海洋資源利用に関する調査

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With the growth of world economy and population, especially in developing countries such as China and India, the demand for energy and food is growing rapidly. As a result, the sudden rise of the resource price and the lack of food are feared. In addition, for preventing global warming, it is requested to slough off massive fossil fuel consumption and to expand the utilization of renewable energies, which are the blessings from the sun. To deal with these problems, it is needed to turn our eyes to the ocean where undeveloped resources such as energy, mineral and marine organisms exist. To develop, and to utilize these marine resources, floating structures are indispensable as platforms for those activities. The technology on floating structures and the mooring systems that NMRI has been studying so far can be used for that purpose. However, except offshore oil and natural gas, profitable business model is not proposed for some reasons, e.g. because marine resources are sparsely distributed. In order to make it economically viable, multi-purpose floating structures are expected. And, to propose them, it is necessary to recognize the current state of relating fields of marine resources. In this paper, the results of investigation on the current state and the problems of research and development regarding the following items are reported. 1) utilization of ocean natural energies 2) extraction of rare metal resources dissolved in seawater and mining of deep-sea floor mineral resources 3) preservation of marine environment using seaweed, and creation and improvement of the fishery. The investigation was widely carried out through published papers, books, magazines and web sites of research organizations.
独立行政法人海上技術安全研究所の論文
2006-12-22

海洋資源利用に関する調査

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