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    Academic Journals

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• A process-oriented evaluation of CAMS reanalysis ozone during tropopause folds over Europe for the period 2003-2018.

  Authors:Dimitris Akritidis, Andrea Pozzer, Johannes Flemming, Antje Inness, Philippe Nédélec, and Prodromos ZanisFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 9) Peer-Reviewed

  May 16, 2022301 words Brief article Tropopause folds are the key process underlying stratosphere-to-troposphere transport (STT) of ozone, and thus they affect tropospheric ozone levels and variability. In the present study we perform a process-oriented...

• Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe.

  Authors:Clara M. Nussbaumer, Andrea Pozzer, Ivan Tadic, Lenard Röder, Florian Obersteiner, Hartwig Harder, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 9) Peer-Reviewed

  May 11, 2022345 words Report, Brief articl... The COVID-19 (coronavirus disease 2019) European lockdowns have led to a significant reduction in the emissions of primary pollutants such as NO (nitric oxide) and NO.sub.2 (nitrogen dioxide). As most photochemical...

• Kinetics of OH + SO.sub.2 + M: temperature-dependent rate coefficients in the fall-off regime and the influence of water vapour.

  Authors:Wenyu Sun, Matias Berasategui, Andrea Pozzer, Jos Lelieveld, and John N. CrowleyFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 7) Peer-Reviewed

  Apr. 14, 2022397 words Brief article The OH-initiated oxidation of SO.sub.2 is the dominant, first step in the transformation of this atmospherically important trace gas to particulate sulfate, and accurate rate coefficients for the title reaction under all...

• Simulation of organics in the atmosphere: evaluation of EMACv2.54 with the Mainz Organic Mechanism (MOM) coupled to the ORACLE (v1.0) submodel.

  Authors:Andrea Pozzer, Simon F. Reifenberg, Vinod Kumar, Bruno Franco, Matthias Kohl, Domenico Taraborrelli, et al.From:Geoscientific Model Development (Vol. 15, Issue 6) Peer-Reviewed

  Apr. 1, 2022298 words Brief article An updated and expanded representation of organics in the chemistry general circulation model EMAC (ECHAM5/MESSy for Atmospheric Chemistry) has been evaluated. First, the comprehensive Mainz Organic Mechanism (MOM) in...

• Impact of non-ideality on reconstructing spatial and temporal variations in aerosol acidity with multiphase buffer theory.

  Authors:Guangjie Zheng, Hang Su, Siwen Wang, Andrea Pozzer, and Yafang ChengFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 1) Peer-Reviewed

  Jan. 3, 2022257 words Brief article Aerosol acidity is a key parameter in atmospheric aqueous chemistry and strongly influences the interactions of air pollutants and the ecosystem. The recently proposed multiphase buffer theory provides a framework to...

• How alkaline compounds control atmospheric aerosol particle acidity.

  Authors:Vlassis A. Karydis, Alexandra P. Tsimpidi, Andrea Pozzer, and Jos LelieveldFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 20) Peer-Reviewed

  Oct. 15, 2021246 words Brief article The acidity of atmospheric particulate matter regulates its mass, composition, and toxicity and has important consequences for public health, ecosystems and climate. Despite these broad impacts, the global distribution...

• Impact of pyruvic acid photolysis on acetaldehyde and peroxy radical formation in the boreal forest: theoretical calculations and model results.

  Authors:Philipp G. Eger, Luc Vereecken, Rolf Sander, Jan Schuladen, Nicolas Sobanski, Horst Fischer, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 18) Peer-Reviewed

  Sept. 28, 2021433 words Article Based on the first measurements of gas-phase pyruvic acid (CH.sub.3 C(O)C(O)OH) in the boreal forest, we derive effective emission rates of pyruvic acid and compare them with monoterpene emission rates over the diel...

• Measurements of carbonyl compounds around the Arabian Peninsula: overview and model comparison.

  Authors:Nijing Wang, Achim Edtbauer, Christof Stönner, Andrea Pozzer, Efstratios Bourtsoukidis, Lisa Ernle, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 18) Peer-Reviewed

  Sept. 15, 2020331 words Brief article Volatile organic compounds (VOCs) were measured around the Arabian Peninsula using a research vessel during the AQABA campaign (Air Quality and Climate Change in the Arabian Basin) from June to August 2017. In this study...

• Projection of North Atlantic Oscillation and its effect on tracer transport

  Authors:Sara Bacer, Theodoros Christoudias, and Andrea PozzerFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 24) Peer-Reviewed

  Dec. 16, 2016245 words Author abstract, Bri... The North Atlantic Oscillation (NAO) plays an important role in the climate variability of the Northern Hemisphere, with significant consequences on long-range pollutant transport. We investigate the evolution of...

• Upper tropospheric CH.sub.4 and CO affected by the South Asian summer monsoon during the Oxidation Mechanism Observations mission

  Authors:Laura Tomsche, Andrea Pozzer, Narendra Ojha, Uwe Parchatka, Jos Lelieveld, and Horst FischerFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 3) Peer-Reviewed

  Feb. 13, 2019358 words Author abstract, Bri...

  The Asian monsoon anticyclone (AMA) is annual phenomenon in the northern hemispheric upper troposphere and lower stratosphere. It is part of the South Asian summer monsoon system, and it has a clearly observable...

