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    Academic Journals

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• Model evaluation of short-lived climate forcers for the Arctic Monitoring and Assessment Programme: a multi-species, multi-model study.

  Authors:Cynthia H. Whaley, Rashed Mahmood, Knut von Salzen, Barbara Winter, Sabine Eckhardt, Stephen Arnold, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 9) Peer-Reviewed

  May 4, 2022421 words Report While carbon dioxide is the main cause for global warming, modeling short-lived climate forcers (SLCFs) such as methane, ozone, and particles in the Arctic allows us to simulate near-term climate and health impacts for a...

• Reducing future air-pollution-related premature mortality over Europe by mitigating emissions from the energy sector: assessing an 80 % renewable energies scenario.

  Authors:Patricia Tarín-Carrasco, Ulas Im, Camilla Geels, Laura Palacios-Peña, and Pedro Jiménez-GuerreroFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 6) Peer-Reviewed

  Mar. 28, 2022523 words Article Overall, European air quality has worsened in recent decades as a consequence of increased anthropogenic emissions, in particular from the power generation sector. The evidence of the effects of atmospheric pollution...

• Projections of shipping emissions and the related impact on air pollution and human health in the Nordic region.

  Authors:Camilla Geels, Morten Winther, Camilla Andersson, Jukka-Pekka Jalkanen, Jørgen Brandt, Lise M. Frohn, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 16) Peer-Reviewed

  Aug. 19, 2021494 words Article International initiatives have successfully brought down the emissions, and hence also the related negative impacts on environment and human health, from shipping in Emission Control Areas (ECAs). However, the question...

• An application of a puff dispersion model on power plant emissions in Yatagan region, Turkey

  Authors:Ulas Im and Orhan YenigunFrom:International Journal of Environment and Pollution (Vol. 23, Issue 2) Peer-Reviewed

  Apr. 19, 2005146 words Author abstract

   Abstract Only

• Insights into the deterministic skill of air quality ensembles from the analysis of AQMEII data

  Authors:Ioannis Kioutsioukis, Ulas Im, Efisio Solazzo, Roberto Bianconi, Alba Badia, Alessandra Balzarini, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 24) Peer-Reviewed

  Dec. 20, 2016425 words Author abstract, Bri... Simulations from chemical weather models are subject to uncertainties in the input data (e.g. emission inventory, initial and boundary conditions) as well as those intrinsic to the model...

• Assessment and economic valuation of air pollution impacts on human health over Europe and the United States as calculated by a multi-model ensemble in the framework of AQMEII3

  Authors:Ulas Im, Camilla Geels, Kaj Mantzius Hansen, Jesper Heile Christensen, Mikael Skou Andersen, Efisio Solazzo, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 8) Peer-Reviewed

  Apr. 27, 2018445 words Author abstract, Bri... The impact of air pollution on human health and the associated external costs in Europe and the United States (US) for the year 2010 are modeled by a multi-model ensemble of regional models in the frame of the third...

• Modeled deposition of nitrogen and sulfur in Europe estimated by 14 air quality model systems: evaluation, effects of changes in emissions and implications for habitat protection

  Authors:Marta G. Vivanco, Mark R. Theobald, Juan Luis Garrido, Marje Prank, Wenche Aas, Mario Adani, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 17, 2018463 words Author abstract, Bri...

  The evaluation and intercomparison of air quality models is key to reducing model errors and uncertainty. The projects AQMEII3 and EURODELTA-Trends, in the framework of the Task Force on Hemispheric Transport of Air...

• Isolating the climate change impacts on air-pollution-related-pathologies over central and southern Europe - a modelling approach on cases and costs

  Author:Ulas ImFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 14) Peer-Reviewed

  July 23, 2019336 words Author abstract, Bri...

  Air pollution has important implications for human health and associated external costs to society and is closely related to climate change. This contribution tries to assess the impacts of present (1996-2015) and...

• HTAP2 multi-model estimates of premature human mortality due to intercontinental transport of air pollution and emission sectors

  Authors:Ciao-Kai Liang, J. Jason West, Raquel A. Silva, Huisheng Bian, Mian Chin, Yanko Davila, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 23, 2018630 words Author abstract, Bri...

  Ambient air pollution from ozone and fine particulate matter is associated with premature mortality. As emissions from one continent influence air quality over others, changes in emissions can also influence human...

