Ari Karppinen
Ari Karppinen
Docent, Head of Research, Finnish Meteorological Institute
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Extensive evaluation of neural network models for the prediction of NO2 and PM10 concentrations, compared with a deterministic modelling system and measurements in central Helsinki
J Kukkonen, L Partanen, A Karppinen, J Ruuskanen, H Junninen, ...
Atmospheric Environment 37 (32), 4539-4550, 2003
Evolving the neural network model for forecasting air pollution time series
H Niska, T Hiltunen, A Karppinen, J Ruuskanen, M Kolehmainen
Engineering Applications of Artificial Intelligence 17 (2), 159-167, 2004
Intercomparison of air quality data using principal component analysis, and forecasting of PM10 and PM2. 5 concentrations using artificial neural networks, in Thessaloniki and …
D Voukantsis, K Karatzas, J Kukkonen, T Räsänen, A Karppinen, ...
Science of the Total Environment 409 (7), 1266-1276, 2011
Retrieval of mixing height and dust concentration with lidar ceilometer
C Münkel, N Eresmaa, J Räsänen, A Karppinen
Boundary-layer meteorology 124, 117-128, 2007
Evaluation of a multiple regression model for the forecasting of the concentrations of NOx and PM10 in Athens and Helsinki
A Vlachogianni, P Kassomenos, A Karppinen, S Karakitsios, J Kukkonen
Science of the total environment 409 (8), 1559-1571, 2011
Mixing height determination by ceilometer
N Eresmaa, A Karppinen, SM Joffre, J Räsänen, H Talvitie
Atmospheric Chemistry and Physics 6 (6), 1485-1493, 2006
Chemical composition of aerosols during a major biomass burning episode over northern Europe in spring 2006: Experimental and modelling assessments
S Saarikoski, M Sillanpää, M Sofiev, H Timonen, K Saarnio, K Teinilä, ...
Atmospheric Environment 41 (17), 3577-3589, 2007
Integrated systems for forecasting urban meteorology, air pollution and population exposure
A Baklanov, O Hänninen, LH Slørdal, J Kukkonen, N Bjergene, B Fay, ...
Atmospheric Chemistry and Physics 7 (3), 855-874, 2007
A model for evaluating the population exposure to ambient air pollution in an urban area
A Kousa, J Kukkonen, A Karppinen, P Aarnio, T Koskentalo
Atmospheric Environment 36 (13), 2109-2119, 2002
Meteorological dependence of size-fractionated number concentrations of urban aerosol particles
T Hussein, A Karppinen, J Kukkonen, J Härkönen, PP Aalto, K Hämeri, ...
Atmospheric Environment 40 (8), 1427-1440, 2006
A modelling system for predicting urban air pollution: model description and applications in the Helsinki metropolitan area
A Karppinen, J Kukkonen, T Elolähde, M Konttinen, T Koskentalo, ...
Atmospheric Environment 34 (22), 3723-3733, 2000
Low-cost sensors for the measurement of atmospheric composition: overview of topic and future applications
A Lewis, WR Peltier, E von Schneidemesser
World Meteorological Organization (WMO), 2018
A modelling system for predicting urban air pollution:: comparison of model predictions with the data of an urban measurement network in helsinki
A Karppinen, J Kukkonen, T Elolähde, M Konttinen, T Koskentalo
Atmospheric Environment 34 (22), 3735-3743, 2000
A measurement campaign in a street canyon in Helsinki and comparison of results with predictions of the OSPM model
J Kukkonen, E Valkonen, J Walden, T Koskentalo, P Aarnio, A Karppinen, ...
Atmospheric environment 35 (2), 231-243, 2001
Investigating the surface energy balance in urban areas–recent advances and future needs
M Piringer, CSB Grimmond, SM Joffre, P Mestayer, DR Middleton, ...
Water, Air and Soil Pollution: Focus 2, 1-16, 2002
Measurements and modelling of PM2. 5 concentrations near a major road in Kuopio, Finland
P Tiitta, T Raunemaa, J Tissari, T Yli-Tuomi, A Leskinen, J Kukkonen, ...
Atmospheric Environment 36 (25), 4057-4068, 2002
The surface energy balance and the mixing height in urban areas—activities and recommendations of COST-Action 715
M Piringer, S Joffre, A Baklanov, A Christen, M Deserti, K De Ridder, ...
Boundary-layer meteorology 124, 3-24, 2007
A semi-empirical model for urban PM10 concentrations, and its evaluation against data from an urban measurement network
J Kukkonen, J Härkönen, A Karppinen, M Pohjola, H Pietarila, ...
Atmospheric Environment 35 (26), 4433-4442, 2001
The Spatial and Temporal Variation of Measured Urban PM10 and PM2.5 in the Helsinki Metropolitan Area
MA Pohjola, A Kousa, J Kukkonen, J Härkönen, A Karppinen, P Aarnio, ...
Water, Air and Soil Pollution: Focus 2, 189-201, 2002
Statistical model for assessing the portion of fine particulate matter transported regionally and long range to urban air
A Karppinen, J Härkönen, J Kukkonen, P Aarnio, T Koskentalo
Scandinavian Journal of Work, Environment & Health, 47-53, 2004
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