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Abstract AI-Helper 아이콘AI-Helper

In this study, the ionic composition of volcanogenically derived particles and their temporal and spatial distributions have been investigated to evaluate the impact of the volcanic eruption on the local ecosystem and residents. To this end, an intensive field study was conducted to measure the size...

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제안 방법

  • Hence, relatively little is known about the composition of size-resolved particles and their relationship to gaseous materials. As a primary goal of this study, we report the chemical properties of the size-resolved particles collected nearby the volcanic crater of Sakurajima, Japan.
  • A detailed model description of the VAFTAD was given by Heffter and Stunder (1993). In this study the VAFTAL model was run four episodical days (24 Nov., 26 Nov., 27 Nov., and 28 Nov.) when showed relatively high PM2.5 during whole measurement period. Fig.
  • In this study, an intensive field measurement was conducted to elucidate the characteristics of size-classified ambient particles near the Sakurajima volcano in Japan. The time resolution data of sulfate and PM2.
  • In this study, an intensive field measurement was conducted to elucidate the characteristics of size-classified ambient particles near the Sakurajima volcano in Japan. The time resolution data of sulfate and PM2.5 concentrations with strong time serial variations allowed us to identify episodes and to determine the eruption trends during the intensive campaign. Sulfate concentration, which accounted for 31% of PM2.

대상 데이터

  • For the sampling of ambient particles, a three-stage multi nozzle cascade impactor (MCI®) (Tokyo Dylec Co.) was operated at a height of about 80 m above sea level of Kurokami observatory (31°35′N, 130°40′E) (Volcanic activity research center of Kyoto University) at the east part of Mt. Sakurajima in Kagoshima.
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참고문헌 (12)

  1. Bates, T.S., Cline, J.D., Gammon, R.H., Kelly-Hansen, S.R. (1987) Regional and seasonal variations in the flux of oceanic dimethyl sulfide to the atmosphere. Journal of Geophysical Research 92, 2930-2938. 

  2. Gregory, S.K., Glen, E.G., Scott, W.R. (1982) Identification of atmospheric particulate sources in Washington, DC using chemical element balances. Environmental Science Technology 16(2), 79-90. 

  3. Heffter, J.L., Stunder, B.J.B. (1993) Volcanic ash forecast transport and dispersion (VAFTAD) model. Weather Forecasting 8, 534-541. 

  4. Iino, N., Terada, A. (2003) Analysis of high volcanic gas concentrations at the foot of Miyakejima volcano, Japan. Journal of National Disaster Science 25, 85-91. 

  5. Kinoshita, K. (2000) Volcanic smoke/gases and atmospheric environment. Applied Meteorological and Climate Resources 13, 61-65. (in Japanese) 

  6. Kinoshita, K., Togoshi, H. (2000) Rise and flow of volcanic clouds observed from the ground and from satellites. Journal of Visualization 3, 71. 

  7. Luria, M., Peleg, M., Sharf, G., Tov-Alper, D.S., Spitz, N., BenAmi, Y., Gawii, Z., Lifschits, B., Yitzchake, A., Seter, I. (1996) Atmospheric sulfur over east Mediterranean region. Journal of Geophysical Research 101, 25917-25930. 

  8. Moon, K.J., Han, J.S., Kong, J.B., Lee, M.D., Jung, I.R. (2005) Characteristics of chemical species in gaseous and aerosol phase measured at Gosan, Korea during ABS-EAREX2005. Journal of Korean Society for Atmospheric Environment 21(6), 675-687. (in Korean) 

  9. Ohio Environmental Protection Agency (2003) Characterization of PM2.5 in central and southeast Ohio, http://www. epa. state.oh.us/dapc/atu/Section2Chapter2.pdf. 

  10. Park, J.Y., Lim, H.J. (2006) Characteristics of water soluble ions in fine particle during the winter and spring in Daegu. Journal of Korean Society for Atmospheric Environment 22(5), 627-641. (in Korean) 

  11. Sutton, A.J., Elias, T. (1993) Volcanic gases create air pollution on the Island of Hawaii: U.S., Geological Survey Earthquakes and Volcanoes 24(4), 178-196. 

  12. Symonds, R.B., Rose, W.I., Bluth, G., Gerlach, T.M. (1994) Volcanic gas studies: methods, results, and applications, Mineralogical Society of America Reviews in Mineralogy 30, 1-66. 

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