• Influence of anthropogenic emissions and boundary conditions on multi-model simulations of major air pollutants over Europe and North America in the framework of AQMEII3

  Authors:Ulas Im, Jesper Heile Christensen, Camilla Geels, Kaj Mantzius Hansen, Efisio Solazzo, Ummugulsum Alyuz, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 12) Peer-Reviewed

  June 28, 2018568 words Author abstract, Bri... In the framework of the third phase of the Air Quality Model Evaluation International Initiative (AQMEII3), and as contribution to the second phase of the Hemispheric Transport of Air Pollution (HTAP2) activities for...

• Attributing differences in the fate of lateral boundary ozone in AQMEII3 models to physical process representations

  Authors:Peng Liu, Christian Hogrefe, Ulas Im, Jesper H. Christensen, Johannes Bieser, Uarporn Nopmongcol, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 23) Peer-Reviewed

  Dec. 5, 2018427 words Author abstract, Bri...

  Increasing emphasis has been placed on characterizing the contributions and the uncertainties of ozone imported from outside the US. In chemical transport models (CTMs), the ozone transported through lateral...

• The influence of residential wood combustion on the concentrations of PM.sub.2.5 in four Nordic cities.

  Authors:Jaakko Kukkonen, Susana López-Aparicio, David Segersson, Camilla Geels, Leena Kangas, Mari Kauhaniemi, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 7) Peer-Reviewed

  Apr. 15, 2020389 words Article Residential wood combustion (RWC) is an important contributor to air quality in numerous regions worldwide. This study is the first extensive evaluation of the influence of RWC on ambient air quality in several Nordic...

• Present and future aerosol impacts on Arctic climate change in the GISS-E2.1 Earth system model.

  Authors:Ulas Im, Kostas Tsigaridis, Gregory Faluvegi, Peter L. Langen, Joshua P. French, Rashed Mahmood, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 13) Peer-Reviewed

  July 9, 2021540 words Article The Arctic is warming 2 to 3 times faster than the global average, partly due to changes in short-lived climate forcers (SLCFs) including aerosols. In order to study the effects of atmospheric aerosols in this warming,...

• Evaluation and error apportionment of an ensemble of atmospheric chemistry transport modeling systems: multivariable temporal and spatial breakdown

  Authors:Efisio Solazzo, Roberto Bianconi, Christian Hogrefe, Gabriele Curci, Paolo Tuccella, Ummugulsum Alyuz, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 4) Peer-Reviewed

  Feb. 28, 2017466 words Brief article Through the comparison of several regional-scale chemistry transport modeling systems that simulate meteorology and air quality over the European and North American continents, this study aims at...

• Two-scale multi-model ensemble: is a hybrid ensemble of opportunity telling us more?

  Authors:Stefano Galmarini, Ioannis Kioutsioukis, Efisio Solazzo, Ummugulsum Alyuz, Alessandra Balzarini, Roberto Bellasio, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 12) Peer-Reviewed

  June 21, 2018468 words Author abstract, Bri... In this study we introduce a hybrid ensemble consisting of air quality models operating at both the global and regional scale. The work is motivated by the fact that these different types of models treat...

• Modelling black carbon absorption of solar radiation: combining external and internal mixing assumptions

  Authors:Gabriele Curci, Ummugulsum Alyuz, Rocio Baro, Roberto Bianconi, Johannes Bieser, Jesper H. Christensen, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 1) Peer-Reviewed

  Jan. 7, 2019403 words Author abstract, Bri...

  An accurate simulation of the absorption properties is key for assessing the radiative effects of aerosol on meteorology and climate. The representation of how chemical species are mixed inside the particles (the...

• Seasonal ozone vertical profiles over North America using the AQMEII3 group of air quality models: model inter-comparison and stratospheric intrusions

  Authors:Marina Astitha, Ioannis Kioutsioukis, Ghezae Araya Fisseha, Roberto Bianconi, Johannes Bieser, Jesper H. Christensen, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 19) Peer-Reviewed

  Oct. 2, 2018372 words Author abstract, Bri...

  This study evaluates simulated vertical ozone profiles produced in the framework of the third phase of the Air Quality Model Evaluation International Initiative (AQMEII3) against ozonesonde observations in North...