@article{oai:tokyo-metro-u.repo.nii.ac.jp:00002857, author = {カンノ, ヒロミツ and Kanno, Hiromitsu}, issue = {24}, journal = {Geographical Reports of Tokyo Metropolitan University}, month = {}, note = {On the bases of cluster analysis air masses in the northern part of Japan from the Bai-u season to summer were classified. Also, seasonal and annual variations in air mass frequencies were examined. The polar air mass did not dominate in midsummer and the tropical air mass had an effect on the summer temperature fluctuation.}, pages = {67--76}, title = {Frequencies of air masses in the northern part of japan from the bai-u season to summer}, year = {1989} }