| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Research Abstract |
The Japanese common knowledge that fluvial fans are alluvial fans was suspected. But I emphasized that fluvial fans are alluvial fans, and the knowledge is recognized by researchers on alluvial fans at the Alluvial Fans 2007 conference in Canada. As far as megafans are concerned, the values of drainage basin areas and fan areas are located on two extended lines of extraordinarily large alluvial fans in General Valley of Costa Rica and in San Joaquin Valley of USA. When the reason of the excess is clarified, it is possible to discriminate between megafans and alluvial fans.
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