Mass concentration estimates of long-range-transported Canadian biomass burning aerosols from a multi-wavelength Raman polarization lidar and a ceilometer in Finland by X. Shang, T. Mielonen, A. Lipponen, E. Giannakaki, E. Giannakaki, A. Leskinen, A. Leskinen, V. Buchard, V. Buchard, A. S. Darmenov, A. Kukkurainen, A. Kukkurainen, A. Arola, E. O'Connor, A. Hirsikko, M. Komppula

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A global ozone climatology from ozone soundings via trajectory mapping: a stratospheric perspective by J. Liu, D. W. Tarasick, V. E. Fioletov, C. McLinden, T. Zhao, S. Gong, C. Sioris, J. J. Jin, G. Liu, O. Moeini

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Multi-model study of HTAP II on sulfur and nitrogen deposition by J. Tan, J. S. Fu, F. Dentener, J. Sun, L. Emmons, S. Tilmes, K. Sudo, J. Flemming, J. E. Jonson, S. Gravel, H. Bian, Y. Davila, D. K. Henze, M. T. Lund, T. Kucsera, T. Takemura, T. Keating

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Global and regional radiative forcing from 20 % reductions in BC, OC and SO₄ – an HTAP2 multi-model study by C. W. Stjern, B. H. Samset, G. Myhre, H. Bian, M. Chin, Y. Davila, F. Dentener, L. Emmons, J. Flemming, A. S. Haslerud, D. Henze, J. E. Jonson, T. Kucsera, M. T. Lund, M. Schulz, K. Sudo, T. Takemura, S. Tilmes

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Estimating mangrove aboveground biomass from airborne LiDAR data: a case study from the Zambezi River delta by Temilola Fatoyinbo, Emanuelle A Feliciano, David Lagomasino, Seung Kuk Lee, Carl Trettin

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Stratospheric impact on the Northern Hemisphere winter and spring ozone interannual variability in the troposphere by J. Liu, J. Liu, J. M. Rodriguez, L. D. Oman, A. R. Douglass, M. A. Olsen, M. A. Olsen, L. Hu

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X-Ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624–49 by M. Lynne Saade, Philip Kaaret, Andrea Gnarini, Juri Poutanen, Francesco Ursini, Stefano Bianchi, Anna Bobrikova, Fabio La Monaca, Alessandro Di Marco, Fiamma Capitanio, Alexandra Veledina, Iván Agudo, Lucio A. Antonelli, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stephen D. Bongiorno, Raffaella Bonino, Alessandro Brez, Niccolò Bucciantini, Simone Castellano, Elisabetta Cavazzuti, Chien-Ting Chen, Stefano Ciprini, Enrico Costa, Alessandra De Rosa, Ettore Del Monte, Laura Di Gesu, Niccolò Di Lalla, Immacolata Donnarumma, Victor Doroshenko, Michal Dovčiak, Steven R. Ehlert, Teruaki Enoto, Yuri Evangelista, Sergio Fabiani, Riccardo Ferrazzoli, Javier A. García, Shuichi Gunji, Kiyoshi Hayashida, Jeremy Heyl, Wataru Iwakiri, Svetlana G. Jorstad, Vladimir Karas, Fabian Kislat, Takao Kitaguchi, Jeffery J. Kolodziejczak, Henric Krawczynski, Luca Latronico, Ioannis Liodakis, Simone Maldera, Alberto Manfreda, Frédéric Marin, Andrea Marinucci, Alan P. Marscher, Herman L. Marshall, Francesco Massaro, Giorgio Matt, Ikuyuki Mitsuishi, Tsunefumi Mizuno, Fabio Muleri, Michela Negro, Chi-Yung Ng, Stephen L. O’Dell, Nicola Omodei, Chiara Oppedisano, Alessandro Papitto, George G. Pavlov, Abel L. Peirson, Matteo Perri, Melissa Pesce-Rollins, Pierre-Olivier Petrucci, Maura Pilia, Andrea Possenti, Simonetta Puccetti, Brian D. Ramsey, John Rankin, Ajay Ratheesh, Oliver J. Roberts, Roger W. Romani, Carmelo Sgrò, Patrick Slane, Paolo Soffitta, Gloria Spandre, Douglas A. Swartz, Toru Tamagawa, Fabrizio Tavecchio, Roberto Taverna, Yuzuru Tawara, Allyn F. Tennant, Nicholas E. Thomas, Francesco Tombesi, Alessio Trois, Sergey S. Tsygankov, Roberto Turolla, Jacco Vink, Martin C. Weisskopf, Kinwah Wu, Fei Xie, Silvia Zane

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The Most Obscured AGNs in the XMM-SERVS Fields by Wei Yan, W. N. Brandt, Fan Zou, Shifu Zhu, Chien-Ting J. Chen, Ryan C. Hickox, Bin Luo, Qingling Ni, David M. Alexander, Franz E. Bauer, Cristian Vignali, Fabio Vito

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Comprehensive Study of the Chemical Composition and Spatial Outgassing Behavior of Hyperactive Comet 46P/Wirtanen Using Near-IR Spectroscopy during its Historic 2018 Apparition by Younas Khan, Erika L. Gibb, Nathan X. Roth, Michael A. DiSanti, Neil Dello Russo, Boncho P. Bonev, Chemeda T. Ejeta, Mohammad Saki, Ronald J. Vervack Jr., Adam J. McKay, Hideyo Kawakita, Michael R. Combi, Danna Qasim, Yinsi Shou

