Oceanographic observation data is the basis to consider the problems of the ocean. Recently, the rules of the international exchange of oceanographic observation data have come under review, and the balance of the rights of the data producer and the promotion of the data distribution is absolutely essential. It is required in Japan to promote oceanographic data circulation and exchange based o international rules, and at the same time, to enhance ocean observation network around Japan.

"We are striving to become a base city for the surrounding sea and islands, a city of individuality and brilliance where people are considerate of each other, a city with strong ties between other cities and towns in the area, throughout the country and world." This is the goal of Hiroshima Prefecture's Kure City. The Kure Chiiki Kaiyo Konwa Kai, which is the advisory board of the mayor of Kure city, explains its idea of "sea-based waste disposal by a mobile offshore plant." This is their project proposal, which is aimed at the promotion of the marine environment industry in the Seto Inland Sea.

The murder case on the Tajima is referred to pinpoint a weak point in the law of the sea. Was there no way to avoid inflicting great and prolonged damage and pain on the persons concerned in the murder case on the Tajima? The authorities concerned took up the position that they couldn't intervene at all without having a request from the flag state. However, from my viewpoint, the law of the sea is renouncing Japanese criminal jurisdiction.
Selected Papers No.4(p.19)