Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO

Shawon, Abu Sayeed Md; Aiken, Allison; Benedict, Katherine

doi:10.5439/2228932

Title: Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO

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Abstract

We deployed a Wideband Integrated Bioaerosol Sensor (WIBS-Neo, DMT) to measure different properties of fluorescent bioaerosol particles (FBAP) during SAIL. Our measurements were collected at the supplementary site on Crested Butte Mountain from inside the ARM Aerosol Observing System (AOS) sampling from the AOS inlet. We had two deployment periods at SAIL during biologically active seasons: summer 2022 (15 June 2022 - 13 September 2022) and spring 2023 (21 March 2023 - 19 June 2023). The WIBS is an online single-particle measurement that detects FBAPs (within a size range of 0.5 - 30 microns in diameter) based on the excitation and emission wavelengths of the individual particles. Using two xenon lamps, the WIBS excites FBAPs at 280 nm and 370 nm. Their emission is detected across two wavebands of 310-400 nm and 420-650 nm. We classified the FBAPs into seven different categories (A, B, C, AB, BC, AC, and ABC) using the classification scheme in Perring et. al. (2015) [1]. Here, we report one-minute averaged number concentration of FBAPs (total and by category) and NFBAPs. We also present one-minute-averaged size distributions and the asymmetry factor (AF, a surrogate for shape) of all FBAPs and NFBAPs. The logarithmic bin width of themore »« less

Authors:

;

ORNL

Publication Date:: Thu Dec 07 04:00:00 UTC 2023

DOE Contract Number:: AC05-00OR22725

Research Org.:: Atmospheric Radiation Measurement (ARM) Archive, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (US); ARM Data Center, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Biological and Environmental Research (BER)

Collaborations:: PNNL, BNL, ANL, ORNL

Subject:: 54 ENVIRONMENTAL SCIENCES; Atmosphere; Wideband Integrated Bioaerosol Sensor

OSTI Identifier:: 2228932

DOI:: https://doi.org/10.5439/2228932

Citation Formats


                    Shawon, Abu Sayeed Md, Aiken, Allison, and Benedict, Katherine. Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO.  United States: N. p., 2023. 
        Web.  doi:10.5439/2228932.

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                    Shawon, Abu Sayeed Md, Aiken, Allison, & Benedict, Katherine. Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO.  United States.  doi:https://doi.org/10.5439/2228932

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                    Shawon, Abu Sayeed Md, Aiken, Allison, and Benedict, Katherine. 2023.  
"Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO".  United States.  doi:https://doi.org/10.5439/2228932.  https://www.osti.gov/servlets/purl/2228932. Pub date:Thu Dec 07 04:00:00 UTC 2023

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@article{osti_2228932,

  title        = {Bioaerosol Properties using WIBS from SAIL on Mt. Crested Butte, CO},

  author       = {Shawon, Abu Sayeed Md and Aiken, Allison and Benedict, Katherine},

  abstractNote = {We deployed a Wideband Integrated Bioaerosol Sensor (WIBS-Neo, DMT) to measure different properties of fluorescent bioaerosol particles (FBAP) during SAIL. Our measurements were collected at the supplementary site on Crested Butte Mountain from inside the ARM Aerosol Observing System (AOS) sampling from the AOS inlet. We had two deployment periods at SAIL during biologically active seasons: summer 2022 (15 June 2022 - 13 September 2022) and spring 2023 (21 March 2023 - 19 June 2023). The WIBS is an online single-particle measurement that detects FBAPs (within a size range of 0.5 - 30 microns in diameter) based on the excitation and emission wavelengths of the individual particles. Using two xenon lamps, the WIBS excites FBAPs at 280 nm and 370 nm. Their emission is detected across two wavebands of 310-400 nm and 420-650 nm. We classified the FBAPs into seven different categories (A, B, C, AB, BC, AC, and ABC) using the classification scheme in Perring et. al. (2015) [1]. Here, we report one-minute averaged number concentration of FBAPs (total and by category) and NFBAPs. We also present one-minute-averaged size distributions and the asymmetry factor (AF, a surrogate for shape) of all FBAPs and NFBAPs. The logarithmic bin width of the size bins is the same as the average bin width of the AOS's optical particle counter (OPC, Grimm) for the range of sizes in which they overlap (26 bins from 0.5 - 30 microns). AF of the particles ranges from 0-100 and is divided into five bins with a linear spacing at increments of 20. The smallest AF bin represents more spherical particles while the largest bin represents more rod-shaped particles. We recommend referring to the readme file for more details of the variables present in the files. [1] Perring, A. E., et al. (2015), Airborne observations of regional variation in fluorescent aerosol across the United States, J. Geophys. Res. Atmos., 120, 1153-1170, doi:10.1002/2014JD022495. Abstract and description of the campaign can be found here: https://www.arm.gov/research/cam},

  doi          = {10.5439/2228932},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Dec 07 04:00:00 UTC 2023},

  month        = {Thu Dec 07 04:00:00 UTC 2023}

}

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DOI: https://doi.org/10.5439/2228932

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