Relationship between Lidar-derived Dust Extinction Coefficients and Mass Concentrations in Japan

Atsushi Shimizu; Nobuo Sugimoto; Ichiro Matsui; Ikuko Mori; Masataka Nishikawa; Mizuka Kido

doi:10.2151/sola.7A-001

SOLA

Online ISSN : 1349-6476
ISSN-L : 1349-6476

Relationship between Lidar-derived Dust Extinction Coefficients and Mass Concentrations in Japan

Atsushi Shimizu, Nobuo Sugimoto, Ichiro Matsui, Ikuko Mori, Masataka Nishikawa, Mizuka Kido

Author information

Atsushi Shimizu
National Institute for Environmental Studies
Nobuo Sugimoto
National Institute for Environmental Studies
Ichiro Matsui
National Institute for Environmental Studies
Ikuko Mori
National Institute for Environmental Studies
Masataka Nishikawa
National Institute for Environmental Studies
Mizuka Kido
Toyama Prefectural Environmental Science Research Center

Corresponding author

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Supplementary material

2011 Volume 7A Issue Special_Edition Pages 1-4

DOI https://doi.org/10.2151/sola.7A-001

Details

Published: 2011 Received: October 26, 2010 Available on J-STAGE: January 12, 2011 Accepted: December 16, 2010 Advance online publication: - Revised: -

Abstract

Dust extinction coefficients near the ground surface, based on National Institute for Environmental Studies lidar network measurements, were directly compared with mass densities measured simultaneously by filter sampling during several heavy dust events in Japan. The ratio between them varied from 0.5 to 2 g m^-1, and depended more on the observatory, than on the dust event being observed. This variation could not be accounted for by the change in particle size distribution during long-distance transport from the source region to Japan, but internal mixing of dust with spherical particles might explain the observed results.

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