Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation

• DOI: 10.1073/pnas.1602360113
• Publication Date: 2016-10-11T17:24:07Z
• Authors: Hamish Gordon; Kamalika Sengupta; Alexandru Rap; Jonathan Duplissy; Carla Frege; Christina Williamson; Martin Heinritzi; Mario Simon; Chao Yan; João Almeida; Jasmin Tröstl; Tuomo Nieminen; Ismael K. Ortega; Robert Wagner; Eimear M. Dunne; Alexey Adamov; Antonio Amorim; Anne-Kathrin Bern...; Federico Bianchi; Martin Breitenlec...; Sophia Brilke; Xuemeng Chen; Jill S. Craven; Antonio Dias; Sebastian Ehrhart; Lukas Fischer; Richard C. Flagan; Alessandro Franchin; Claudia Fuchs; Roberto Guida; Jani Hakala; Christopher R. Hoyle; Tuija Jokinen; Heikki Junninen; Juha Kangasluoma; Jaeseok Kim; Jasper Kirkby; Manuel Krapf; Andreas Kürten; Ari Laaksonen; Katrianne Lehtipalo; Vladimir Makhmutov; Serge Mathot; Ugo Molteni; Sarah A. Monks; Antti Onnela; Otso Peräkylä; Felix Piel; Tuukka Petäjä; Arnaud P. Praplan; Kirsty J. Pringle; Nigel A. D. Richards; Matti P. Rissanen; Linda Rondo; Nina Sarnela; Siegfried Schobes...; Catherine E. Scott; John H. Seinfeld; Sangeeta Sharma; Mikko Sipilä; Gerhard Steiner; Yuri Stozhkov; Frank Stratmann; Antonio Tomé; Annele Virtanen; Alexander Lucas V...; Andrea C. Wagner; Paul E. Wagner; Ernest Weingartner; Daniela Wimmer; Paul M. Winkler; Penglin Ye; Xuan Zhang; Armin Hansel; Josef Dommen; Neil M. Donahue; Douglas R. Worsnop; Urs Baltensperger; Markku Kulmala; Joachim Curtius; Kenneth S. Carslaw
• Keywords: 550; aerosol; FORMATION EVENTS; IMPACT; Climate; 551; History, 18th Century; 01 natural sciences; SULFURIC-ACID; ATMOSPHERIC PARTICLES; BIOGENIC; SDG 13 - Climate Action; Industrial Development; EMISSIONS; Air Pollutants; [SPI.FLUID]Engineering Sciences [physics]/Reactive fluid environment; Uncertainty; AEROSOL; History, 19th Century; FOREST; SDG 13 – Maßnahmen zum Klimaschutz; SDG 9 - Industry; NUCLEATION; 103039 Aerosol physics; History, 21st Century; [SPI.AUTO]Engineering Sciences [physics]/Automatic; forcing; SECONDARY ORGANIC AEROSOL; GLOBAL CCN; Humans; Computer Simulation; 103039 Aerosolphysik; Innovation; climate; Aerosol; 0105 earth and related environmental sciences; Aerosols; Models, Statistical; Atmosphere; FORCING; CLIMATE MODEL; History, 20th Century; CLIMATE; 13. Climate action; 103037 Environmental physics; and Infrastructure; Biogenic; Forcing; biogenic; 103037 Umweltphysik

Significance A mechanism for the formation of atmospheric aerosols via the gas to particle conversion of highly oxidized organic molecules is found to be the dominant aerosol formation process in the preindustrial boundary layer over land. The inclusion of this process in a global aerosol model raises baseline preindustrial aerosol concentrations and could lead to a reduction of 27% in estimates of anthropogenic aerosol radiative forcing.