Climate response and radiative forcing from mineral aerosols during the last glacial maximum pre-industrial, current and doubled-carbon dioxide climates

Mineral aerosol impacts on climate through radiative forcing by natural dust sources are examined in the current, last glacial maximum, pre-industrial and doubled-carbon dioxide climate. Modeled globally averaged dust loadings change by +88%, +31% and -60% in the last glacial maximum, pre-industrial and future climates, respectively, relative to the current climate. Model results show globally averaged dust radiative forcing at the top of atmosphere is -1.0, -0.4 and +0.14 W/m² for the last glacial maximum, pre-industrial and doubled-carbon dioxide climates, respectively, relative to the current climate. Globally averaged surface temperature changed by -0.85, -0.22, and +0.06 °C relative to the current climate in the last glacial maximum, pre-industrial and doubled carbon dioxide climates, respectively, due solely to the dust radiative forcing changes simulated here. These simulations only include natural dust source response to climate change, and neglect possible impacts by human land and water use.

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Copyright 2006 American Geophysical Union.


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Author Mahowald, Natalie
Yoshioka, Masaru
Collins, William
Conley, Andrew
Fillmore, David
Coleman, Danielle
Publisher UCAR/NCAR - Library
Publication Date 2006-10-27T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:38:37.182832
Metadata Record Identifier edu.ucar.opensky::articles:7047
Metadata Language eng; USA
Suggested Citation Mahowald, Natalie, Yoshioka, Masaru, Collins, William, Conley, Andrew, Fillmore, David, Coleman, Danielle. (2006). Climate response and radiative forcing from mineral aerosols during the last glacial maximum pre-industrial, current and doubled-carbon dioxide climates. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7vt1sdf. Accessed 11 February 2025.

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