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Tokyo University of Marine Science and Technology

Seabed mineral resources are the frontier of ocean development.
A department where you can explore the ocean on a large scale.

Ryo ObinataFaculty of Marine Resources and Environment, Department of Marine Resources and Energy, 4th year (at that time)

Q1. Why did you choose a department/faculty?
A large-scale vision of the future, including exploration and excavation of seafloor resources
I think this university is famous for its research on marine life and fisheries, but I was originally interested in engineering and had a vague admiration for large-scale work such as shipbuilding.When I was in my third year of high school, I learned about the Department of Marine Resources and Energy, which was established at the time and was only in its second year.From there, I became interested in the exploration and drilling of seabed resources such as seabed minerals, oil, and natural gas, and enrolled in the same department.Another reason for my choice was that there was a curriculum unique to Marine University that other universities did not have, such as practical training using ships.

Q2. What was the good thing about choosing this department/faculty?
From basic science related to the sea to the development of applied technology, you can acquire a wide range of knowledge expansively
Students study physics, chemistry, geology, biology, and oceanography, which is a combination of these, until their second year of undergraduate studies, and then study more specialized engineering from their third year of undergraduate studies.I think the strength of the Department of Marine Resources and Energy is that you can learn a wide range of things from the basics of the ocean to applied technologies related to the development of submarine resources and offshore wind power through the curriculum.In particular, offshore wind power generation became my interest after entering the university.I think it's interesting how renewable energy can be used without imposing a burden on nature in order to achieve a decarbonized society.Also, it was a lot of fun to go around Japan by ship for about a month as a boarding practice.Since it is an internship, I have to work in shifts to monitor the sea and course 1 hours a day, but I will never forget the blueness of the sea and the beauty of the stars at night.I think that it is unique to this university to be able to feel closer to the current state of marine development and the significance of environmental protection by actually touching the sea.

Q3.What is your research theme?
Withdrawing mineral resources from the deep seabed
The existence of seafloor mineral resources, including rare metals such as cobalt and manganese, has been confirmed on the deep sea floor at depths of several thousand meters.The process of transporting mined ore from the bottom of the sea to a ship at sea is called yokou. A method of transporting it to the sea by putting it on the flow of circulating muddy water is being considered.I am developing a simple evaluation method for the viscosity of the mud used for ore pumping, and I am aiming to realize efficient ore pumping by proposing the formulation of mud with high ore lifting efficiency through appropriate viscosity measurement. .

how to spend the holidays

Mountain climbing with friends who like nature.
Climb mountains together and discover different perspectives.

I'm from Nagano Prefecture, so my hobbies are mountain climbing and camping.There are many students at the University of Marine Science and Technology who like nature, and if you go mountain climbing with them, they will teach you about animals and plants that you don't know, so you can enjoy mountain climbing from a different perspective than before.
I took this photo when I went to Mt. Tsukuba at the end of November.At the foot of the mountain, we were able to enjoy the autumn leaves that were about to end, the strangely shaped rocks along the mountain trail, and the clear winter sky at the top of the mountain.

Q4.What is your ideal future image?
Aiming for environmentally friendly and sustainable marine development
Currently, Japan's resource self-sufficiency rate is extremely low, and almost 100% of mineral resources such as rare metals are imported.If the development of seabed mineral resources, which is still in the experimental stage, can be commercialized, the mined seabed mineral resources will be distributed to the market as Japanese resources, which will contribute to the stabilization of resource supply and further promotion of the manufacturing and energy industries. will contribute.Seabed mineral resources are the frontier of marine development, and in the future I would like to engage in work that challenges them and aim for environmentally friendly and sustainable marine development.

Message to those aiming to enter Tokyo University of Marine Science and Technology
I hear that interest in the ocean, including ocean development, is declining.Until I entered this university, I didn't have a very strong feeling about the sea, but by actually learning and going to the sea, I was fascinated by its magnificence, severity, and beauty.The decline in interest may be due to fewer opportunities to be interested in the ocean.In that respect, Tokyo University of Marine Science and Technology has abundant opportunities to stimulate interest in the sea through lectures and practical training.If you want to be involved in the ocean in large-scale fields such as offshore wind power generation and the development of seabed mineral resources, which have recently been attracting attention, we recommend enrolling in the Department of Marine Resources and Energy.