ABSTRACT:

Research projects on the development of ocean measurement systems are surveyed focusing on a series of projects in the Research Institute for Applied Mechanics, Kyushu University. A wave rider buoy for measuring directional distribution of the wave energy, a spar buoy for wind and wave measurements, subsurface buoy systems for the ocean current research, surface buoy system for the research on the upper ocean mixed layer and underwater robots for space continuous measurements of the current and chemical properties such as dissolved CO2

INTRODUCTION:

The global environment is now facing a serious crisis caused by increasing production and large-scale development, but these cannot be stopped immediately because they are part of the rising level of mod-ern civilization. We must, therefore, find some way to harmonize the global environment and ongoing developments, and this is impossible to accomplish without a detailed knowledge of the environment. Re-search on the environment is therefore very important both for pro-tecting it and for the development of resources. The ocean plays an important role in the global environmental system because of its tremendous capacity for heat, momentum and substance, but the dynamics of the ocean has not been as deeply re-searched as those of the atmosphere, because man does not live in the ocean. Direct ocean measurements are the more effective means than other research methods like numerical simulation or remote sensing from a satellite, and this has made the development of comprehensive means to do this increasingly important. Japan trails the USA and European countries in the development of an ocean measurement sys-tem, because the technological advances in those areas of the world were spurred on by purposes of submarine oil fields and for military use, but these objectives were not important in Japan.are introduced.

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