Explanipedia

On-line field measurements of BVOC emissions from Norway spruce (Picea abies) at the hemiboreal SMEAR-Estonia site under autumn conditions Open

Efstratios Bourtsoukidis, Boris Bonn, Steffen M. Noe · 2024

We investigated biogenic volatile organic compound (BVOC) emissions from a Norway spruce (Picea abies) in a hemiboreal mixed forest in autumn. Measurements were performed at the SMEAR-Estonia forest station, using PTR-MS techniques and a d…

Seasonal variations of trace gases, meteorological parameters, and formation of aerosols in boreal forests Open

Y. S. Lyubovtseva, Larisa Sogacheva, Miikka Dal Maso, Boris Bonn, P. Keronen , et al. · 2024

The data from observations made in the Hyytiälä background station over the period 1997–2003 were analyzed in order to investigate the possible links between physical, chemical and meteorological parameters for event and nonevent days duri…

Expected Impacts of Mixing European Beech with Silver Fir on Regional Air Quality and Radiation Balance Open

Boris Bonn, Jürgen Kreuzwieser, Ruth-Kristina Magh, Heinz Rennenberg, Dirk Schindler , et al. · 2020

The anticipated climate change during the next decades is posing crucial challenges to ecosystems. In order to decrease the vulnerability of forests, introducing tree species’ mixtures are a viable strategy, with deep-rooting native Silver…

Terpenoids are transported in the xylem sap of Norway spruce Open

Qiuxiao Duan, Boris Bonn, Jürgen Kreuzwieser · 2020

Norway spruce is a conifer storing large amounts of terpenoids in resin ducts of various tissues. Parts of the terpenoids stored in needles can be emitted together with de novo synthesized terpenoids. Since previous studies provided hints …

Terpenoids are transported in the xylem sap of Norway spruce Open

Qiuxiao Duan, Boris Bonn, Juergen Kreuzwieser · 2020

Norway spruce is a conifer storing large amounts of terpenoids in resin ducts of various tissues. Parts of the terpenoids stored in needles can be emitted together with de novo synthesized terpenoids. Since previous studies provided hints …

Biogenic isoprenoid emissions under drought stress: different responses for isoprene and terpenes Open

Boris Bonn, Ruth-Kristina Magh, Joseph Rombach, Jürgen Kreuzwieser · 2019

Emissions of volatile organic compounds (VOCs) by biogenic sources depend on different environmental conditions. Besides temperature and photosynthetic active radiation (PAR), the available soil water can be a major factor controlling the …

Drought Superimposes the Positive Effect of Silver Fir on Water Relations of European Beech in Mature Forest Stands Open

Ruth-Kristina Magh, Boris Bonn, Rüdiger Grote, Tim Burzlaff, Sebastian Pfautsch , et al. · 2019

Research Highlights: Investigations of evapotranspiration in a mature mixed beech-fir forest stand do not indicate higher resilience towards intensified drying-wetting cycles as compared with pure beech stands. Background and Objectives: F…

Final response to comments of reviewer #2 Open

Boris Bonn · 2019

Final response to comments of reviewer #1 Open

Boris Bonn · 2019

Thanks for the nice review and the questions raised.Since the details about the investigation conducted at the plant nursery in Freiburg in 2018 were rather scarce, we will add the following information to the present manuscript in line 17…

Air pollution at human scales in an urban environment: Impact of local environment and vehicles on particle number concentrations Open

Erika von Schneidemesser, Kristina Steinmar, Elizabeth C. Weatherhead, Boris Bonn, Holger Gerwig , et al. · 2019

Air pollution is a global challenge causing millions of premature deaths annually. This is limited not only to developing, but also developed nations, with cities in particular struggling to meet air quality limit values to adequately prot…

Supplementary material to "Biogenic isoprenoid emissions under drought stress: Different responses for isoprene and terpenes" Open

Boris Bonn, Ruth-Kristina Magh, Joseph Rombach, Jürgen Kreuzwieser · 2019

SM( MT, growth fit) = exp(-exp(0.0441•exp(1)•(-5.0-SWA%)+1)) SM( SQT, hydr.fit) = 0.22+0.78•SWA%•1.6/(81+SWA%)SM( MT, hydr.fit) = 0.22+0.78•SWA%•1.333/(45+SWA%)

Biogenic isoprenoid emissions under drought stress: Different responses for isoprene and terpenes Open

Boris Bonn, Ruth-Kristina Magh, Joseph Rombach, Jürgen Kreuzwieser · 2019

Emissions of volatile organic compounds (VOCs) by biogenic sources depend on different environmental conditions. Besides temperature and photosynthetic active radiation (PAR), the available soil water can be a major factor, controlling the…

BAERLIN2014 – stationary measurements and source apportionment at an urban background station in Berlin, Germany Open

Erika von Schneidemesser, Boris Bonn, Tim Butler, Christian Ehlers, Holger Gerwig , et al. · 2018

