CHEMICAL COMPOSITIONS OF SEA SALT PARTICLES AND PARTICULATE SULFUR COMPONENTS AT SYOWA STATION, ANTARCTICA

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概要

• 論文の詳細を見る

• Atmospheric aerosol particles were collected every month with a high volume air sampler (CPS-105,Kimoto Elec. Ind. Inc.) at Syowa Station, Antarctica (69°00′S, 39°35′E) in 1991. The morphology of individual aerosol particles (0.7-5.4μm) and the compositions were investigated with scanning electron microscopy-Energy dispersive X-ray analysis (SEM-EDX; S-5000 Hitachi) and laser microprobe mass spectrometry (LAMMS; LAMMA-1000 Leybold-Heraeus). About 180 and 4800 particles were analyzed in SEM-EDX and LAMMS, respectively. The ratio of the modified sea salt particles increased with intensity of solar radiation. Most sea salt particles in the polar night (June) were not modified, and in summer (December) most of them were modified with sulfuric acid and methanesulfunic acid (MSA). Seasonal variation of sulfur components (sulfuric acid and MSA) showed good correlation with intensity of solar radiation. In spring, about 55% of sea salt particles contained sulfuric acid and/or MSA. In summer, however, only a few percent of sea salt particles contained those sulfur compounds; most sulfur compounds were found in the particles which were different type particles from the sea salt.

• 国立極地研究所の論文

著者

• Kikuchi Tadashi

  Department of Cardiology, Kawasaki Social Insurance Hospital

• Fujii Yoshiyuki

  National Institute of Polar Research, Research Organization of Information and Systems

• Iwasaka Y

  Graduate School Of Environmental Studies Nagoya Univ.

• Iwasaka Yasunobu

  Solar-terrestrial Environment Laboratory Nagoya University

• Iwasaka Y

  Nagoya Univ. Nagoya Jpn

• HAYASHI Masahiko

  Solar Terrestrial Environment Laboratory, Nagoya University

• Iwasaka Y

  Solar-terrestrial Environment Laboratory Nagoya University

• Iwasaka Yasunobu

  Graduate School Of Environmental Studies Nagoya Univ.

• Iwasaka Yasunobu

  Unmanned Aircraft Planning Group:solar Terrestrial Environmental Laboratory Nagoya University:nihon

• HARA Keiichiro

  Department of Applied Chemistry, Faculty of Science, Science University of Tokyo

• FURUYA Keiichi

  Department of Applied Chemistry, Faculty of Science, Science University of Tokyo

• Iwasaka Yasunobu

  Solar Terrestrial Environment Laboratory Nagoya University

• Furuya Keiichi

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Hara Keiichiro

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo:(present Address)sola

• Fujii Yoshiyuki

  National Institute Of Polar Research

• Hara K

  Nagoya Univ. Nagoya

• Kikuchi Tadashi

  Department Of Applied Biological Science

• Kikuchi Tadashi

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Hayashi Masahiko

  Solar Terrestrial Environment Laboratory Nagoya University

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• Preface
• 5. Surface Meteorological Data during Oversnow Traverses(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
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• 1. Outline of Field Observations during 1996-1997(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
• Geomorphological and glaciological aspects around the highest dome in Queen Maud Land, East Antarctica

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