2026 Jorma Keskinen: Engineering and Technology Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Engineering and Technology	60	2257	2157	10	10	256	10307
Environmental Sciences	61	2816	2691	43	43	261	11106

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Engineering and Technology

2257

2157

256

10307

Environmental Sciences

2816

2691

261

11106

Engineering and Technology

D-Index

Citations

10307

World Ranking

2257

National Ranking

Environmental Sciences

D-Index

Citations

11106

World Ranking

2816

National Ranking

Research.com Recognitions

2026 - Research.com Engineering and Technology in Finland Leader Award

Overview

Jorma Keskinen is affiliated with Tampere University in Finland and has contributed extensively to multiple fields including Environmental Science, Engineering, and Earth and Planetary Sciences. Their research addresses areas such as Atmospheric Science, Health, Toxicology and Mutagenesis, Automotive Engineering, Environmental Engineering, and Global and Planetary Change.

The main topics covered in Keskinen's work include:

Air Quality and Health Impacts
Vehicle emissions and performance
Atmospheric chemistry and aerosols
Air Quality Monitoring and Forecasting
Maritime Transport Emissions and Efficiency
Atmospheric aerosols and clouds
Laser-induced spectroscopy and plasma

Frequent publication venues for Keskinen's research include:

Atmospheric chemistry and physics
Aerosol Science and Technology
Environmental Pollution
Atmospheric Environment X
Zenodo (CERN European Organization for Nuclear Research)

Key recent papers authored or co-authored by Keskinen are:

"The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests" (2021, Atmospheric chemistry and physics)
"Shipping Remains a Globally Significant Source of Anthropogenic PN Emissions Even after 2020 Sulfur Regulation" (2020, Environmental Science & Technology)
"Particulate emissions of a modern diesel passenger car under laboratory and real-world transient driving conditions" (2020, Environmental Pollution)
"The characteristics and size of lung-depositing particles vary significantly between high and low pollution traffic environments" (2021, Atmospheric Environment)
"Physical Characteristics of Particle Emissions from a Medium Speed Ship Engine Fueled with Natural Gas and Low-Sulfur Liquid Fuels" (2020, Environmental Science & Technology)

Among frequent collaborators, Keskinen has co-authored multiple publications with:

Panu Karjalainen
Topi Rönkkö
Hilkka Timonen
Paavo Heikkilä
Pauli Simonen

Best Publications

Electrical low pressure impactor

J. Keskinen;K. Pietarinen;M. Lehtimäki

789
Citations
PERFORMANCE EVALUATION OF THE ELECTRICAL LOW-PRESSURE IMPACTOR (ELPI)

Marko Marjamäki;Jorma Keskinen;Da Ren Chen;David Y.H. Pui

494
Citations
Traffic is a major source of atmospheric nanocluster aerosol

Topi Rönkkö;Heino Kuuluvainen;Panu Karjalainen;Jorma Keskinen

288
Citations
Nucleation mode particles with a nonvolatile core in the exhaust of a heavy duty diesel vehicle.

Topi Rönkko;Annele Virtanen;Jonna Kannosto;Jorma Keskinen

273
Citations
Effect of dilution conditions and driving parameters on nucleation mode particles in diesel exhaust : Laboratory and on-road study

Topi Rönkkö;Annele Virtanen;Kati Vaaraslahti;Jorma Keskinen

232
Citations
Nucleation Mode Formation in Heavy-Duty Diesel Exhaust with and without a Particulate Filter

Kati Vaaraslahti;Annele Virtanen;Jyrki Ristimäki;Jorma Keskinen

224
Citations
Exhaust particles of modern gasoline vehicles: A laboratory and an on-road study

Panu Karjalainen;Liisa Pirjola;Juha Heikkilä;Tero Lähde

217
Citations
“Sniffer”—a novel tool for chasing vehicles and measuring traffic pollutants

L. Pirjola;H. Parviainen;T. Hussein;T. Hussein;A. Valli

214
Citations
Calibration of the new electrical low pressure impactor (ELPI

A. Järvinen;M. Aitomaa;A. Rostedt;J. Keskinen

208
Citations
Real Time Measurements of Diesel Particle Size Distribution with an Electrical Low Pressure Impactor

Peter Ahlvik;Leonidas Ntziachristos;Jorma Keskinen;Annele Virtanen

167
Citations
Characteristics of the liquid flame spray process

Juha Tikkanen;Karlis A. Gross;C. C. Berndt;V. Pitkanen

158
Citations
Dispersion of particles and trace gases nearby a city highway: Mobile laboratory measurements in Finland

L. Pirjola;P. Paasonen;D. Pfeiffer;T. Hussein

157
Citations
Effect of Lubricant on the Formation of Heavy-Duty Diesel Exhaust Nanoparticles

Kati Vaaraslahti;Jorma Keskinen;Barouch Giechaskiel;Anu Solla

146
Citations
Spatial and temporal characterization of traffic emissions in urban microenvironments with a mobile laboratory

L. Pirjola;L. Pirjola;T. Lähde;J.V. Niemi;A. Kousa

142
Citations
Sampling Conditions for the Measurement of Nucleation Mode Particles in the Exhaust of a Diesel Vehicle

Urs Mathis;Jyrki Ristimäki;Martin Mohr;Jorma Keskinen

142
Citations
On-line measurement of size distribution and effective density of submicron aerosol particles

Jyrki Ristimäki;Annele Virtanen;Marko Marjamäki;Antti Rostedt

141
Citations
EFFECT OF ENGINE LOAD ON DIESEL SOOT PARTICLES

Annele K K Virtanen;Jyrki M Ristimäki;Kati M Vaaraslahti;Jorma Keskinen

134
Citations
Fine particle losses in electrical low-pressure impactor

Annele Virtanen;Marko Marjamäki;Jyrki Ristimäki;Jorma Keskinen

132
Citations
Generation of metal and metal oxide nanoparticles by liquid flame spray process

J. M. Mäkelä;H. Keskinen;T. Forsblom;J. Keskinen

130
Citations
The formation and physical properties of the particle emissions from a natural gas engine

Jenni Alanen;Erkka Saukko;Kati Lehtoranta;Timo Murtonen

123
Citations
Bounce behavior of freshly nucleated biogenic secondary organic aerosol particles

A. Virtanen;J. Kannosto;H. Kuuluvainen;A. Arffman

117
Citations