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Title: Developing and diagnosing climate change indicators of regional aerosol optical properties

Abstract

Given the importance of aerosol particles to radiative transfer via aerosol-radiation interactions, a methodology for tracking and diagnosing causes of temporal changes in regional-scale aerosol populations is illustrated. The aerosol optical properties tracked include estimates of total columnar burden (aerosol optical depth, AOD), dominant size mode (Angstrom exponent, AE), and relative magnitude of radiation scattering versus absorption (single scattering albedo, SSA), along with metrics of the structure of the spatial field of these properties. Over well-defined regions of North America, there are generally negative temporal trends in mean and extreme AOD, and SSA. These are consistent with lower aerosol burdens and transition towards a relatively absorbing aerosol, driven primarily by declining sulfur dioxide emissions. Conversely, more remote regions are characterized by increasing mean and extreme AOD that is attributed to increased local wildfire emissions and long-range (transcontinental) transport. Regional and national reductions in anthropogenic emissions of aerosol precursors are leading to declining spatial autocorrelation in the aerosol fields and increased importance of local anthropogenic emissions in dictating aerosol burdens. However, synoptic types associated with high aerosol burdens are intensifying (becoming more warm and humid), and thus changes in synoptic meteorology may be offsetting aerosol burden reductions associated with emissions legislation.

Authors:
ORCiD logo [1];  [2];  [2]; ORCiD logo [3]
  1. Cornell Univ., Ithaca, NY (United States). Dept. of Earth and Atmospheric Sciences; Argonne National Lab. (ANL), Argonne, IL (United States). Environmental Science Division
  2. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  3. Cornell Univ., Ithaca, NY (United States). Dept. of Earth and Atmospheric Sciences; Indiana Univ., Bloomington, IN (United States). Pervasive Technology Inst.
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Aeronautic and Space Administration (NASA)
OSTI Identifier:
1466336
Grant/Contract Number:  
AC02-06CH11357; NNX14AP56H; NNX16AG31G
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Sullivan, Ryan C., Levy, Robert C., da Silva, Arlindo M., and Pryor, Sara C. Developing and diagnosing climate change indicators of regional aerosol optical properties. United States: N. p., 2017. Web. doi:10.1038/s41598-017-18402-x.
Sullivan, Ryan C., Levy, Robert C., da Silva, Arlindo M., & Pryor, Sara C. Developing and diagnosing climate change indicators of regional aerosol optical properties. United States. doi:10.1038/s41598-017-18402-x.
Sullivan, Ryan C., Levy, Robert C., da Silva, Arlindo M., and Pryor, Sara C. Fri . "Developing and diagnosing climate change indicators of regional aerosol optical properties". United States. doi:10.1038/s41598-017-18402-x. https://www.osti.gov/servlets/purl/1466336.
@article{osti_1466336,
title = {Developing and diagnosing climate change indicators of regional aerosol optical properties},
author = {Sullivan, Ryan C. and Levy, Robert C. and da Silva, Arlindo M. and Pryor, Sara C.},
abstractNote = {Given the importance of aerosol particles to radiative transfer via aerosol-radiation interactions, a methodology for tracking and diagnosing causes of temporal changes in regional-scale aerosol populations is illustrated. The aerosol optical properties tracked include estimates of total columnar burden (aerosol optical depth, AOD), dominant size mode (Angstrom exponent, AE), and relative magnitude of radiation scattering versus absorption (single scattering albedo, SSA), along with metrics of the structure of the spatial field of these properties. Over well-defined regions of North America, there are generally negative temporal trends in mean and extreme AOD, and SSA. These are consistent with lower aerosol burdens and transition towards a relatively absorbing aerosol, driven primarily by declining sulfur dioxide emissions. Conversely, more remote regions are characterized by increasing mean and extreme AOD that is attributed to increased local wildfire emissions and long-range (transcontinental) transport. Regional and national reductions in anthropogenic emissions of aerosol precursors are leading to declining spatial autocorrelation in the aerosol fields and increased importance of local anthropogenic emissions in dictating aerosol burdens. However, synoptic types associated with high aerosol burdens are intensifying (becoming more warm and humid), and thus changes in synoptic meteorology may be offsetting aerosol burden reductions associated with emissions legislation.},
doi = {10.1038/s41598-017-18402-x},
journal = {Scientific Reports},
number = 1,
volume = 7,
place = {United States},
year = {2017},
month = {12}
}

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    Works referencing / citing this record:

    Analysis of daily, monthly, and annual burned area using the fourth-generation global fire emissions database (GFED4): ANALYSIS OF BURNED AREA
    journal, March 2013

    • Giglio, Louis; Randerson, James T.; van der Werf, Guido R.
    • Journal of Geophysical Research: Biogeosciences, Vol. 118, Issue 1
    • DOI: 10.1002/jgrg.20042

    Rotation of principal components
    journal, January 1986


    Synoptic conditions favouring the occurrence of aerosol episodes over the broader Mediterranean basin
    journal, November 2011

