| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
I worked on two issues. In-situ observations and output from a numerical simulation were used, and experiments with a simplified numerical model were conducted. The first theme is equatorial currents. For this theme, I first examined cross-equatorial currents in the central equatorial Indian Ocean and found they were caused by zonal jets impinging the Maldives Islands. Then I examined propagation of zonal jets and discussed wave dynamics. The second theme is the meridional circulation in the whole Indian Ocean. For the second theme, I first collected in-situ observations and depicted the basic features of the basin-wide circulation. Then I examined output from models that were used for the assessment report for the Intergovernmental Panel on Climate Change and investigated how poor those models are in the simulation of the Indian Ocean circulation. These studies are published in four papers from international scientific journals.
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