scholarly journals Size distribution, shape, and composition of mineral dust aerosols collected during the African Monsoon Multidisciplinary Analysis Special Observation Period 0: Dust and Biomass-Burning Experiment field campaign in Niger, January 2006

2008 ◽  
Vol 113 ◽  
Author(s):  
Cédric Chou ◽  
Paola Formenti ◽  
Michel Maille ◽  
Patrick Ausset ◽  
Günter Helas ◽  
...  
Keyword(s):  
Size Distribution ◽  
Biomass Burning ◽  
Mineral Dust ◽  
Field Campaign ◽  
African Monsoon ◽  
Dust Aerosols ◽  
Multidisciplinary Analysis ◽  
Distribution Shape ◽  
Observation Period ◽  
Mineral Dust Aerosols

scholarly journals Does the size distribution of mineral dust aerosols depend on the wind speed at emission?

2011 ◽  
Vol 11 (19) ◽  
pp. 10149-10156 ◽  
Author(s):  
J. F. Kok
Keyword(s):  
Wind Speed ◽  
Size Distribution ◽  
Mineral Dust ◽  
Dust Emission ◽  
Theoretical Models ◽  
Dust Deposition ◽  
Dust Aerosols ◽  
Wind Speeds ◽  
Dust Size Distribution ◽  
Mineral Dust Aerosols

Abstract. The size distribution of mineral dust aerosols partially determines their interactions with clouds, radiation, ecosystems, and other components of the Earth system. Several theoretical models predict that the dust size distribution depends on the wind speed at emission, with larger wind speeds predicted to produce smaller aerosols. The present study investigates this prediction using a compilation of published measurements of the size-resolved vertical dust flux emitted by eroding soils. Surprisingly, these measurements indicate that the size distribution of naturally emitted dust aerosols is independent of the wind speed. The recently formulated brittle fragmentation theory of dust emission is consistent with this finding, whereas other theoretical models are not. The independence of the emitted dust size distribution with wind speed simplifies both the interpretation of geological records of dust deposition and the parameterization of dust emission in atmospheric circulation models.

scholarly journals Does the size distribution of mineral dust aerosols depend on the wind speed at emission?

2011 ◽  
Vol 11 (7) ◽  
pp. 19995-20012 ◽  
Author(s):  
J. F. Kok
Keyword(s):  
Wind Speed ◽  
Size Distribution ◽  
Mineral Dust ◽  
Dust Emission ◽  
Dust Deposition ◽  
Dust Aerosols ◽  
Wind Speeds ◽  
Dust Size Distribution ◽  
Emission Models ◽  
Mineral Dust Aerosols

Abstract. The size distribution of mineral dust aerosols greatly affects their interactions with clouds, radiation, ecosystems, and other components of the Earth system. Several theoretical dust emission models predict that the dust size distribution depends on the wind speed at emission, with larger wind speeds predicted to produce smaller aerosols. The present study investigates this prediction using a compilation of published measurements of the size-resolved vertical dust flux emitted by eroding soils. Surprisingly, these measurements indicate that the size distribution of naturally emitted dust aerosols is independent of the wind speed. This finding is consistent with the recently formulated brittle fragmentation theory of dust emission, but inconsistent with other theoretical dust emission models. The independence of the emitted dust size distribution with wind speed simplifies both the parameterization of dust emission in atmospheric circulation models as well as the interpretation of geological records of dust deposition.

scholarly journals Modelling lidar-relevant optical properties of complex mineral dust aerosols

Tellus B ◽  
2011 ◽  
Vol 63 (4) ◽  
pp. 725-741 ◽  
Author(s):  
Josef Gasteiger ◽  
Matthias Wiegner ◽  
Silke Groß ◽  
Volker Freudenthaler ◽  
Carlos Toledano ◽  
...  
Keyword(s):  
Optical Properties ◽  
Mineral Dust ◽  
Dust Aerosols ◽  
Mineral Dust Aerosols
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