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Drewnick, F., Pikmann, J., Fachinger, F., Moormann, L., Sprang, F. and Borrmann, S.: Aerosol filtration efficiency of household materials for homemade face masks: Influence of material properties, particle size, particle electrical charge, face velocity, and leaks, Aerosol Science and Technology, 54, doi:10.1080/02786826.2020.1817846, 2020.

Shinozuka, Y., Saide, P. E., Ferrada, G. A., Burton, S. P., Ferrare, R., Doherty, S. J., Gordon, H., Longo, K., Mallet, M., Feng, Y., Wang, Q., Cheng, Y., Dobracki, A., Freitag, S., Howell, S. G., LeBlanc, S., Flynn, C., Segal-Rosenhaimer, M., Pistone, K., Podolske, J. R., Stith, E. J., Bennett, J. R., Carmichael, G. R., da Silva, A., Govindaraju, R., Leung, R., Zhang, Y., Pfister, L., Ryoo, J.-M., Redemann, J., Wood, R. and Zuidema, P.: Modeling the smoky troposphere of the southeast Atlantic: a comparison to ORACLES airborne observations from September, Atmospheric Chemistry and Physics, 20(19), 11491–11526, doi:10.5194/acp-20-11491-2020, 2020.

Braadbaart, F., Reidsma, F. H., Roebroeks, W., Chiotti, L., Slon, V., Meyer, M., Théry-Parisot, I., van Hoesel, A., Nierop, K. G. J., Kaal, J., van Os, B. and Marquer, L.: Heating histories and taphonomy of ancient fireplaces: A multi-proxy case study from the Upper Palaeolithic sequence of Abri Pataud (Les Eyzies-de-Tayac, France), Journal of Archaeological Science: Reports, 33, doi:10.1016/j.jasrep.2020.102468, 2020.

Eldridge, D. J., Reed, S., Travers, S. K., Bowker, M. A., Maestre, F. T., Ding, J., Havrilla, C., Rodriguez-Caballero, E., Barger, N., Weber, B., Antoninka, A., Belnap, J., Chaudhary, B., Faist, A., Ferrenberg, S., Huber-Sannwald, E., Issa, O. M. and Zhao, Y.: The pervasive and multifaceted influence of biocrusts on water in the world's drylands, Global Change Biology, 26(10), 6003–6014, doi:10.1111/gcb.15232, 2020.

Waltgenbach, S., Scholz, D., Spoetl, C., Riechelmann, D. F. C., Jochum, K. P., Fohlmeister, J. and Schroeder-Ritzrau, A.: Climate and structure of the 8.2 ka event reconstructed from three speleothems from Germany, Global and Planetary Change, 193, doi:10.1016/j.gloplacha.2020.103266, 2020.

Otter, L. M., Macholdt, D. S., Jochum, K. P., Stoll, B., Weis, U., Weber, B., Scholz, D., Haug, G. H., Al-Amri, A. M. and Andreae, M. O.: Geochemical insights into the relationship of rock varnish and adjacent mineral dust fractions, Chemical Geology, 551, doi:10.1016/j.chemgeo.2020.119775, 2020.

Wang, Y., Apituley, A., Bais, A., Beirle, S., Benavent, N., Borovski, A., Bruchkouski, I., Chan, K. L., Donner, S., Drosoglou, T., Finkenzeller, H., Friedrich, M. M., Friess, U., Garcia-Nieto, D., Gomez-Martin, L., Hendrick, F., Hilboll, A., Jin, J., Johnston, P., Koenig, T. K., Kreher, K., Kumar, V., Kyuberis, A., Lampel, J., Liu, C., Liu, H., Ma, J., Polyansky, O. L., Postylyakov, O., Querel, R., Saiz-Lopez, A., Schmitt, S., Tian, X., Tirpitz, J.-L., Van Roozendael, M., Volkamer, R., Wang, Z., Xie, P., Xing, C., Xu, J., Yela, M., Zhang, C. and Wagner, T.: Inter-comparison of MAX-DOAS measurements of tropospheric HONO slant column densities and vertical profiles during the CINDI-2 campaign, Atmospheric Measurement Techniques, 13(9), 5087–5116, doi:10.5194/amt-13-5087-2020, 2020.

Zannoni, N., Wikelski , M., Gagliardo , A., Raza, A., Kramer, S., Seghetti, C., Wang, N., Edtbauer, A. and Williams, J.: Identifying volatile organic compounds used for olfactory navigation by homing pigeons, Scientific Reports, 10(1), doi:10.1038/s41598-020-72525-2, 2020.