The “Berlin Air quality and Ecosystem Research: Local and long-range Impact of anthropogenic and Natural hydrocarbons” (BAERLIN2014) campaign was conducted during the 3 summer months (June–August) of 2014. During this measurement campaign,…

Monoterpene chemical speciation in a tropical rainforest:variation with season, height, and time of dayat the Amazon Tall Tower Observatory (ATTO) Open

Ana María Yáñez‐Serrano, A. C. Nölscher, Efstratios Bourtsoukidis, Eliane Gomes Alves, L. Ganzeveld , et al. · 2018

Speciated monoterpene measurements in rainforest air are scarce, but they are essential for understanding the contribution of these compounds to the overall reactivity of volatile organic compound (VOC) emissions towards the main atmospher…

BAERLIN2014 – stationary measurements and source apportionment at an urban background station in Berlin, Germany Open

Erika von Schneidemesser, Boris Bonn, Tim Butler, Christian Ehlers, Holger Gerwig , et al. · 2017

The Berlin Air quality and Ecosystem Research: Local and long-range Impact of anthropogenic and Natural hydrocarbons (BAERLIN2014) campaign was conducted during the three summer months (June–August) of 2014. During this measurement campaig…

Supplementary material to "BAERLIN2014 – stationary measurements and source apportionment at an urban background station in Berlin, Germany" Open

Erika von Schneidemesser, Boris Bonn, Tim Butler, Christian Ehlers, Holger Gerwig , et al. · 2017

As stated in the main text of the paper, to be able to make reasonable comparisons with previous work regarding the contribution of different compound classes to the measured mixing ratios of NMVOCs, as well as the OH reactivity attributed…

The Uncertain Role of Biogenic VOC for Boundary-Layer Ozone Concentration: Example Investigation of Emissions from Two Forest Types with a Box Model Open

Boris Bonn, Jürgen Kreuzwieser, Felicitas Sander, Rasoul Yousefpour, Tommaso Baggio , et al. · 2017

High levels of air pollution including ground level ozone significantly reduce humans’ life expectancy and cause forest damage and decreased tree growth. The French Vosges and the German Black Forest are regions well-known for having the h…

Monoterpene chemical speciation in the Amazon tropical rainforest: variation with season, height, and time of day at the Amazon Tall Tower Observatory (ATTO) Open

Ana María Yáñez‐Serrano, A. C. Nölscher, Efstratios Bourtsoukidis, Eliane Gomes Alves, L. Ganzeveld , et al. · 2017

Speciated monoterpene measurements in the Amazon rainforest air are scarce, but important in order to understand their contribution to the overall reactivity of volatile organic compound (VOCs) emissions towards the main atmospheric oxidan…

Mixing layer height as an indicator for urban air quality? Open

Alexander Geiß, Matthias Wiegner, Boris Bonn, Klaus Schäfer, Renate Forkel , et al. · 2017

The mixing layer height (MLH) is a measure for the vertical turbulent exchange within the boundary layer, which is one of the controlling factors for the dilution of pollutants emitted near the ground. Based on continuous MLH measurements …

Effect of VOC Emissions from Vegetation on Air Quality in Berlin during a Heatwave Open

Galina Churkina, Friderike Kuik, Boris Bonn, Axel Lauer, Rüdiger Grote , et al. · 2017

The potential of emissions from urban vegetation combined with anthropogenic emissions to produce ozone and particulate matter has long been recognized. This potential increases with rising temperatures and may lead to severe problems with…

Mixing layer height as an indicator for urban air quality? Open

Alexander Geiß, Matthias Wiegner, Boris Bonn, Klaus Schäfer, Renate Forkel , et al. · 2017

The mixing layer height (MLH) is a measure for the vertical turbulent exchange within the boundary layer, which is one of the controlling factors for the dilution of pollutants emitted near the ground. Based on continuous MLH measurements …

Mixing layer heights derived from ceilometers: Useful for air quality studies? Open

Matthias Wiegner, Alexander Geiß, Klaus Schäfer, Renate Forkel, Ka Lok Chan , et al. · 2017

Ceilometers have been used for several meteorological applications, often in the framework of air qualitystudies. Whereas the particle backscatter coefficient can be retrieved in a quantitative way only recently (withthe improvements of th…

BAERLIN2014 – the influence of land surface types on and the horizontal heterogeneity of air pollutant levels in Berlin Open

Boris Bonn, Erika von Schneidemesser, Dorota Andrich, Jörn Quedenau, Holger Gerwig , et al. · 2016

Urban air quality and human health are among the key aspects of future urban planning. In order to address pollutants such as ozone and particulate matter, efforts need to be made to quantify and reduce their concentrations. One important …

Effect of VOC emissions from vegetation on urban air quality during hot periods Open

Galina Churkina, Friderike Kuik, Boris Bonn, Axel Lauer, R. Grote , et al. · 2016

Programs to plant millions of trees in cities around the world aim at the reduction of summer temperatures,increase of carbon storage, storm water control, and recreational space, as well as at poverty alleviation. Theseurban greening prog…

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