タイトルヨミ
タイキチュウ ノ チリ ノ ソウサガタ デンシ ケンビキョウ ニヨル ケイタイ カンサツ
タイトル別表記
Scanning electron microscopic observation of aerosol dusts
ファイル
言語
日本語
著者
渡辺 弘明
小阪 優子
馬渕 映美
周 国平
野田 修司
田崎 和江
内容記述(抄録等)
Aerosol dusts observed in August, September and November 1991 over Matsue, Shimane, were collected by air-sampler. The dust samples were examined by using X-ray powder diffraction (XRD) and scanning electron microscopy-Energy dispersive X-ray analysis (SEM-EDX). XRD data show that aerosol dusts are mainly composed of amorphous materials with sulfur, sulfate (barite, gypsum, etc.) and halite, SEM observation revealed that the amorphous materials were derived from pollen of Altemisia, Bougainvillea Spectabilis, Sciadopitys Verticillata, Crypomeria Japonica, scales, carbonaceous soot aggregates and volcanic glass. SEM with EDX showed that cubic barite and platy gypsum were agregated with volcanic glass contain high concentration of S, Ca or Ba. The most likely source of these aerosol dusts come from volcanic ash, such as Sakurajima or Unzen in Kyushu. Various pollen in the aerosol suggest that the dust components are seasonal changed. Based on these microanalyticial observations, the circulation of aerosol system and component in atmosphere influence greatly on local environmental condition.
掲載誌名
島根大学地質学研究報告
11
開始ページ
25
終了ページ
37
ISSN
0287816X
発行日
1992-07-30
NCID
AN00054980
出版者
島根大学理学部地質学教室
出版者別表記
Department of Geology, Faculty of Science, Shimane University
資料タイプ
紀要論文
部局
島根大学
備考
1-11 / 1982-1992