Cheng, S., Jin, J., Ma, J., Xu, X., Ran, L., Ma, Z., Chen, J., Guo, J., Yang, P., Wang, Y. and Wagner, T.: Measuring the Vertical Profiles of Aerosol Extinction in the Lower Troposphere by MAX-DOAS at a Rural Site in the North China Plain, Atmosphere, 11(10), doi:10.3390/atmos11101037, 2020.

Weinerová, H., Bábek, O., Slavik, L., Vonhof, H. and Hladil, J. H.: Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian, Czech Republic), Palaeogeography, Palaeoclimatology, Palaeoecology, 560, doi:10.1016/j.palaeo.2020.110036, 2020.

Wang, N., Edtbauer, A., Stönner, C., Pozzer, A., Bourtsoukidis, E., Ernle, L., Dienhart, D., Hottmann, B., Fischer, H., Schuladen, J., Crowley, J. N., Paris, J.-D., Lelieveld, J. and Williams, J.: Measurements of carbonyl compounds around the Arabian Peninsula: overview and model comparison, Atmospheric Chemistry and Physics, 20(18), 10807–10829, doi:10.5194/acp-20-10807-2020, 2020.

Su, H., Cheng, Y. and Pöschl, U.: New Multiphase Chemical Processes Influencing Atmospheric Aerosols, Air Quality, and Climate in the Anthropocene, Accounts of Chemical Research, 53(10), 2034–2043, doi:10.1021/acs.accounts.0c00246, 2020.

Caseiro, A., Gehrke, B., Rücker , G., Leimbach, D. and Kaiser, J. W.: Gas flaring activity and black carbon emissions in 2017 derived from the Sentinel-3A Sea and Land Surface Temperature Radiometer, Earth System Science Data, 12(3), 2137–2155, doi:10.5194/essd-12-2137-2020, 2020.

Luo, Q., Hong, J., Xu, H., Han, S., Tan, H., Wang, Q., Tao, J., Ma, N., Cheng, Y. and Su, H.: Hygroscopicity of amino acids and their effect on the water uptake of ammonium sulfate in the mixed aerosol particles, Science of the Total Environment, 734, doi:10.1016/j.scitotenv.2020.139318, 2020.

Pehnec, G., Jakovljevc, I., Godec, R., Strukil, Z. S., Zero, S., Huremovic, J. and Džepina, K.: Carcinogenic organic content of particulate matter at urban locations with different pollution sources, Science of the Total Environment, 734, doi:10.1016/j.scitotenv.2020.139414, 2020.

Upadhyay, A., Dey, S., Chowdhury, S., Kumar, R. and Goyal, P.: Tradeoffs between air pollution mitigation and meteorological response in India, Scientific Reports, 10(1), doi:10.1038/s41598-020-71607-5, 2020.

Bieser, J., Angot, H., Slemr, F. and Martin, L.: Atmospheric mercury in the Southern Hemisphere - Part 2: Source apportionment analysis at Cape Point station, South Africa, Atmospheric Chemistry and Physics, 20(17), 10427–10439, doi:10.5194/acp-20-10427-2020, 2020.

Dewald, P., Liebmann, J. M., Friedrich, N., Shenolikar, J., Schuladen, J., Rohrer, F., Reimer, D., Tillmann, R., Novelli, A., Cho, C., Xu, K., Holzinger, R., Bernard, F., Zhou, L., Mellouki, W., Brown, S. S., Fuchs, H., Lelieveld, J. and Crowley, J. N.: Evolution of NO₃ reactivity during the oxidation of isoprene, Atmospheric Chemistry and Physics, 20(17), 10459–10475, doi:10.5194/acp-20-10459-2020, 2020.

Kaur, T., Sarkar, S., Chowdhury, S., Sinha, S. K., Jolly, M. K. and Dutta, P. S.: Anticipating the Novel Coronavirus Disease (COVID-19) Pandemic, Frontiers in public health, 8, doi:10.3389/fpubh.2020.569669, 2020.

Predybaylo, E., Stenchikov, G., Wittenberg, A. T. and Osipov, S.: El Niño/Southern Oscillation response to low-latitude volcanic eruptions depends on ocean pre-conditions and eruption timing, Communications Earth & Environment, 1, doi:10.1038/s43247-020-0013-y, 2020.

