Volcanic Ash, Eyjafjallajokull

Categories
TERRESTRIAL AEROSOLS
Summary: AEROSOLS
Terrestrial Aerosols Subcategories
Volcanic
Origin

ash collected at 5 km from the source after the April 2010 eruption

Main constituent
the main constituent is silica, SiO2, in concentration in between 50% and 70%. Other components are: Al2O3, CaO, TiO2, FeO, MgO and Na2O
Particle size Mie: reff (μm)
7.8
Particle size Mie: veff
2.9
Particle size Fraunhofer: reff (μm)
4.0
Particle size Fraunhofer: veff
5.9
Size distribution plot
Size Distribution Eyjafjallajokull Volcanic Ash
Particle shape

irregular

SEM : View images
View images
All SEM images (zip file)
sem_eyjafjallajokull.zip
Refractive index

[1.43-1.59] + i[0-0.004] (647nm) (Schumann et al. Atm. 2011, Newman et al. 2012)

Color
dark gray
Scattering matrix (1) wavelength in nm
488
Scattering matrix (1) plot
Scattering matrix elements Eyjafjallajokull Volcanic Ash - 488 nm
Scattering matrix (1) table
matrix_eyjafjalla_488nm.txt
Scattering matrix (2) wavelength in nm
647
Scattering matrix (2) plot
Scattering matrix elements Eyjafjallajokull Volcanic Ash - 647 nm
Scattering matrix (2) table
matrix_eyjafjalla_647nm.txt
Synthetic scattering matrix (1) wavelength in nm
647 nm
Synthetic scattering matrix (1) table M
extra_eyjafjalla_647nm_M.txt
Synthetic scattering matrix (1) table F
extra_eyjafjalla_647nm_F.txt
Angle range (deg)
[4,177]
Paper (pdf)
Gómez-Martín et al., JQSRT, vol. 271, 2021
Merikallio et al., JGR, vol. 120, 2015
Full reference paper

Gómez Martín JC, Guirado D, Frattin E, Bermudez-Edo M, Cariñanos Gonzalez P, Olmo Reyes FJ, Nousiainen T, Gutiérrez PJ, Moreno F, Muñoz. On the application of scattering matrix measurements to detection and identification of major types of airborne aerosol particles: Volcanic ash, desert dust and pollen. Journal of Quantitative Spectroscopy and Radiative Transfer, 271, p. 107761, 2021

Merikallio S, Muñoz O, Sundstrom A-M, Virtanen TH, Horttanainen M, de Leeuw G, Nousiainen T. Optical modeling of volcanic ash particles using ellipsoids. Journal of Geophysical Research, vol. 120, no.9, 2015  

BibTeX
Export Citation Gómez-Martín
Export Citation Merikallio