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Proceedings Paper

Possibility of relationship between the yellow sand and the foot-and-mouth disease in Miyazaki Prefecture, Japan in March 2010 by using MODIS images
Author(s): Yoshinobu Kato
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Paper Abstract

In Miyazaki Prefecture, Japan, the O-type foot-and-mouth disease (FMD) appeared and spread from March to July, 2010. The first infected livestock by FMD virus was detected on March 26, 2010 at Tsuno Town in Miyazaki Prefecture. The O-type FMD was found on March 14 at the suburb of Lanzhou City in Gansu, and on March 25, 2010 in Shanxi, China. The duration of FMD virus incubation is 2 to 8 days. Maki et al. (2011, 2012) presumed the cause of the first FMD in Miyazaki as follows: The yellow sand adhered with FMD virus was transported from Gansu to Miyazaki by global westerly winds. In this paper, we investigate whether the yellow sand generated in Gansu flew to Miyazaki in March, 2010 by using MODIS data of Terra and Aqua satellites. True-color mosaic images, AVI mosaic images and T11 mosaic images from China to Japan are made and examined. The aerosol vapor index (AVI) is defined as AVI=T12-T11, where T12 and T11 are the brightness temperatures at 12μm and 11μm wavelength, respectively. The AVI can detect the dust and sandstorms (DSS, i.e., yellow sands) in satellite images both at daytime and night. AVI values are classified into six levels from 0 to 5. From AVI images, DSS existed in the vicinity of Lanzhou on March 19, and in the south area of Shanxi on March 20, and in the vicinity of Tsuno Town on March 21. If Maki et al. are right, the cause of the first FMD in Miyazaki in March 2010 is that DSS generated in Gansu on March 19 flew to Miyazaki on March 21.

Paper Details

Date Published: 8 November 2014
PDF: 12 pages
Proc. SPIE 9259, Remote Sensing of the Atmosphere, Clouds, and Precipitation V, 92591V (8 November 2014); doi: 10.1117/12.2069166
Show Author Affiliations
Yoshinobu Kato, Fukui Univ. of Technology (Japan)

Published in SPIE Proceedings Vol. 9259:
Remote Sensing of the Atmosphere, Clouds, and Precipitation V
Eastwood Im; Song Yang; Peng Zhang, Editor(s)

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