High-resolution coastal geomorphology studies of beach erosion
| Project/Area Number |
19360213
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Kyoto University |
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Principal Investigator |
SEKIGUCHI Hideo Kyoto University, 防災研究所, 教授 (20027296)
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| Co-Investigator(Kenkyū-buntansha) |
MASE Hajime 京都大学, 防災研究所, 教授 (30127138)
MUTO Yasunori 京都大学, 防災研究所, 准教授 (40263157)
KAMAI Toshitaka 京都大学, 防災研究所, 教授 (10277379)
SERIZAWA Shigeatsu 京都大学, 防災研究所, 助教 (70301249)
HARAGUCHI Tsuyoshi 大阪市立大学, 理学研究科, 准教授 (70372852)
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| Co-Investigator(Renkei-kenkyūsha) |
KOBAYASHI Tomonao 岐阜大学, 工学研究科, 教授 (50205473)
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| Research Collaborator |
AZUMA Ryoukei 京都大学, 防災研究所, 助教 (50464201)
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥19,760,000 (Direct Cost: ¥15,200,000、Indirect Cost: ¥4,560,000)
Fiscal Year 2009: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2008: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2007: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
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| Keywords | 地盤環境 / 砂浜海岸 / イベント堆積物 / 海岸侵食 / 海浜海底地形 |
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| Research Abstract |
Beach erosion is a long-standing serious issue in Japan and extensive lengths of coastlines have been protected with seawalls, detached breakwaters, artificial reefs and so forth. The extreme cases of such compartmentalization in the sediment dispersal system render sandy beaches totally isolated from otherwise available sources of sediment supply. The authors took up Ogata Beach on the coast of Joetsu as one such example and revealed the occurrence of significant seabed erosion in the areas that were situated offshore of the artificial reefs and had water depths larger than the so-called closure depth.
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Report
(4 results)
Research Products
(21 results)
