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@ARTICLE{Kourtchev:828162,
      author       = {Kourtchev, Ivan and Giorio, Chiara and Manninen, Antti and
                      Wilson, Eoin and Mahon, Brendan and Aalto, Juho and Kajos,
                      Maija and Venables, Dean and Ruuskanen, Taina and Levula,
                      Janne and Loponen, Matti and Connors, Sarah and Harris, Neil
                      and Zhao, Defeng and Kiendler-Scharr, Astrid and Mentel,
                      Thomas F. and Rudich, Yinon and Hallquist, Mattias and
                      Doussin, Jean-Francois and Maenhaut, Willy and Bäck, Jaana
                      and Petäjä, Tuukka and Wenger, John and Kulmala, Markku
                      and Kalberer, Markus},
      title        = {{E}nhanced {V}olatile {O}rganic {C}ompounds emissions and
                      organic aerosol mass increase the oligomer content of
                      atmospheric aerosols},
      journal      = {Scientific reports},
      volume       = {6},
      number       = {1},
      issn         = {2045-2322},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2017-02130},
      pages        = {35038},
      year         = {2016},
      abstract     = {Secondary organic aerosol (SOA) accounts for a dominant
                      fraction of the submicron atmospheric particle mass, but
                      knowledge of the formation, composition and climate effects
                      of SOA is incomplete and limits our understanding of overall
                      aerosol effects in the atmosphere. Organic oligomers were
                      discovered as dominant components in SOA over a decade ago
                      in laboratory experiments and have since been proposed to
                      play a dominant role in many aerosol processes. However, it
                      remains unclear whether oligomers are relevant under ambient
                      atmospheric conditions because they are often not clearly
                      observed in field samples. Here we resolve this
                      long-standing discrepancy by showing that elevated SOA mass
                      is one of the key drivers of oligomer formation in the
                      ambient atmosphere and laboratory experiments. We show for
                      the first time that a specific organic compound class in
                      aerosols, oligomers, is strongly correlated with cloud
                      condensation nuclei (CCN) activities of SOA particles. These
                      findings might have important implications for future
                      climate scenarios where increased temperatures cause higher
                      biogenic volatile organic compound (VOC) emissions, which in
                      turn lead to higher SOA mass formation and significant
                      changes in SOA composition. Such processes would need to be
                      considered in climate models for a realistic representation
                      of future aerosol-climate-biosphere feedbacks.},
      cin          = {IEK-8},
      ddc          = {000},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243)},
      pid          = {G:(DE-HGF)POF3-243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000385536300001},
      pubmed       = {pmid:27733773},
      doi          = {10.1038/srep35038},
      url          = {https://juser.fz-juelich.de/record/828162},
}