[Article]
■ The impact of data assimilation and atmospheric forcing data on predicting ‥‥‥‥‥‥1 – 6
　 short-term sea ice distribution along the northern sea route
　　　　Liyanarachchi Waruna Arampath DE SILVA and
　　　Hajime YAMAGUCHI (The University of Tokyo)
　　　　　(doi.org/10.57287/ospor.1.1)　
　　
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■ Improving numerical sea ice predictions in the Arctic Ocean by data assimilation using satellite ‥‥‥‥‥‥ 7 – 11
　 observations
　　　　Dulini Yasara MUDUNKOTUWA (Graduate School of Frontier Sciences, The University of Tokyo/
　　　University of Sri Jayawardenepura, Sri Lanka), Liyanarachchi Waruna Arampath DE SILVA and
　　　Hajime YAMAGUCHI (Graduate School of Frontier Sciences, The University of Tokyo)　　
　　　　　(doi.org/10.57287/ospor.1.7)　
　　
■ Preparing an UAV for drift ice observation ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 12 – 15
　　　　Kanichiro MATSUMURA (Faculty of Bio-industry, Tokyo University of Agriculture)
　　　　　(doi.org/10.57287/ospor.1.12)　
　　
■ Inter-annual changes in responses of winter sea-ice motions to winds in the ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥16 – 20
　 Arctic Ocean between 2003 and 2012
　　　Eri YOSHIZAWA (Division of Polar Ocean Sciences, Korea Polar Research Institute, Republic of Korea) and
　　　Koji SHIMADA (Department of Ocean Sciences, Tokyo University of Marine Science and Technology)
　　　　　(doi.org/10.57287/ospor.1.16)