Search Results - "Bonn, Boris"

Boreal forests, aerosols and the impacts on clouds and climate by Spracklen, Dominick V, Bonn, Boris, Carslaw, Kenneth S

“…). Using a simple radiative model, we estimate that the resulting change in cloud albedo causes a radiative forcing of between −1.8 and −6.7 W m…”
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Drought Superimposes the Positive Effect of Silver Fir on Water Relations of European Beech in Mature Forest Stands by Ruth-Kristina Magh, Boris Bonn, Rüdiger Grote, Tim Burzlaff, Sebastian Pfautsch, Heinz Rennenberg

“…Research Highlights: Investigations of evapotranspiration in a mature mixed beech-fir forest stand do not indicate higher resilience towards intensified…”
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Sesquiterpene ozonolysis: Origin of atmospheric new particle formation from biogenic hydrocarbons by Bonn, Boris, Moortgat, Geert K.

“…Atmospheric new aerosol particle formation observed in remote areas (e.g., in Finland, Portugal and in the U.S.). is generally attributed to low‐volatile…”
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Development and validation of a selective HPLC-ESI-MS/MS method for the quantification of glyoxal and methylglyoxal in atmospheric aerosols (PM2.5) by Kampf, Christopher J., Bonn, Boris, Hoffmann, Thorsten

“…This study concerns the development and validation of a complete method for the analysis of two highly reactive α-dicarbonyl compounds, glyoxal (Gly) and…”
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Influence of Water Vapor on the Process of New Particle Formation during Monoterpene Ozonolysis by Bonn, Boris, Schuster, Gerhard, Moortgat, Geert K

“…This study was focused on the investigation of the influence of water vapor on the size distribution of the newly formed aerosol particles during the reaction…”
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The Uncertain Role of Biogenic VOC for Boundary-Layer Ozone Concentration: Example Investigation of Emissions from Two Forest Types with a Box Model by Boris Bonn, Jürgen Kreuzwieser, Felicitas Sander, Rasoul Yousefpour, Tommaso Baggio, Oladeinde Adewale

“…High levels of air pollution including ground level ozone significantly reduce humans’ life expectancy and cause forest damage and decreased tree growth. The…”
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Expected Impacts of Mixing European Beech with Silver Fir on Regional Air Quality and Radiation Balance by Boris Bonn, Jürgen Kreuzwieser, Ruth-Kristina Magh, Heinz Rennenberg, Dirk Schindler, Dominik Sperlich, Raphael Trautmann, Rasoul Yousefpour, Rüdiger Grote

“…The anticipated climate change during the next decades is posing crucial challenges to ecosystems. In order to decrease the vulnerability of forests,…”
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High contribution of biogenic hydroperoxides to secondary organic aerosol formation by Bonn, Boris, von Kuhlmann, Rolf, Lawrence, Mark G.

“…Secondary organic aerosols are believed to make an important contribution to the atmospheric radiation budget, though the exact mechanisms responsible for…”
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Adsorption sites, adsorption enthalpies and potential removal of terpenoids by atmospheric ice by Czech, Christian, Hammer, Sonja M., Bonn, Boris, Schmidt, Martin U.

“…Ice crystal formation and its effect on atmospheric trace gases are currently an important area of research because of its radiation and climate effects…”
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Deep convective clouds as aerosol production engines: Role of insoluble organics by Kulmala, Markku, Reissell, Anni, Sipilä, Mikko, Bonn, Boris, Ruuskanen, Taina M., Lehtinen, Kari E. J., Kerminen, Veli-Matti, Ström, Johan

“…Deep convection associated with thunderstorms and sometimes with frontal systems is an effective way to transport material from the planetary boundary layer to…”
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Terpenoids are transported in the xylem sap of Norway spruce by Duan, Qiuxiao, Bonn, Boris, Kreuzwieser, Jürgen

“…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…”
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Air pollution at human scales in an urban environment: Impact of local environment and vehicles on particle number concentrations by von Schneidemesser, Erika, Steinmar, Kristina, Weatherhead, Elizabeth C., Bonn, Boris, Gerwig, Holger, Quedenau, Jörn

