The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New-Particle Formation in Beijing
Yan, Chao; Yin, Rujing; Lu, Yiqun; Dada, Lubna; Yang, Dongsen; Fu, Yueyun; Kontkanen, Jenni; Deng, Chenjuan; Garmash, Olga; Ruan, Jiaxin; Baalbaki, Rima; Schervish, Meredith; Cai, Runlong; Bloss, Matthew; Chan, Tommy; Chen, Tianzeng; Chen, Qi; Chen, Xuemeng; Chen, Yan; Chu, Biwu; Dällenbach, Kaspar; Foreback, Benjamin; He, Xucheng; Heikkinen, Liine; Jokinen, Tuija; Junninen, Heikki; Kangasluoma, Juha; Kokkonen, Tom; Kurppa, Mona; Lehtipalo, Katrianne; Li, Haiyan; Li, Hui; Li, Xiaoxiao; Liu, Yiliang; Ma, Qingxin; Paasonen, Pauli; Rantala, Pekka; Pileci, Rosaria E.; Rusanen, Anton; Sarnela, Nina; Simonen, Pauli; Wang, Shixian; Wang, Weigang; Wang, Yonghong; Xue, Mo; Yang, Gan; Yao, Lei; Zhou, Ying; Kujansuu, Joni; Petäjä, Tuukka; Nie, Wei; Ma, Yan; Ge, Maofa; He, Hong; Donahue, Neil M.; Worsnop, Douglas R.; Veli-Matti, K.; Wang, Lin; Liu, Yongchun; Zheng, Jun; Kulmala, Markku; Jiang, Jingkun; Bianchi, Federico (2021)
Yan, Chao
Yin, Rujing
Lu, Yiqun
Dada, Lubna
Yang, Dongsen
Fu, Yueyun
Kontkanen, Jenni
Deng, Chenjuan
Garmash, Olga
Ruan, Jiaxin
Baalbaki, Rima
Schervish, Meredith
Cai, Runlong
Bloss, Matthew
Chan, Tommy
Chen, Tianzeng
Chen, Qi
Chen, Xuemeng
Chen, Yan
Chu, Biwu
Dällenbach, Kaspar
Foreback, Benjamin
He, Xucheng
Heikkinen, Liine
Jokinen, Tuija
Junninen, Heikki
Kangasluoma, Juha
Kokkonen, Tom
Kurppa, Mona
Lehtipalo, Katrianne
Li, Haiyan
Li, Hui
Li, Xiaoxiao
Liu, Yiliang
Ma, Qingxin
Paasonen, Pauli
Rantala, Pekka
Pileci, Rosaria E.
Rusanen, Anton
Sarnela, Nina
Simonen, Pauli
Wang, Shixian
Wang, Weigang
Wang, Yonghong
Xue, Mo
Yang, Gan
Yao, Lei
Zhou, Ying
Kujansuu, Joni
Petäjä, Tuukka
Nie, Wei
Ma, Yan
Ge, Maofa
He, Hong
Donahue, Neil M.
Worsnop, Douglas R.
Veli-Matti, K.
Wang, Lin
Liu, Yongchun
Zheng, Jun
Kulmala, Markku
Jiang, Jingkun
Bianchi, Federico
2021
e2020GL091944
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:tuni-202105054463
https://urn.fi/URN:NBN:fi:tuni-202105054463
Kuvaus
Peer reviewed
Tiivistelmä
Intense and frequent new particle formation (NPF) events have been observed in polluted urban environments, yet the dominant mechanisms are still under debate. To understand the key species and governing processes of NPF in polluted urban environments, we conducted comprehensive measurements in downtown Beijing during January–March, 2018. We performed detailed analyses on sulfuric acid cluster composition and budget, as well as the chemical and physical properties of oxidized organic molecules (OOMs). Our results demonstrate that the fast clustering of sulfuric acid (H2SO4) and base molecules triggered the NPF events, and OOMs further helped grow the newly formed particles toward climate- and health-relevant sizes. This synergistic role of H2SO4, base species, and OOMs in NPF is likely representative of polluted urban environments where abundant H2SO4 and base species usually co-exist, and OOMs are with moderately low volatility when produced under high NOx concentrations.
Kokoelmat
- TUNICRIS-julkaisut [16726]