Sadamu Yamagata

J-GLOBAL         Last updated: Jun 12, 2015 at 11:04
 
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Name
Sadamu Yamagata
E-mail
yamagataeng.hokudai.ac.jp
Affiliation
Hokkaido University

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UTIYAMA Masahiro, OKUMURA Satosi, KAWAKAMI Yosiyuki, NAKAGAWA Taro, YAMAGATA Sadamu, MURAO Naoto
JEC   24(1) 19-24   2014
A wireless sensor network was developed for continuously measuring ozone concentration in the atmosphere. The network was constructed of sensor nodes, each of which was made of an ozone sensor and a communications transmitter connected to a cellul...
Yamagata Sadamu, Hara Keiichiro, Matsuki Atsushi
Antarctic record   54(0) 868-881   Dec 2010
Airborne aerosol measurements of the Arctic haze were carried out during three campaigns, Arctic Study of Tropospheric Aerosol and Radiation 2000 (ASTAR 2000), the Arctic Airborne Measurement Program 2002 (AAMP 2002) and ASTAR 2004. Aircraft used ...
Hara Keiichiro, Matsuki Atsushi, Yamagata Sadamu, Iwasaka Yasunobu, Yamanouchi Takashi, Herber Andreas
Antarctic record   54(0) 845-867   Dec 2010
Airborne aerosol measurements around the Svalbard Archipelago were carried out in March-April, 2000 (ASTAR 2000) and in May-June, 2004 (ASTAR 2004) for better understanding of the spatial distribution of aerosol constituents and their mixing state...
山形 定, 三浦 二郎, 太田 幸雄, 藤吉 康志
低温科学   72 21-27   2014
高度430mにおよぶ準実スケールの人工雲実験施設において硫酸アンモニウムエアロゾル粒子を発生させ, 雲核活性化が起きる高度40m程度までのエアロゾル, 雲粒について測定をおこなった. バックグラウンド粒子数濃度を低下させたことにより, 実験室用粒子発生装置を用いた安定的なエアロゾル粒子供給が可能となった. エアロゾル粒子および雲粒を同時に捕集可能な2段式インパクターを用い複数高度で両粒子の数濃度, 粒径分布を求めた.粒子発生用の硫酸アンモニウム溶液濃度を高くすると, 発生粒子個数が増加した...
SHIMIZU Yuji, OHTA Sachio, MURAO Naoto, YAMAGATA Sadamu
大気環境学会年会講演要旨集   (50)    Aug 2009