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Comparison of multiple PM2.5 exposure products for estimating health benefits of emission controls over New York State, USA by Xiaomeng Jin, Arlene M Fiore, Kevin Civerolo, Jianzhao Bi, Yang Liu, Aaron van Donkelaar, Randall V Martin, Mohammad Al-Hamdan, Yuqiang Zhang, Tabassum Z Insaf, Marianthi-Anna Kioumourtzoglou, Mike Z He, Patrick L Kinney

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Evaluation of NU-WRF model performance on air quality simulation under various model resolutions – an investigation within the framework of MICS-Asia Phase III by Z. Tao, Z. Tao, M. Chin, M. Gao, T. Kucsera, T. Kucsera, D. Kim, D. Kim, H. Bian, H. Bian, J. Kurokawa, Y. Wang, Z. Liu, G. R. Carmichael, Z. Wang, Z. Wang, Z. Wang, H. Akimoto

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TRAO Survey of Nearby Filamentary Molecular Clouds, the Universal Nursery of Stars (TRAO-FUNS). III. Filaments and Dense Cores in the NGC 2068 and NGC 2071 Regions of Orion B by Hyunju Yoo, Chang Won Lee, Eun Jung Chung, Shinyoung Kim, Mario Tafalla, Paola Caselli, Philip C. Myers, Kyoung Hee Kim, Tie Liu, Woojin Kwon, Archana Soam, Jongsoo Kim

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Background heterogeneity and other uncertainties in estimating urban methane flux: results from the Indianapolis Flux Experiment (INFLUX) by N. V. Balashov, N. V. Balashov, N. V. Balashov, K. J. Davis, N. L. Miles, T. Lauvaux, T. Lauvaux, S. J. Richardson, Z. R. Barkley, T. A. Bonin, T. A. Bonin

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Nitrogen dioxide and formaldehyde measurements from the GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator over Houston, Texas by C. R. Nowlan, X. Liu, S. J. Janz, M. G. Kowalewski, M. G. Kowalewski, K. Chance, M. B. Follette-Cook, M. B. Follette-Cook, A. Fried, G. González Abad, J. R. Herman, L. M. Judd, H.-A. Kwon, C. P. Loughner, C. P. Loughner, K. E. Pickering, K. E. Pickering, D. Richter, E. Spinei, J. Walega, P. Weibring, A. J. Weinheimer

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Measurement report: Cloud processes and the transport of biological emissions affect southern ocean particle and cloud condensation nuclei concentrations by K. J. Sanchez, K. J. Sanchez, K. J. Sanchez, G. C. Roberts, G. C. Roberts, G. Saliba, L. M. Russell, C. Twohy, M. J. Reeves, R. S. Humphries, M. D. Keywood, J. P. Ward, I. M. McRobert

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Ground-level gaseous pollutants (NO₂, SO₂, and CO) in China: daily seamless mapping and spatiotemporal variations by J. Wei, Z. Li, J. Wang, C. Li, P. Gupta, P. Gupta, M. Cribb

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Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments by L. N. Lamsal, L. N. Lamsal, N. A. Krotkov, A. Vasilkov, A. Vasilkov, S. Marchenko, S. Marchenko, W. Qin, W. Qin, E.-S. Yang, E.-S. Yang, Z. Fasnacht, Z. Fasnacht, J. Joiner, S. Choi, S. Choi, D. Haffner, D. Haffner, W. H. Swartz, B. Fisher, B. Fisher, E. Bucsela

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A model for urban biogenic CO₂ fluxes: Solar-Induced Fluorescence for Modeling Urban biogenic Fluxes (SMUrF v1) by D. Wu, D. Wu, J. C. Lin, H. F. Duarte, H. F. Duarte, V. Yadav, N. C. Parazoo, T. Oda, T. Oda, T. Oda, E. A. Kort

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Global premature mortality due to anthropogenic outdoor air pollution and the contribution of past climate change by Raquel A Silva, J Jason West, Yuqiang Zhang, Susan C Anenberg, Jean-François Lamarque, Drew T Shindell, William J Collins, Stig Dalsoren, Greg Faluvegi, Gerd Folberth, Larry W Horowitz, Tatsuya Nagashima, Vaishali Naik, Steven Rumbold, Ragnhild Skeie, Kengo Sudo, Toshihiko Takemura, Daniel Bergmann, Philip Cameron-Smith, Irene Cionni, Ruth M Doherty, Veronika Eyring, Beatrice Josse, I A MacKenzie, David Plummer, Mattia Righi, David S Stevenson, Sarah Strode, Sophie Szopa, Guang Zeng

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A methodology to constrain carbon dioxide emissions from coal-fired power plants using satellite observations of co-emitted nitrogen dioxide by F. Liu, F. Liu, B. N. Duncan, N. A. Krotkov, L. N. Lamsal, L. N. Lamsal, S. Beirle, D. Griffin, C. A. McLinden, D. L. Goldberg, Z. Lu

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