@article{oai:nipr.repo.nii.ac.jp:00002931, author = {ニシタ, チハル and オサダ, カズオ and ハラ, ケイイチロウ and キドウ, ミズカ and ワダ, マコト and シバタ, タカシ and イワサカ, ヤスノブ and Nishita, Chiharu and Osada, Kazuo and Hara, Keiichiro and Kido, Mizuka and Wada, Makoto and Shibata, Takashi and Iwasaka, Yasunobu}, journal = {Polar meteorology and glaciology}, month = {Nov}, note = {P(論文), Number-size distributions of aerosol particles between 10 and 365nm in diameter were observed at Ny-Alesund, Norwegian Arctic from 18 to 29 February 2000 together with concentrations of SO_2 and NH_3,and Na^+ and non-sea-salt SO_4^<2-> in non-size-segregated particles. The observed particle size distributions and concentrations were fitted by lognormal distributions and interpreted with respect to air mass histories that have different origins. Maximum concentration of aerosol particles was predominantly found in the accumulation range (150