• Model simulations of atmospheric methane (1997-2016) and their evaluation using NOAA and AGAGE surface and IAGOS-CARIBIC aircraft observations.

  Authors:Peter H. Zimmermann, Carl A. M. Brenninkmeijer, Andrea Pozzer, Patrick Jöckel, Franziska Winterstein, Andreas Zahn, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 9) Peer-Reviewed

  May 14, 2020426 words Article Methane (CH.sub.4) is an important greenhouse gas, and its atmospheric budget is determined by interacting sources and sinks in a dynamic global environment. Methane observations indicate that after almost a decade of...

• Global tropospheric hydroxyl distribution, budget and reactivity

  Authors:Jos Lelieveld, Sergey Gromov, Andrea Pozzer, and Domenico TaraborrelliFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 19) Peer-Reviewed

  Oct. 5, 2016244 words Brief article The self-cleaning or oxidation capacity of the atmosphere is principally controlled by hydroxyl (OH) radicals in the troposphere. Hydroxyl has primary (P) and secondary (S) sources, the former mainly through the...

• Central role of nitric oxide in ozone production in the upper tropical troposphere over the Atlantic Ocean and western Africa.

  Authors:Ivan Tadic, Clara M. Nussbaumer, Birger Bohn, Hartwig Harder, Daniel Marno, Monica Martinez, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 10) Peer-Reviewed

  May 27, 2021393 words Brief article Mechanisms of tropospheric ozone (O.sub.3) formation are generally well understood. However, studies reporting on net ozone production rates (NOPRs) directly derived from in situ observations are challenging and are...

• Impact of the South Asian monsoon outflow on atmospheric hydroperoxides in the upper troposphere.

  Authors:Bettina Hottmann, Sascha Hafermann, Laura Tomsche, Daniel Marno, Monica Martinez, Hartwig Harder, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 21) Peer-Reviewed

  Nov. 3, 2020426 words Article During the OMO (Oxidation Mechanism Observation) mission, trace gas measurements were performed on board the HALO (High Altitude Long Range) research aircraft in summer 2015 in order to investigate the outflow of the...

• Boundary layer evolution over the central Himalayas from radio wind profiler and model simulations

  Authors:Narendra Singh, Raman Solanki, Narendra Ojha, Ruud H. H. Janssen, Andrea Pozzer, and Surendra K. DhakaFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 16) Peer-Reviewed

  Aug. 24, 2016360 words Brief article We investigate the time evolution of the Local Boundary Layer (LBL) for the first time over a mountain ridge at Nainital (79.5°â€¯E, 29.4°â€¯N,...

• Global atmospheric budget of simple monocyclic aromatic compounds

  Authors:David Cabrera-Perez, Domenico Taraborrelli, Rolf Sander, and Andrea PozzerFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 11) Peer-Reviewed

  June 7, 2016218 words Brief article The global atmospheric budget and distribution of monocyclic aromatic compounds is estimated, using an atmospheric chemistry general circulation model. Simulation results are evaluated with an ensemble of surface and...

• Atmospheric chemistry, sources and sinks of carbon suboxide, C.sub.3O.sub.2

  Authors:David Cabrera-Perez, Abraham Horowitz, Patrick R. Veres, Rolf Sander, Domenico Taraborrelli, Maria Tucceri, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 14) Peer-Reviewed

  July 20, 2017295 words Brief article, Repor... Carbon suboxide, O = C = C = C = O, has been detected in ambient air samples and has the potential to be a noxious pollutant and oxidant precursor; however, its lifetime and fate in the atmosphere are largely unknown....

• Global impact of mineral dust on cloud droplet number concentration

  Authors:Vlassis A. Karydis, Alexandra P. Tsimpidi, Sara Bacer, Andrea Pozzer, Athanasios Nenes, and Jos LelieveldFrom:Atmospheric Chemistry and Physics (Vol. 17, Issue 9) Peer-Reviewed

  May 3, 2017409 words Author abstract, Bri... The importance of wind-blown mineral dust for cloud droplet formation is studied by considering (i) the adsorption of water on the surface of insoluble particles, (ii) particle coating by soluble...

• The STRatospheric Estimation Algorithm from Mainz (STREAM): estimating stratospheric NO.sub.2 from nadir-viewing satellites by weighted convolution

  Authors:Steffen Beirle, Song Liu, Marloes Penning de Vries, Andrea Pozzer, Holger Sihler, Pieter Valks, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 7) Peer-Reviewed

  July 4, 2016220 words Brief article The STRatospheric Estimation Algorithm from Mainz (STREAM) determines stratospheric columns of NO.sub.2  which are needed for the retrieval of tropospheric columns from satellite observations. It is based on...

• WRF-Chem simulated surface ozone over south Asia during the pre-monsoon: effects of emission inventories and chemical mechanisms

  Authors:Amit Sharma, Narendra Ojha, Andrea Pozzer, Kathleen A. Mar, Gufran Beig, Jos Lelieveld, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 23) Peer-Reviewed

  Dec. 5, 2017309 words Brief article We evaluate numerical simulations of surface ozone mixing ratios over the south Asian region during the pre-monsoon season, employing three different emission inventories in the Weather Research and Forecasting model...