Aerosol Total Volume Estimation From Wavelength‐ and Size‐Resolved Scattering Coefficient Data: A New Method
Abstract
While the importance of supermicron particles on human health and climate is well recognized, knowledge of their size-related properties remains elusive. Many routine near-surface in situ measurements of aerosol properties include size spectra of submicron particles and aerosol total scattering coefficient at three visible wavelengths and two size cutoffs. These properties are collected, for example, at the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) user facility. Here, we illustrate how these conventional measurements can be used to predict total particle volume (particle size <10 μm). The well-known fact that small and large particles scatter sunlight very differently forms the basis of a new method. Our study demonstrates a good agreement between estimated and measured total volumes for five climate-important locations. The agreement suggests that the new method can be used to predict the total particle volume from the routine data collected at numerous sites around the world.
- Authors:
-
[1];
[1];
[1];
[4];
[5];
[6];
[7];
[1]
- Pacific Northwest National Laboratory Richland WA USA
- Cooperative Institute for Research in the Atmosphere Colorado State University Fort Collins CO USA
- School of Meteorology University of Oklahoma Norman OK USA
- Storm Peak Laboratory Desert Research Institute Steamboat Springs CO USA;Department of Atmospheric Sciences University of Utah Salt Lake City UT USA
- Department of Environmental Toxicology University of California Davis CA USA;Le Labo AE Plan‐les‐Ouates Switzerland
- Department of Environmental Toxicology University of California Davis CA USA
- Brookhaven National Laboratory Upton NY USA
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1664590
- Alternate Identifier(s):
- OSTI ID: 1669118; OSTI ID: 1706592; OSTI ID: 1786788
- Report Number(s):
- PNNL-SA-144953; BNL-220562-2020-JAAM
Journal ID: ISSN 2333-5084; e2019EA000863
- Grant/Contract Number:
- SC0012704; AC05-76RL01830; FG02-11ER65293; DE‐FG02‐11ER65293; DEAC05‐76RL01830
- Resource Type:
- Published Article
- Journal Name:
- Earth and Space Science
- Additional Journal Information:
- Journal Name: Earth and Space Science Journal Volume: 7 Journal Issue: 9; Journal ID: ISSN 2333-5084
- Publisher:
- American Geophysical Union (AGU)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES
Citation Formats
Kassianov, E., Pekour, M. S., Berg, L. K., Chirokova, G., Flynn, C. J., Hallar, A. G., Setyan, A., Zhang, Q., Uin, J., and Fast, J. D. Aerosol Total Volume Estimation From Wavelength‐ and Size‐Resolved Scattering Coefficient Data: A New Method. United States: N. p., 2020.
Web. doi:10.1029/2019ea000863.
Kassianov, E., Pekour, M. S., Berg, L. K., Chirokova, G., Flynn, C. J., Hallar, A. G., Setyan, A., Zhang, Q., Uin, J., & Fast, J. D. Aerosol Total Volume Estimation From Wavelength‐ and Size‐Resolved Scattering Coefficient Data: A New Method. United States. https://doi.org/10.1029/2019ea000863
Kassianov, E., Pekour, M. S., Berg, L. K., Chirokova, G., Flynn, C. J., Hallar, A. G., Setyan, A., Zhang, Q., Uin, J., and Fast, J. D. Tue .
"Aerosol Total Volume Estimation From Wavelength‐ and Size‐Resolved Scattering Coefficient Data: A New Method". United States. https://doi.org/10.1029/2019ea000863.
@article{osti_1664590,
title = {Aerosol Total Volume Estimation From Wavelength‐ and Size‐Resolved Scattering Coefficient Data: A New Method},
author = {Kassianov, E. and Pekour, M. S. and Berg, L. K. and Chirokova, G. and Flynn, C. J. and Hallar, A. G. and Setyan, A. and Zhang, Q. and Uin, J. and Fast, J. D.},
abstractNote = {While the importance of supermicron particles on human health and climate is well recognized, knowledge of their size-related properties remains elusive. Many routine near-surface in situ measurements of aerosol properties include size spectra of submicron particles and aerosol total scattering coefficient at three visible wavelengths and two size cutoffs. These properties are collected, for example, at the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) user facility. Here, we illustrate how these conventional measurements can be used to predict total particle volume (particle size <10 μm). The well-known fact that small and large particles scatter sunlight very differently forms the basis of a new method. Our study demonstrates a good agreement between estimated and measured total volumes for five climate-important locations. The agreement suggests that the new method can be used to predict the total particle volume from the routine data collected at numerous sites around the world.},
doi = {10.1029/2019ea000863},
journal = {Earth and Space Science},
number = 9,
volume = 7,
place = {United States},
year = {Tue Sep 22 00:00:00 EDT 2020},
month = {Tue Sep 22 00:00:00 EDT 2020}
}
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Figures / Tables:
Figure 1: (a) Cumulative percentages for the coarse‐mode fraction (CMF) of two aerosol volumes (CMF_PM10‐1 and CMF_PM10‐2.5) and three total scattering coefficients (CMF_SCA0.45, CMF_SCA0.55, and CMF_SCA0.7) during summer as a function of location (third column). Empty section indicates that the combined volume data are not available. (b) The same asmore »
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Figures / Tables found in this record:
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