[Articles]
　　
◆ Intra-seasonal and interannual variation of snowfall and rainfall during winter in Rikubetsu, ‥‥‥‥‥‥‥ 1 – 7
　 inland Hokkaido, Japan
　　Naohiko HIRASAWA (National Institute of Polar Research/SOKENDAI) and
　　Hiroyuki KONISHI (Osaka Kyoiku University)
　　　　　　(doi.org/10.57287/ospor.8.1)　　

◆ Intra-seasonal and interannual variations of sea ice along the Okhotsk ‥‥‥‥‥ 8 – 16
　coast of Hokkaido from the viewpoint of atmospheric circulation　　　
　　Yuki ASAZUMA, Masaya KURAMOCHI and Hiroaki UEDA (University of Tsukuba)
　　　　　　(doi.org/10.57287/ospor.8.8)　　
　
　　　　
download

◆ Laboratory experiments on spray icing with urea-doped water using flat and cylindrical specimens ‥‥ 17 – 23
　　　Toshihiro OZEKI (Hokkaido University of Education Sapporo), Takatoshi MATSUZAWA (National Maritime
　　　Research Institute), Shingo NOMURA (Hokkaido University of Education Sapporo),
　　　Satoru ADACHI (National Institute of Earth Science and Disaster Resilience),
　　　Taiki TOKUDOME and Akihisa KONNO (Kogakuin University)
　　　　　　(doi.org/10.57287/ospor.8.17)　　

　 [Review]
　　
◆ Frederick William Beechey’s Narrative of the Voyage of the Blossom ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 24 – 28
　　　Gaston R. DEMARÉE (Royal Meteorological Institute of Belgium) and Yoshio TAGAMI (Toyama University)
　　　　　　(doi.org/10.57287/ospor.8.24)