Heidi Hellen
Heidi Hellen
Senior Research Scientist, Finnish Meteorological Institute
Verified email at fmi.fi
Cited by
Cited by
Seasonal variation of VOC concentrations above a boreal coniferous forest
H Hakola, V Tarvainen, T Laurila, V Hiltunen, H HellÚn, P Keronen
Atmospheric Environment 37 (12), 1623-1634, 2003
Temperature and light dependence of the VOC emissions of Scots pine
V Tarvainen, H Hakola, H HellÚn, J Bńck, P Hari, M Kulmala
Atmospheric Chemistry and Physics 5 (4), 989-998, 2005
Sulphuric acid closure and contribution to nucleation mode particle growth
M Boy, M Kulmala, TM Ruuskanen, M Pihlatie, A Reissell, PP Aalto, ...
Atmospheric Chemistry and Physics 5 (4), 863-878, 2005
Variation of the VOC emission rates of birch species during the growing season
H Hakola, T Laurila, V Lindfors, H HellÚn, A Gaman, J Rinne
Boreal Environment Research 6 (3), 237-249, 2001
Hydrocarbon fluxes above a Scots pine forest canopy: measurements and modeling
J Rinne, R Taipale, T Markkanen, TM Ruuskanen, H HellÚn, MK Kajos, ...
Atmospheric Chemistry and Physics 7 (12), 3361-3372, 2007
C2-C10 hydrocarbon emissions from a boreal wetland and forest floor
H HellÚn, H Hakola, KH Pystynen, J Rinne, S Haapanala
Biogeosciences 3 (2), 167-174, 2006
Secondary organic aerosol formation from gasoline passenger vehicle emissions investigated in a smog chamber
EZ Nordin, AC Eriksson, P Roldin, PT Nilsson, JE Carlsson, MK Kajos, ...
Atmos. Chem. Phys. Discuss 12, 31725-31765, 2012
Boreal pine forest floor biogenic volatile organic compound emissions peak in early summer and autumn
H Aaltonen, J Pumpanen, M Pihlatie, H Hakola, H HellÚn, L Kulmala, ...
Agricultural and Forest Meteorology 151 (6), 682-691, 2011
In situ measurements of volatile organic compounds in a boreal forest
H Hakola, H HellÚn, M Hemmilń, J Rinne, M Kulmala
Atmospheric Chemistry and Physics 12 (23), 11665-11678, 2012
Size distribution and chemical composition of airborne particles in south-eastern Finland during different seasons and wildfire episodes in 2006
U Makkonen, H HellÚn, P Anttila, M Ferm
Science of the Total Environment 408 (3), 644-651, 2010
Influence of residential wood combustion on local air quality
H HellÚn, H Hakola, S Haaparanta, H Pietarila, M Kauhaniemi
Science of the total environment 393 (2-3), 283-290, 2008
OH reactivity measurements within a boreal forest: evidence for unknown reactive emissions
V Sinha, J Williams, J Lelieveld, TM Ruuskanen, MK Kajos, J Patokoski, ...
Environmental science & technology 44 (17), 6614-6620, 2010
Variable emissions of microbial volatile organic compounds (MVOCs) from root-associated fungi isolated from Scots pine
J Bńck, H Aaltonen, H HellÚn, MK Kajos, J Patokoski, R Taipale, ...
Atmospheric Environment 44 (30), 3651-3659, 2010
Determination of source contributions of NMHCs in Helsinki (60 N, 25 E) using chemical mass balance and the Unmix multivariate receptor models
H HellÚn, H Hakola, T Laurila
Atmospheric Environment 37 (11), 1413-1424, 2003
Carbonyl compounds in boreal coniferous forest air in Hyytińlń, Southern Finland
H HellÚn, H Hakola, A Reissell, TM Ruuskanen
Atmospheric chemistry and physics 4 (7), 1771-1780, 2004
Aromatic hydrocarbon and methyl tert-butyl ether measurements in ambient air of Helsinki (Finland) using diffusive samplers
H HellÚn, H Hakola, T Laurila, V Hiltunen, T Koskentalo
Science of the total environment 298 (1-3), 55-64, 2002
Ambient air concentrations, source profiles, and source apportionment of 71 different C2− C10 volatile organic compounds in urban and residential areas of Finland
H Hellen, H Hakola, L Pirjola, T Laurila, KH Pystynen
Environmental science & technology 40 (1), 103-108, 2006
Towards a comprehensive emission inventory of terpenoids from boreal ecosystems
V Tarvainen, H Hakola, J Rinne, H HellÓN, S Haapanala
Tellus B: Chemical and Physical Meteorology 59 (3), 526-534, 2007
Importance of monoterpenes and isoprene in urban air in northern Europe
H HellÚn, T Tykkń, H Hakola
Atmospheric Environment 59, 59-66, 2012
Background concentrations and source apportionment of polycyclic aromatic hydrocarbons in south-eastern Finland
M Vestenius, S Leppńnen, P Anttila, K Kyll÷nen, J Hatakka, H HellÚn, ...
Atmospheric Environment 45 (20), 3391-3399, 2011
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