Hasenecz, Elias S.; Jayarathne, Thilina; Pendergraft, Matthew A.; Santander, Mitchell V.; Mayer, Kathryn J.; Sauer, Jon; Lee, Christopher; Gibson, Wyeth S.; Kruse, Samantha M.; Malfatti, Francesca; Prather, Kimberly A.; Stone, Elizabeth A. (2020). Data from: Marine Bacteria Affect Saccharide Enrichment in Sea Spray Aerosol During a Phytoplankton Bloom. In Center for Aerosol Impacts on Chemistry of the Environment (CAICE). UC San Diego Library Digital Collections. https://doi.org/10.6075/J0R20ZW6

Publication abstract: Saccharides are a large class of organic matter in sea spray aerosol (SSA) that can impact climate-relevant properties of SSA including hygroscopicity. In seawater, saccharides are produced, exuded, and consumed by phytoplankton and bacteria. However, how heterotrophic bacteria (HB) affect the concentrations of saccharides in seawater and ultimately the composition of SSA were not directly measured in previous experiments. Herein, we added HB to a microcosm to examine how they affect the composition and size of saccharides in seawater and SSA during a phytoplankton bloom. Enrichment factors (EF) between seawater and SSA for saccharides were composition and size-dependent, ranging 100-930,000 in submicron SSA and 38-3700 in supermicron SSA. For glucose, EF increased 30-fold in submicron SSA within a day after HB addition, coincident with increased enzyme activity that indicates increased processing of glucose-containing polysaccharides increased their enrichment in SSA. In contrast, a 20-fold increase in arabinose EF in supermicron SSA lagged behind the HB addition and peak enzyme activity by two days, while EFs of xylose in SSA remained relatively consistent. Together, these observations reflect HB impact saccharide EFs based on composition. For two similar phytoplankton blooms, elevated HB increased saccharide EFs in SSA by 10-fold or more; our data show that HB modified the existing saccharide pool that selectively modified the enrichment of saccharides in SSA. Better understanding the chemical, biological, and physical factors that contribute to the large enrichment of saccharides in SSA will advance our ability to predict the roles of SSA in our planet’s climate.

This package contains 7 data files containing data needed to reproduce the figures/ results/ conclusions found in the manuscript. It contains 7 corresponding data dictionary files for each data file.

• Time period of project: 2018-06-01 to 2020-06-01

• 2020

• Hasenecz, Elias S.

• Gibson, Wyeth S.
• Hasenecz, Elias S.
• Jayarathne, Thilina
• Kruse, Samantha M.
• Lee, Christopher
• Malfatti, Francesca
• Mayer, Kathryn J.
• Pendergraft, Matthew A.
• Prather, Kimberly A.
• Santander, Mitchell V.
• Sauer, Jon
• Stone, Elizabeth A.

• Stone, Elizabeth A.

• Aerosols
• Carbohydrates
• Enrichment
• Heterotrophic bacteria
• Microcosm
• Organic
• Phytoplankton bloom
• Sea spray aerosols

• data
• text

• No linguistic content; Not applicable

Doi: https://doi.org/10.6075/J0R20ZW6

Primary associated publication

• Elias S. Hasenecz, Thilina Jayarathne, Matthew A. Pendergraft, Mitchell V. Santander, Kathryn J. Mayer, Jon Sauer, Christopher Lee, Wyeth S. Gibson, Samantha M. Kruse, Francesca Malfatti, Kimberly A. Prather, and Elizabeth A. Stone. Marine Bacteria Affect Saccharide Enrichment in Sea Spray Aerosol during a Phytoplankton Bloom. ACS Earth Space Chem. 2020, 4, 9, 1638–1649. https://doi.org/10.1021/acsearthspacechem.0c00167

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2022-11-28