Li, H., Sodoudi, S., Liu, J. and Tao, W.: Temporal variation of urban aerosol pollution island and its relationship with urban heat island, Atmospheric Research, 241, doi:10.1016/j.atmosres.2020.104957, 2020.

Yang, Y.-H., Yang, M., Jochum, K. P., Wu, S.-T., Zhao, H., Xie, L.-W., Huang, C., Zhan, X.-C., Yang, J.-H. and Wu, F.-Y.: High-Precision Sr-Nd-Hf-Pb Isotopic Composition of Chinese Geological Standard Glass Reference Materials CGSG-1, CGSG-2, CGSG-4 and CGSG-5 by MC-ICP-MS and TIMS, Geostandards and Geoanalytical Research, 44(3), 567–579, doi:10.1111/ggr.12322, 2020.

Vilà-Guerau de Arellano, J., Ney, P., Hartogensis, O., de Boer, H., van Diepen, K., Emin, D., de Groot, G., Klosterhalfen, A., Langensiepen, M., Matveeva, M., Miranda-Garcia, G., Moene, A. F., Rascher, U., Röckmann, T., Adnew, G., Brüggemann, N., Rothfuss, Y. and Graf, A.: CloudRoots: integration of advanced instrumental techniques and process modelling of sub-hourly and sub-kilometre land–atmosphere interactions, Biogeosciences, 17(17), 4375–4404, doi:10.5194/bg-17-4375-2020, 2020.

De Graaf, S., Vonhof, H. B., Weissbach , T., Wassenburg, J. A., Levy, E. J., Kluge , T. and Haug, G. H.: A comparison of isotope ratio mass spectrometry and cavity ring-down spectroscopy techniques for isotope analysis of fluid inclusion water, Rapid Communications in Mass Spectrometry, 34(16), doi:10.1002/rcm.8837, 2020.

McClymont, E. L., Ford, H. L., Ho, S. L., Tindall, J. C., Haywood, A. M., Alonso-Garcia, M., Bailey, I., Berke, M. A., Littler, K., Patterson, M. O., Petrick, B., Peterse, F., Ravelo, A. C., Risebrobakken, B., De Schepper, S., Swann, G. E. A., Thirumalai, K., Tierney, J. E., van der Weijst, C., White, S., Abe-Ouchi, A., Baatsen, M. L. J., Brady, E. C., Chan, W.-L., Chandan, D., Feng, R., Guo, C., von der Heydt, A. S., Hunter, S., Li, X., Lohmann, G., Nisancioglu, K. H., Otto-Bliesner, B. L., Peltier, W. R., Stepanek, C. and Zhang, Z.: Lessons from a high-CO₂ world: an ocean view from similar to 3 million years ago, Climate of the past, 16(4), 1599–1615, doi:10.5194/cp-16-1599-2020, 2020.

Aristegui, J., Montero, M. F., Hernandez-Hernandez, N., Alonso-Gonzalez, I. J., Baltar, F., Calleja, M. L. and Duarte, C. M.: Variability in Water-Column Respiration and Its Dependence on Organic Carbon Sources in the Canary Current Upwelling Region, Frontiers in Earth Science, 8, doi:10.3389/feart.2020.00349, 2020.

Laube, J. C., Elvidge, E. C. L., Adcock, K. E., Baier, B., Brenninkmeijer, C. A. M., Chen, H., Droste, E. S., Grooss, J.-U., Heikkinen, P., Hind, A. J., Kivi, R., Lojko, A., Montzka, S. A., Oram, D. E., Randall, S., Rockmann, T., Sturges, W. T., Sweeney, C., Thomas, M., Tuffnell, E. and Ploeger, F.: Investigating stratospheric changes between 2009 and 2018 with halogenated trace gas data from aircraft, AirCores, and a global model focusing on CFC-11, Atmospheric Chemistry and Physics, 20(16), 9771–9782, doi:10.5194/acp-20-9771-2020, 2020.

Fitzsimmons, K. E., Nowatzki, M., Dave, A. K. and Harder, H.: Corrigendum to “Intersections between wind regimes, topography and sediment supply: Perspectives from aeolian landforms in Central Asia”. Palaeogeography, Palaeoclimatology, Palaeoecology 540 (2020) 109531 2020), Palaeogeography, Palaeoclimatology, Palaeoecology, 552, doi:10.1016/j.palaeo.2020.109795, 2020.

Schwaerzel, M., Emde, C., Brunner, D., Morales, R., Wagner, T., Berne, A., Buchmann, B. and Kuhlmann, G.: Three-dimensional radiative transfer effects on airborne and ground-based trace gas remote sensing, Atmospheric Measurement Techniques, 13(8), 4277–4293, doi:10.5194/amt-13-4277-2020, 2020.

