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Biogenic Potassium Salt Particles as Seeds for Secondary Organic Aerosol in the Amazon

descriptionPublicationkeyboard_double_arrow_right Article 31 Aug 2012 United States, Brazil Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 337, pages 1,075-1,078 (issn: 0036-8075, eissn: 1095-9203,

Authors: Christopher Pöhlker; Kenia Teodoro Wiedemann; Bärbel Sinha; Manabu Shiraiwa; Sachin S. Gunthe; M. L. Smith; Hang Su; +11 Authors

doi: 10.1126/science.1223264

pmid: 22936773

Biogenic Potassium Salt Particles as Seeds for Secondary Organic Aerosol in the Amazon

- Summary
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Abstract

Salty Origins of Fresh Water Cloud droplets above the Amazonian rain forest form mostly around organic aerosols, but the source of the aerosols has been a mystery. Pöhlker et al. (p. 1075 ) report that particles rich in potassium salts emitted by Amazonian vegetation can act as the seeds for the growth of organic aerosol particles that function as condensation nuclei for water droplets. These specks of biogenic salts provide a surface for the condensation of low- or semi-volatile organic compounds formed by the atmospheric oxidation of isoprene and terpenes, molecules produced in great abundance by many kinds of Amazonian plants.

Countries

United States, Brazil

Related Organizations

Universidade de São Paulo
Brazil
Max Planck Society
Germany
University of Arizona
United States
Max Planck Institute for Chemistry
Germany
Indian Institute of Science Education and Research Mohali
India

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Subjects by Vocabulary

Microsoft Academic Graph classification: Mineralogy Rainforest Atmosphere chemistry.chemical_compound Cloud condensation nuclei Precipitation Isoprene Condensation Aerosol chemistry Environmental chemistry Particle

Keywords

Rain, Trees, Particle Size, Multidisciplinary, Atmosphere, South America, Potassium, Particulate Matter, Salts, AEROSSOL

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	174
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	174
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%