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2017 Fiscal Year Final Research Report

Study for the dissipation process of oceanic surface waves and mesoscale eddies based on a complementary approach

Research Project

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Project/Area Number 26400474
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Meteorology/Physical oceanography/Hydrology
Research InstitutionNagoya University (2015-2017)
Japan Agency for Marine-Earth Science and Technology (2014)

Principal Investigator

Hidenori Aiki  名古屋大学, 宇宙地球環境研究所, 准教授 (60358752)

Project Period (FY) 2014-04-01 – 2018-03-31
Keywords群速度ベクトル / 熱帯ー亜熱帯相互作用 / 波動エネルギー循環 / 気候変動
Outline of Final Research Achievements

In previous theories for the atmosphere and ocean, frameworks for the dynamics of midlatitude and equatorial regions have been separated. Thus it has been impossible to continuously trace the life-cycle of wave energy from tropical to extratropical regions. This study has developed a scheme for calculating group velocity that is seamlessly diagnosable for waves at all latitudes and automatically applicable to various types of waves (Rossby, inertia-gravity, and Kelvin waves). The new scheme enables to trace the generation, circulation, and dissipation of wave energy with referring to the direction of group velocity.

Free Research Field

大気海洋力学

URL: 

Published: 2019-03-29  

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