineering2 citations Open access
Semantic Scholar
‘Forced to think’—an analysis of how students benefit from online warm-up exercises with feedback
Kimmo Kulmala, Tommi Kokkonen, I. Kontro
2021The Physical Educator2 citations
Semantic Scholar
Preparation of Mono‐, Di‐ and Hemicalcium Ferrite Phases via Melt for Reduction Kinetics Investigations
Timo S. Paananen, E. Heikkinen, Tommi Kokkonen, K. Kinnunen
20092 citations
Semantic Scholar
BIOLOGICAL NOTIONS OF INNATENESS AND EXPLANATION OF LANGUAGE ACQUISITION
Mika Kiikeri, Tommi Kokkonen
20072 citations
Semantic Scholar
Slag Modification in Reduction of Kiviniemi Ferrous Scandium Concentrates
R. Kallio, P. Tanskanen, E. Heikkinen, Tommi Kokkonen +2 more
2022Metals1 citations Open access
Semantic Scholar
The effect of COVID-19 restrictions of human activities on atmospheric chemical cocktail, new particle formation and air quality in in Eastern and Northern China
M. Kulmala, Chao Yan, L. Dada, F. Bianchi +2 more
20211 citations Open access
Semantic Scholar
Size segregated particle number and mass emissions in urban Beijing
Jing Cai, B. Chu, L. Yao, Chao Yan +26 more
20201 citations Open access
Semantic Scholar
Protomoral Machines: The Evolution of Morality as a Guideline for Robot Ethics
Tommi Kokkonen
2020Robophilosophy1 citations
Semantic Scholar
Complex Dynamic Systems View on Conceptual Change
I. Koponen, Tommi Kokkonen, M. Nousiainen
20171 citations
Semantic Scholar
Complex Dynamic Systems View on Conceptual Change: How a Picture of Students' Intuitive Conceptions Accrue from Dynamically Robust Task Dependent Learning Outcomes.
I. Koponen, Tommi Kokkonen, M. Nousiainen
20171 citations Open access
Semantic Scholar
Changes in University Students’ Explanation Models of DC Circuits
Tommi Kokkonen, T. Mäntylä
2017Research in Science Education1 citations
Semantic Scholar

Frequent co-authors

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M. Kulmala×20
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M. Kulmala — researcher profile on SciRah
V. Kerminen×19
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V. Kerminen — researcher profile on SciRah
Chao Yan×15
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Chao Yan — researcher profile on SciRah
L. Dada×13
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×13

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Yong-Chun Liu×13

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P. Paasonen×12

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Ying Zhou — researcher profile on SciRah

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B. Chu — researcher profile on SciRah

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T. Chan — researcher profile on SciRah

J. Kangasluoma×10

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K. Daellenbach×9

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K. Daellenbach — researcher profile on SciRah