Zannoni, N., Leppla, D., de Assis, P. I. L. S., Hoffmann, T., Sá, M., Araújo, A. and Williams, J.: Surprising chiral composition changes over the Amazon rainforest with height, time and season, Communications Earth & Environment, 1, doi:10.1038/s43247-020-0007-9, 2020.

Venter, Z. S., Aunan, K., Chowdhury, S. and Lelieveld, J.: COVID-19 lockdowns cause global air pollution declines, Proceedings of the National Academy of Sciences of the United States of America, 117(32), 18984–18990, doi:10.1073/pnas.2006853117, 2020.

Andreae, M. O., Al-Amri, A., Andreae, T. W., Garfinkel, A., Haug, G. H., Jochum, K. P., Stoll, B. and Weis, U.: Geochemical studies on rock varnish and petroglyphs in the Owens and Rose Valleys, California, PLoS One, 15(8), doi:10.1371/journal.pone.0235421, 2020.

Chawchai, S., Liu, G., Bissen, R., Scholz, D., Riechelmann, D. F. C., Vonhof, H., Mertz-Kraus, R., Chiang, H.-W., Tan, L. and Wang, X.: Hydroclimate variability of western Thailand during the last 1400 years, Quaternary Science Reviews, 241, doi:10.1016/j.quascirev.2020.106423, 2020.

Huremovic, J., Zero, S., Bubalo, E., Dacic, M., Celikovic, A., Music, I., Basic, M., Huseinbasic, N., Džepina, K., Cepic, M., Muratovic, N., Pasalic, A., Salihagic, S., Krvavac, Z., Zelic-Hadziomerovic, J. and Gojak-Salimovic, S.: Analysis of PM10, Pb, Cd, and Ni atmospheric concentrations during domestic heating season in Sarajevo, Bosnia and Herzegovina, from 2010 to 2019, Air Quality, Atmosphere & Health, 13(8), 965–976, doi:10.1007/s11869-020-00852-4, 2020.

Luciani, V., D'Onofrio, R., Filippi, G. and Moretti, S.: Which was the habitat of early Eocene planktic foraminifer Chiloguembelina? Stable isotope paleobiology from the Atlantic Ocean and implication for paleoceanographic reconstructions, Global and Planetary Change, 191, doi:10.1016/j.gloplacha.2020.103216, 2020.

Ntoumos, A., Hadjinicolaou, P., Zittis, G. and Lelieveld, J.: Updated Assessment of Temperature Extremes over the Middle East-North Africa (MENA) Region from Observational and CMIP5 Data, Atmosphere, 11(8), doi:10.3390/atmos11080813, 2020.

Sanchez, S. C., Westphal, N., Haug, G. H., Cheng, H., Edwards, R. L., Schneider, T., Cobb, K. M. and Charles, C. D.: A Continuous Record of Central Tropical Pacific Climate Since the Midnineteenth Century Reconstructed From Fanning and Palmyra Island Corals: A Case Study in Coral Data Reanalysis, Paleoceanography and paleoclimatology, 35(8), doi:10.1029/2020PA003848, 2020.

Leung, D. M., Shi, H., Zhao, B., Wang, J., Ding, E. M., Gu, Y., Zheng, H., Chen, G., Liou, K.-N., Wang, S., Fast, J. D., Zheng, G., Jiang, J., Li, X. and Jiang, J. H.: Wintertime Particulate Matter Decrease Buffered by Unfavorable Chemical Processes Despite Emissions Reductions in China, Geophysical Research Letters, 47(14), doi:10.1029/2020GL087721, 2020.

Hartmann, M., Adachi, K., Eppers, O., Haas, C., Herber, A., Holzinger, R., Huenerbein, A., Jaekel, E., Jentzsch, C., van Pinxteren, M., Wex, H., Willmes, S. and Stratmann, F.: Wintertime Airborne Measurements of Ice Nucleating Particles in the High Arctic: A Hint to a Marine, Biogenic Source for Ice Nucleating Particles, Geophysical Research Letters, 47(13), doi:10.1029/2020GL087770, 2020.

Missiaen, L., Menviel, L. C., Meissner, K. J., Roche, D. M., Dutay, J.-C., Bouttes, N., Lhardy, F., Quiquet, A., Pichat, S. and Waelbroeck, C.: Modelling the impact of biogenic particle flux intensity and composition on sedimentary Pa/Th, Quaternary Science Reviews, 240, doi:10.1016/j.quascirev.2020.106394, 2020.