    • Gkikas, A.; Houssos, E. E.; Hatzianastassiou, N.
    • Quarterly Journal of the Royal Meteorological Society, Vol. 138, Issue 665
    • DOI: 10.1002/qj.978

    The semivariogram in remote sensing: An introduction
    journal, April 1988


    Spatiotemporal coherence of mean and extreme aerosol particle events over eastern North America as observed from satellite
    journal, July 2015


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    journal, February 2014

    • Ehn, Mikael; Thornton, Joel A.; Kleist, Einhard
    • Nature, Vol. 506, Issue 7489
    • DOI: 10.1038/nature13032

    Occurrence and persistence of future atmospheric stagnation events
    journal, June 2014

    • Horton, Daniel E.; Skinner, Christopher B.; Singh, Deepti
    • Nature Climate Change, Vol. 4, Issue 8
    • DOI: 10.1038/nclimate2272

    Warming-induced increase in aerosol number concentration likely to moderate climate change
    journal, April 2013

    • Paasonen, Pauli; Asmi, Ari; Petäjä, Tuukka
    • Nature Geoscience, Vol. 6, Issue 6
    • DOI: 10.1038/ngeo1800

    Attribution of the United States “warming hole”: Aerosol indirect effect and precipitable water vapor
    journal, November 2014

    • Yu, Shaocai; Alapaty, Kiran; Mathur, Rohit
    • Scientific Reports, Vol. 4, Issue 1
    • DOI: 10.1038/srep06929

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    journal, August 2012

    • Hansen, J.; Sato, M.; Ruedy, R.
    • Proceedings of the National Academy of Sciences, Vol. 109, Issue 37
    • DOI: 10.1073/pnas.1205276109

    Air Quality and Climate Connections
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    • Fiore, Arlene M.; Naik, Vaishali; Leibensperger, Eric M.
    • Journal of the Air & Waste Management Association, Vol. 65, Issue 6
    • DOI: 10.1080/10962247.2015.1040526

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    • Levy, R. C.; Remer, L. A.; Kleidman, R. G.
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    • DOI: 10.5194/acp-10-10399-2010

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    journal, January 2012

    • Leibensperger, E. M.; Mickley, L. J.; Jacob, D. J.
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    • DOI: 10.5194/acp-12-3333-2012

    Climatic effects of 1950–2050 changes in US anthropogenic aerosols – Part 2: Climate response
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    • Leibensperger, E. M.; Mickley, L. J.; Jacob, D. J.
    • Atmospheric Chemistry and Physics, Vol. 12, Issue 7
    • DOI: 10.5194/acp-12-3349-2012

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    • Hsu, N. C.; Gautam, R.; Sayer, A. M.
    • Atmospheric Chemistry and Physics, Vol. 12, Issue 17
    • DOI: 10.5194/acp-12-8037-2012

    Response of fine particulate matter concentrations to changes of emissions and temperature in Europe
    journal, January 2013

    • Megaritis, A. G.; Fountoukis, C.; Charalampidis, P. E.
    • Atmospheric Chemistry and Physics, Vol. 13, Issue 6
    • DOI: 10.5194/acp-13-3423-2013

    Multi-decadal aerosol variations from 1980 to 2009: a perspective from observations and a global model
    journal, January 2014


    Using the OMI aerosol index and absorption aerosol optical depth to evaluate the NASA MERRA Aerosol Reanalysis
    journal, January 2015

    • Buchard, V.; da Silva, A. M.; Colarco, P. R.
    • Atmospheric Chemistry and Physics, Vol. 15, Issue 10
    • DOI: 10.5194/acp-15-5743-2015

    Aerosol optical properties in the southeastern United States in summer – Part 2: Sensitivity of aerosol optical depth to relative humidity and aerosol parameters
    journal, January 2016

    • Brock, Charles A.; Wagner, Nicholas L.; Anderson, Bruce E.
    • Atmospheric Chemistry and Physics, Vol. 16, Issue 8
    • DOI: 10.5194/acp-16-5009-2016

    Impacts of the July 2012 Siberian fire plume on air quality in the Pacific Northwest
    journal, January 2017

    • Teakles, Andrew D.; So, Rita; Ainslie, Bruce
    • Atmospheric Chemistry and Physics, Vol. 17, Issue 4
    • DOI: 10.5194/acp-17-2593-2017

    A review of measurement-based assessments of the aerosol direct radiative effect and forcing
    journal, January 2006

    • Yu, H.; Kaufman, Y. J.; Chin, M.
    • Atmospheric Chemistry and Physics, Vol. 6, Issue 3
    • DOI: 10.5194/acp-6-613-2006

    Sensitivity of PM<sub>2.5</sub> to climate in the Eastern US: a modeling case study
    journal, January 2007

    • Dawson, J. P.; Adams, P. J.; Pandis, S. N.
    • Atmospheric Chemistry and Physics, Vol. 7, Issue 16
    • DOI: 10.5194/acp-7-4295-2007