Session 6 Advances in observational and modeling studies of role of mineral dust in the Earth system: Part I

Wednesday, 15 January 2020: 8:30 AM-10:00 AM
208 (Boston Convention and Exhibition Center)
Host: 12th Symposium on Aerosol - Cloud - Climate Interactions
Cochairs:
Bing Pu, University of Kansas, Geography and Atmospheric Science, Lawrence, KS; Hongbin Yu, NASA Goddard Space Flight Center, Greenbelt, MD; Xiaohong Liu, Univ. of Wyoming, Atmospheric Science, Laramie, WY and Zhibo Zhang, Univ. of Maryland, Baltimore County, Physics Department, Baltimore, MD

Dust aerosols play important roles in the Earth system by degrading air quality, influencing weather systems, perturbing radiation budget, modulating biogeochemical cycles, and affecting the climate. Assessing these impacts requires realistic and accurate characterization of dust emissions, particle properties, and transport. This session invites presentations that report the latest advances in modeling and observational studies of dust characterization and impacts on various components of the Earth system, including but not limited to: (1) in situ and remote sensing characterizations of the properties and distributions of dust; (2) quantifying dust emission and transport using observations and models; (3) dust variability in association with climate variability and anthropogenic activities on various time scales; (4) effects of dust aerosols on radiation budget and cloud microphysics; (5) interactions of dust with regional climate and global biogeochemical cycle; and (6) novel use of observations to constrain dust modeling.

Papers:
8:30 AM
6.1
Large Variability of Springtime African Dust in Recent Decades: A Consistent Characterization from Multiple Remote Sensing Observations
Hongbin Yu, NASA GSFC, Greenbelt, MD; and T. Yuan, H. Bian, M. Chin, Q. Tan, Z. Zhang, and P. Ginoux

8:45 AM
6.2
Predictability of Extreme Dust Events in South Florida
Samantha Kramer, RSMAS, Miami, FL; and B. Kirtman, P. Zuidema, and F. Ngan

9:00 AM
6.3
A New Retrieval Algorithm of the Thermal Infrared Optical Depth of Dust based on the Combined CALIOP and IIR Observations
Jianyu Zheng, University of Maryland, Baltimore County, Baltimore, MD; and Z. Zhang, A. Garnier, H. Yu, P. Dubuisson, and J. Pelon

9:15 AM
6.4
Advances and Limitations of Nighttime Dust Aerosol Optical Depth Retrieval Using VIIRS Day-Night Band
Jared W. Marquis, Univ. of North Dakota, Grand Forks, ND; and J. Zhang, S. D. Miller, S. Jaker, J. S. Reid, and A. Barreto

9:30 AM
6.5
Does Mineral Dust Fertilize the Amazon Basin and the Atlantic Ocean? (Invited Presentation)
Cassandra J. Gaston, RSMAS, MIAMI, FL; and A. E. Barkley, J. M. Prospero, N. Mahowald, D. S. Hamilton, K. J. Popendorf, A. M. Oehlert, A. Pourmand, A. Gatineau, K. Panechou, and P. Blackwelder

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