“…Air pollution is a global challenge causing millions of premature deaths annually. This is limited not only to developing, but also developed nations, with…”
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Effect of VOC Emissions from Vegetation on Air Quality in Berlin during a Heatwave by Churkina, Galina, Kuik, Friderike, Bonn, Boris, Lauer, Axel, Grote, Rüdiger, Tomiak, Karolina, Butler, Tim M

“…The potential of emissions from urban vegetation combined with anthropogenic emissions to produce ozone and particulate matter has long been recognized. This…”
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Biogenic isoprenoid emissions under drought stress: different responses for isoprene and terpenes by Bonn, Boris, Magh, Ruth-Kristina, Rombach, Joseph, Kreuzwieser, Jürgen

“…Emissions of volatile organic compounds (VOCs) by biogenic sources depend on different environmental conditions. Besides temperature and photosynthetic active…”
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Mixing layer height as an indicator for urban air quality? by Geiß, Alexander, Wiegner, Matthias, Bonn, Boris, Schäfer, Klaus, Forkel, Renate, von Schneidemesser, Erika, Münkel, Christoph, Chan, Ka Lok, Nothard, Rainer

“…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…”
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Monoterpene chemical speciation in a tropical rainforest:variation with season, height, and time of dayat the Amazon Tall Tower Observatory (ATTO) by Yáñez-Serrano, Ana María, Nölscher, Anke Christine, Bourtsoukidis, Efstratios, Gomes Alves, Eliane, Ganzeveld, Laurens, Bonn, Boris, Wolff, Stefan, Sa, Marta, Yamasoe, Marcia, Williams, Jonathan, Andreae, Meinrat O, Kesselmeier, Jürgen

“…Speciated monoterpene measurements in rainforest air are scarce, but they are essential for understanding the contribution of these compounds to the overall…”
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Impact of vegetative emissions on urban ozone and biogenic secondary organic aerosol: Box model study for Berlin, Germany by Bonn, Boris, von Schneidemesser, Erika, Butler, Tim, Churkina, Galina, Ehlers, Christian, Grote, Rüdiger, Klemp, Dieter, Nothard, Rainer, Schäfer, Klaus, von Stülpnagel, Albrecht, Kerschbaumer, Andreas, Yousefpour, Rasoul, Fountoukis, Christos, Lawrence, Mark G.

“…Tropospheric ozone and particulate matter affect human health and cause vegetation stress, dysfunction and damages. In this study we investigate the effect of…”
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BAERLIN2014 – the influence of land surface types on and the horizontal heterogeneity of air pollutant levels in Berlin by Bonn, Boris, von Schneidemesser, Erika, Andrich, Dorota, Quedenau, Jörn, Gerwig, Holger, Lüdecke, Anja, Kura, Jürgen, Pietsch, Axel, Ehlers, Christian, Klemp, Dieter, Kofahl, Claudia, Nothard, Rainer, Kerschbaumer, Andreas, Junkermann, Wolfgang, Grote, Rüdiger, Pohl, Tobias, Weber, Konradin, Lode, Birgit, Schönberger, Philipp, Churkina, Galina, Butler, Tim M, Lawrence, Mark G

“…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,…”
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Development and validation of a selective HPLC-ESI-MS/MS method for the quantification of glyoxal and methylglyoxal in atmospheric aerosols (PM2.5) : Aerosol Analysis by KAMPF, Christopher J, BONN, Boris, HOFFMANN, Thorsten

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Impact of flooding and drought conditions on the emission of volatile organic compounds of Quercus robur and Prunus serotina by Bourtsoukidis, E, Kawaletz, H, Radacki, D, Schütz, S, Hakola, H, Hellén, H, Noe, S, Mölder, I, Ammer, C, Bonn, Boris

“…We conducted measurements with oak (Quercus robur L.) and black cherry (Prunus serotina Ehrh.) seedlings to investigate their volatile organic compound (VOC)…”
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