著者
中口 譲 高山 真太郎 佐野 到
出版者
近畿大学理工学総合研究所
雑誌
Science and technology = 理工学総合研究所研究報告 (ISSN:09162054)
巻号頁・発行日
no.29, pp.33-41, 2017-02

Atmospheric samples were collected from March to June in 2014. Major ionic constituent (Na+ , NH4+ , K+ , Mg2+ , Ca2+, F- , Cl- , NO3- ,SO42-) , PM2.5 and PMc were observed. Asian Dust storm event were observed from May 28 to June 1 during this sampling period. The concentrations of F-, NO3- , K+, NH4+, Mg2+, Ca2+ in coarse fraction were increased during Asian Dust storm event. The concentrations of SO42- , NH4+, K+ were increased during Asian Dust storm event. The high correlation was recognized between Na+ and Cl- in the coarse fraction. The high correlations were recognized between SO42-, NH4+, K+, Ca2+ and PM2.5.
著者
保本 正芳 向井 苑生 佐野 到
出版者
近畿大学理工学総合研究所
雑誌
理工学総合研究所研究報告 (ISSN:09162054)
巻号頁・発行日
no.22, pp.45-48, 2010-02

multi-spectral photometer of NASA/AERONET has been working at Kinki University campus in Higashi-Osaka since 2002 for measuring urban aerosols. Standard products of aerosol characteristics, e.g. optical thickness of aerosols (AOT), Angstrom Exponent (α), size distribution parameters etc, are provided on the NASA/AERONET Web page. We classify atmospheric particles into three clusters by using AOT and α of the AERONET data. We identified these clusters as desert dust, urban industrial pollution and background aerosols. Software SPSS was used for the cluster analysis.