A development of a new type artificial generation structure for upwelling currents in deep sea

本项目与冲绳的几个具体研究项目进行联合研究，旨在制作新的人工上升流结构和揭示冲绳浅水区周围的水流特征，取得广泛而令人惊叹的成果。在本项目中，还加入了其他四个主要项目，即：i）开发超功率HF海洋袭击者，ii）开发了一个测量和广播系统的海洋流周围的浮动渔业男孩，iii）开发了一种新的结构分析工具，自由网格有限元法，iv）开发了一个广域波观测系统在海洋周围的日本南岛。这些项目都达到了预期的目的，特别是在冲绳山坡海域，揭示了自我周围的上升流。结果表明：赞帕角附近海域的潮流为顺时针方向;在距海面70 m处存在明显的温跃层;在赞帕角附近海域，温跃层与潮流呈谐波振荡;赞帕角附近海域的上升流可达海面以下;人工上升流产生器构造在赞帕角附近可产生发达的上升流。

This project has aimed to get wide and marvelous results in making new artificial upwelling structures and disclosing the current characteristics around the Okinawa shallow areas, having joint researches with a couple of the specific researches running in Okinawa.In this project, four other main projects have been joined, that are i) development of a ultra-power HF Ocean Raider, ii) developing a measuring and wide-broadcasting system of ocean current around the floating fishery boy, iii) developing a new structural analysis tools with free mesh finite element method, iv) developing a wide area wave observation system in the ocean around South islands of Japan. All of these projects have been succeeded in getting their final aims.In particular, this project has revealed the upwelling current around the self in Zanpa sea area of Okinawa. The main results obtained can be summarized as fellows :1) The tidal current around the Zanpa cape sea is in the clockwise direction.2) Clear thermoclines of the sea water temperature exist about 70m below from the sea surface.3) On the self, the thermoclines oscillate in harmonic with the tidal current.4) The upwelling flows around the Zanpa self can reach up to just below the sea surface.5) From the results obtained here, it can be said that the structures proposed as the artificial upwelling producers can make well-developed upwelling around them.