Compernolle, S., Verhoelst, T., Pinardi, G., Granville, J., Hubert, D., Keppens, A., Niemeijer, S., Rino, B., Bais, A., Beirle, S., Boersma, F., Burrows, J. P., De Smedt, I., Eskes, H., Goutail, F., Hendrick, F., Lorente, A., Pazmino, A., Piters, A., Peters, E., Pommereau, J.-P., Remmers, J., Richter, A., van Geffen, J., Van Roozendael, M., Wagner, T. and Lambert, J.-C.: Validation of Aura-OMI QA4ECV NO₂ climate data records with ground-based DOAS networks: the role of measurement and comparison uncertainties, Atmospheric Chemistry and Physics, 20(13), 8017–8045, doi:10.5194/acp-20-8017-2020, 2020.

Vinnepand, M., Fischer, P., Fitzsimmons, K., Thornton, B., Fiedler, S. and Voett, A.: Combining Inorganic and Organic Carbon Stable Isotope Signatures in the Schwalbenberg Loess-Palaeosol-Sequence Near Remagen (Middle Rhine Valley, Germany), Frontiers in Earth Science, 8, doi:10.3389/feart.2020.00276, 2020.

Förster, J.-D., Gurk, C., Lamneck, M., Tong, H., Ditas, F., Steimer, S. S., Alpert, P. A., Ammann, M., Raabe, J., Weigand, M., Watts, B., Pöschl, U., Andreae, M. O. and Pöhlker, C.: MIMiX: a Multipurpose In situ Microreactor system for X-ray microspectroscopy to mimic atmospheric aerosol processing, Atmospheric Measurement Techniques, 13(7), 3717–3729, doi:10.5194/amt-13-3717-2020, 2020.

Molleker, S., Helleis, F., Klimach, T., Appel, O., Clemen, H.-C., Dragoneas, A., Gurk, C., Hünig, A., Köllner, F., Rubach, F., Schulz, C., Schneider, J. and Borrmann, S.: Application of an O-ring pinch device as a constant-pressure inlet (CPI) for airborne sampling, Atmospheric Measurement Techniques, 13(7), 3651–3660, doi:10.5194/amt-13-3651-2020, 2020.

Dinger, F. and Platt, U.: Towards an Artificial Carbohydrates Supply on Earth, Frontiers in Sustainability, 4, doi:10.3389/fsufs.2020.00090, 2020.

Nguyen, T. N. T., Kwon, H.-O., Lammel, G., Jung, K.-S., Lee, S.-J. and Choi, S.-D.: Spatially high-resolved monitoring and risk assessment of polycyclic aromatic hydrocarbons in an industrial city, Journal of Hazardous Materials, 393, doi:10.1016/j.jhazmat.2020.122409, 2020.

Lochte, A. A., Schneider, R., Kienast, M., Repschläger, J., Blanz, T., Garbe-Schoenberg, D. and Andersen, N.: Surface and subsurface Labrador Shelf water mass conditions during the last 6000 years, Climate of the past, 16(4), 1127–1143, doi:10.5194/cp-16-1127-2020, 2020.

Slemr, F., Martin, L., Labuschagne, C., Mkololo, T., Angot, H., Magand, O., Dommergue, A., Garat, P., Ramonet, M. and Bieser, J.: Atmospheric mercury in the Southern Hemisphere - Part 1: Trend and inter-annual variations in atmospheric mercury at Cape Point, South Africa, in 2007-2017, and on Amsterdam Island in 2012-2017, Atmospheric Chemistry and Physics, 20(13), 7683–7692, doi:10.5194/acp-20-7683-2020, 2020.

Daniau, A.-L., Desprat, S., Aleman, J. C., Bremond, L., Davis, B., Fletcher, W., Marlon, J. R., Marquer, L., Montade, V., Morales-Molino, C., Naughton, F., Rius, D. and Urrego, D. H.: Corrigendum to “Terrestrial plant microfossils in palaeoenvironmental studies, pollen, microcharcoal and phytolith. Towards a comprehensive understanding of vegetation, fire and climate changes over the past one million years” [Revue de Micropaléontologie 63 (2019) 1–35], Revue de micropaléontologie / Université de Paris 6, Laboratoire de Micropaléontologie, 67, doi:10.1016/j.revmic.2020.100412, 2020.