| Budget Amount *help |
¥26,260,000 (Direct Cost: ¥20,200,000、Indirect Cost: ¥6,060,000)
Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000)
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| Research Abstract |
In order to reveal the water mass distribution and circulation in the intermediate layer in the Oyashio and mixed water regions, a new method to estimate the mixing ratio among the source waters which form the observed water there was developed and applied to the temperature, salinity, and dissolved oxygen data observed there by our research vessel and profiling floats. Also, the volume transports of the source waters were examined using the observed ocean current data etc. As a result, it is quantitatively revealed that the water originated from the Okhotsk Sea flows into mixed water region with relatively more volume transport in the upper intermediate layer (26.7-27.0σ_θ) whereas the water originated from the subarctic gyre in the northwestern Pacific flows there in the lower layer (27.0-27.3σ_θ) with relatively more volume transport in contrast.
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