Articles | Volume 19, issue 23 
            
                
                    
            
            
            https://doi.org/10.5194/acp-19-14431-2019
                    © Author(s) 2019. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-14431-2019
                    © Author(s) 2019. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
Long-term total OH reactivity measurements in a boreal forest
                                            Atmospheric Composition Research, Finnish Meteorological Institute, P. O. Box 503, 00101 Helsinki, Finland
                                        
                                    Toni Tykkä
                                            Atmospheric Composition Research, Finnish Meteorological Institute, P. O. Box 503, 00101 Helsinki, Finland
                                        
                                    Dean Chen
                                            Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, P. O. Box 64, 00014 University of Helsinki, Helsinki, Finland
                                        
                                    Michael Boy
                                            Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, P. O. Box 64, 00014 University of Helsinki, Helsinki, Finland
                                        
                                    Ditte Taipale
                                            Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, P. O. Box 64, 00014 University of Helsinki, Helsinki, Finland
                                        
                                    Ville Vakkari
                                            Atmospheric Composition Research, Finnish Meteorological Institute, P. O. Box 503, 00101 Helsinki, Finland
                                        
                                    
                                            Unit for Environmental Sciences and Management, North-West University, 2520 Potchefstroom, South Africa
                                        
                                    Putian Zhou
                                            Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, P. O. Box 64, 00014 University of Helsinki, Helsinki, Finland
                                        
                                    Tuukka Petäjä
                                            Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, P. O. Box 64, 00014 University of Helsinki, Helsinki, Finland
                                        
                                    Heidi Hellén
                                            Atmospheric Composition Research, Finnish Meteorological Institute, P. O. Box 503, 00101 Helsinki, Finland
                                        
