Vertical Variability in morphology, chemistry and optical properties of the transported Saharan air layer measured from Cape Verde and the Caribbean

The structural properties of the Saharan air layer (SAL) including chemical, morphological and optical properties were measured during the Saharan Aerosol Longrange TRansport and Aerosol Cloud interaction Experiment (SALTRACE- June/July 2013). Flight measurements were done from Cape Verde and the Ca...

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Published in:Royal Society open science 2024-11, Vol.11 (11), p.231433-29
Main Authors: Aryasree, Sudharaj, Kandler, Konrad, Benker, Natalie, Walser, Adrian, Tipka, Anne, Dollner, Maximillian, Seibert, Petra, Weinzierl, Bernadett
Format: Article
Language:English
Subjects:
Absorption
Aerosols
Albedo
Aspect ratio
Capes (landforms)
Chemical composition
Datasets
Dust
dust imaginary refractive index
dust mineralogy
Earth and Environmental Science
Electromagnetic absorption
Experiments
Iron
Iron oxides
Mineralogy
Morphology
Optical properties
particle settling velocity
Particle size
Refractivity
Regional differences
Saharan dust transport
silicate/sulphate mixing
single scattering albedo
Size distribution
Statistical analysis
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Summary:The structural properties of the Saharan air layer (SAL) including chemical, morphological and optical properties were measured during the Saharan Aerosol Longrange TRansport and Aerosol Cloud interaction Experiment (SALTRACE- June/July 2013). Flight measurements were done from Cape Verde and the Caribbean. Changes happening with the chemical composition, mixing, shape and absorption of aerosol single particles (particle diameter range 0.5-3.0 µm) inside SAL during its transport are detailed. Dust-dominated SAL (relative number abundance >90%) and generally low mixing (
ISSN:2054-5703
2054-5703
DOI:10.1098/rsos.231433