Real-Time detection and mixing state of methanesulfonate in single particles at an inland urban location during a phytoplankton bloom

Environmental Science & Technology
Cassandra I GastonKimberly A Prather

Abstract

Dimethyl sulfide (DMS), produced by oceanic phytoplankton, is oxidized to form methanesulfonic acid (MSA) and sulfate, which influence particle chemistry and hygroscopicity. Unlike sulfate, MSA has no known anthropogenic source making it a useful tracer for ocean-derived biogenic sulfur. Despite numerous observations of MSA, predominately in marine environments, the production pathways of MSA have remained elusive highlighting the need for additional measurements, particularly at inland locations. During the Study of Organic Aerosols in Riverside, CA from July-August 2005, MSA was detected in submicrometer and supermicrometer particles using real-time, single-particle mass spectrometry. MSA was detected due to blooms of DMS-producing organisms along the California coast. The detection of MSA depended on both the origin of the sampled air mass as well as the concentration of oceanic chlorophyll present. MSA was mainly mixed with coastally emitted particle types implying that partitioning of MSA occurred before transport to Riverside. Importantly, particles containing vanadium had elevated levels of MSA compared to particles not containing vanadium, suggesting a possible catalytic role of vanadium in MSA formation. This study dem...Continue Reading

References

Dec 19, 2002·Environmental Science & Technology·Prakash V BhaveKimberly A Prather
Mar 9, 2006·Chemical Reviews·Ian BarnesNikos Mihalopoulos
Mar 11, 2008·Applied and Environmental Microbiology·Xavier MayaliFarooq Azam
Mar 21, 2008·Environmental Science & Technology·Jennifer M KeyAnne M Johansen
Jun 24, 2009·Environmental Science & Technology·Andrew P AultKimberly A Prather
Nov 21, 2009·Environmental Science & Technology·Kerri A Pratt, Kimberly A Prather
Feb 13, 2010·Environmental Science & Technology·Andrew P AultKimberly A Prather

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Citations

Oct 24, 2012·Proceedings of the National Academy of Sciences of the United States of America·Matthew L DawsonBarbara J Finlayson-Pitts
Oct 21, 2015·Proceedings of the National Academy of Sciences of the United States of America·Véronique PerraudBarbara J Finlayson-Pitts
Sep 29, 2015·Journal of Geophysical Research. Atmospheres : JGR·Armin SorooshianRoy K Woods
Sep 18, 2015·The Journal of Physical Chemistry. B·Haihan ChenBarbara J Finlayson-Pitts
Oct 1, 2011·Environmental Microbiology·Hyunwoo LeeYeong Du Yoo
Aug 26, 2014·Analytical and Bioanalytical Chemistry·Robert M HealyJohn C Wenger
Jan 25, 2017·Environmental Science & Technology·Kristine D ArqueroBarbara J Finlayson-Pitts
May 6, 2015·Physical Chemistry Chemical Physics : PCCP·Haihan ChenBarbara J Finlayson-Pitts
Oct 14, 2017·Physical Chemistry Chemical Physics : PCCP·Kristine D ArqueroBarbara J Finlayson-Pitts
Nov 28, 2017·Physical Chemistry Chemical Physics : PCCP·Jing XuR Benny Gerber
Dec 31, 2020·ACS Central Science·Kathryn J MayerKimberly A Prather
Apr 4, 2015·Environmental Science & Technology·Cassandra J GastonKimberly A Prather

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