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                            Cited
19 citations as recorded by crossref.
- Modelling the influence of biotic plant stress on atmospheric aerosol particle processes throughout a growing season D. Taipale et al. 10.5194/acp-21-17389-2021
- Influence of Organized Turbulence on OH Reactivity at a Deciduous Forest O. Clifton et al. 10.1029/2022GL102548
- Variability of hydroxyl radical (OH) reactivity in the Landes maritime pine forest: results from the LANDEX campaign 2017 S. Bsaibes et al. 10.5194/acp-20-1277-2020
- Tropical and Boreal Forest – Atmosphere Interactions: A Review P. Artaxo et al. 10.16993/tellusb.34
- Optimisation of a thermal desorption–gas chromatography–mass spectrometry method for the analysis of monoterpenes, sesquiterpenes and diterpenes A. Helin et al. 10.5194/amt-13-3543-2020
- A modelling study of OH, NO3 and H2SO4 in 2007–2018 at SMEAR II, Finland: analysis of long-term trends D. Chen et al. 10.1039/D1EA00020A
- The improved comparative reactivity method (ICRM): measurements of OH reactivity under high-NOx conditions in ambient air W. Wang et al. 10.5194/amt-14-2285-2021
- Litter of mediterranean species as a source of volatile organic compounds V. J et al. 10.1016/j.atmosenv.2020.117815
- Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016 D. Sanchez et al. 10.5194/acp-21-6331-2021
- Atmospheric biogenic volatile organic compounds in the Alaskan Arctic tundra: constraints from measurements at Toolik Field Station V. Selimovic et al. 10.5194/acp-22-14037-2022
- Characteristics and source apportionment of ambient volatile organic compounds and ozone generation sensitivity in urban Jiaozuo, China P. Li et al. 10.1016/j.jes.2023.04.016
- Positive feedback mechanism between biogenic volatile organic compounds and the methane lifetime in future climates M. Boy et al. 10.1038/s41612-022-00292-0
- The importance of sesquiterpene oxidation products for secondary organic aerosol formation in a springtime hemiboreal forest L. Barreira et al. 10.5194/acp-21-11781-2021
- OH reactivity from the emissions of different tree species: investigating the missing reactivity in a boreal forest A. Praplan et al. 10.5194/bg-17-4681-2020
- A large role of missing volatile organic compound reactivity from anthropogenic emissions in ozone pollution regulation W. Wang et al. 10.5194/acp-24-4017-2024
- Sesquiterpenes and oxygenated sesquiterpenes dominate the VOC (C5–C20) emissions of downy birches H. Hellén et al. 10.5194/acp-21-8045-2021
- Total OH Reactivity Measurements in a Suburban Site of Shanghai G. Yang et al. 10.1029/2021JD035981
- Budgets of Organic Carbon Composition and Oxidation in Indoor Air D. Price et al. 10.1021/acs.est.9b04689
- Long-term measurements of volatile organic compounds highlight the importance of sesquiterpenes for the atmospheric chemistry of a boreal forest H. Hellén et al. 10.5194/acp-18-13839-2018
17 citations as recorded by crossref.
- Modelling the influence of biotic plant stress on atmospheric aerosol particle processes throughout a growing season D. Taipale et al. 10.5194/acp-21-17389-2021
- Influence of Organized Turbulence on OH Reactivity at a Deciduous Forest O. Clifton et al. 10.1029/2022GL102548
- Variability of hydroxyl radical (OH) reactivity in the Landes maritime pine forest: results from the LANDEX campaign 2017 S. Bsaibes et al. 10.5194/acp-20-1277-2020
- Tropical and Boreal Forest – Atmosphere Interactions: A Review P. Artaxo et al. 10.16993/tellusb.34
- Optimisation of a thermal desorption–gas chromatography–mass spectrometry method for the analysis of monoterpenes, sesquiterpenes and diterpenes A. Helin et al. 10.5194/amt-13-3543-2020
- A modelling study of OH, NO3 and H2SO4 in 2007–2018 at SMEAR II, Finland: analysis of long-term trends D. Chen et al. 10.1039/D1EA00020A
- The improved comparative reactivity method (ICRM): measurements of OH reactivity under high-NOx conditions in ambient air W. Wang et al. 10.5194/amt-14-2285-2021
- Litter of mediterranean species as a source of volatile organic compounds V. J et al. 10.1016/j.atmosenv.2020.117815
- Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016 D. Sanchez et al. 10.5194/acp-21-6331-2021
- Atmospheric biogenic volatile organic compounds in the Alaskan Arctic tundra: constraints from measurements at Toolik Field Station V. Selimovic et al. 10.5194/acp-22-14037-2022
- Characteristics and source apportionment of ambient volatile organic compounds and ozone generation sensitivity in urban Jiaozuo, China P. Li et al. 10.1016/j.jes.2023.04.016
- Positive feedback mechanism between biogenic volatile organic compounds and the methane lifetime in future climates M. Boy et al. 10.1038/s41612-022-00292-0
- The importance of sesquiterpene oxidation products for secondary organic aerosol formation in a springtime hemiboreal forest L. Barreira et al. 10.5194/acp-21-11781-2021
- OH reactivity from the emissions of different tree species: investigating the missing reactivity in a boreal forest A. Praplan et al. 10.5194/bg-17-4681-2020
- A large role of missing volatile organic compound reactivity from anthropogenic emissions in ozone pollution regulation W. Wang et al. 10.5194/acp-24-4017-2024
- Sesquiterpenes and oxygenated sesquiterpenes dominate the VOC (C5–C20) emissions of downy birches H. Hellén et al. 10.5194/acp-21-8045-2021
- Total OH Reactivity Measurements in a Suburban Site of Shanghai G. Yang et al. 10.1029/2021JD035981
2 citations as recorded by crossref.
Latest update: 31 Oct 2025
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Short summary
                    Our study shows that, despite our best efforts and recent progress, our knowledge of the chemical composition of the air under the canopy of a boreal forest still cannot be fully characterized. The discrepancy between the measured total reactivity of the air and the reactivity derived from the known chemical composition highlights the need to better understand the emissions from vegetation, but also other sources, such as the forest soil.
                    Our study shows that, despite our best efforts and recent progress, our knowledge of the...
                    
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