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Description
The effects of atmospherically relevant heterogenous aging on ambient nascent sea spray aerosols (nSSA) physicochemical properties, such as morphology, composition, phase state, water uptake and their size-dependent particle-to-particle variability remained poorly understood. Thus, current study investigates these physicochemical properties, by focusing on heterogeneously aged SSA (hetSSA, size range of 0.1−0.6 μm) generated during a mesocosm study. The hetSSA were generated by exposing nSSA to OH radicals with 4-5 days of atmospheric time-equivalent aging. Filter-based thermal optical analysis, atomic force microscopy (AFM), and AFM photothermal infrared spectroscopy (AFM-PTIR) were utilized. Results collected on hetSSA physicochemical properties were compared with nSSA, collected during the same study. Filter-based measurements Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Kaluarachchi, Chathuri P.; Or, Victor W.; Lan, Yiling; Hasenecz, Elias S.; Kim, Deborah; Madawala, Chamika K.; Dorce, Glorianne; Mayer, Kathryn J.; Sauer, Jonathan S.; Lee, Christopher; Cappa, Christopher D.; Bertram, Timothy H.; Stone, Elizabeth A.; Grassian, Vicki H.; Tivanski, Alexei V. (2023). Data from: The effects of atmospheric heterogeneous aging on nascent sea spray aerosols physicochemical properties. In Center for Aerosol Impacts on Chemistry of the Environment (CAICE). UC San Diego Library Digital Collections. https://doi.org/10.6075/J09S1R6B This package contains an explanatory readme file and the data used to generate figures for "The effects of atmospheric heterogeneous aging on nascent sea spray aerosols physicochemical properties".
Type
dataset
Identifier
ark:/20775/bb38332327
Language
English
Subject
Composition Size dependent morphology and phase states Single particle studies Water uptake Primary sea spray aerosols
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