CHARACTERISTICS OF BED-LEVEL FLUCTUATION BASED ON COLLABORATIVE MONITORING AT MANGROVE FOREST DOWN THE DAM IN OKUKUBI RIVER, OKINAWA
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- IMAI Yota
- 徳島大学大学院先端技術科学教育部知的力学システム工学専攻
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- TAKEMURA Shion
- 総合地球環境学研究所
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- TAKAZATO Naomasa
- 株式会社ふくらしゃや
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- INUI Ryutei
- 山口大学大学院 理工学研究科社会建設工学専攻
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- AKAMATSU Yoshihisa
- 山口大学大学院 理工学研究科社会建設工学専攻
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- KAMADA Mahito
- 徳島大学大学院 ソシオテクノサイエンス研究部
Bibliographic Information
- Other Title
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- 協働モニタリングによる沖縄本島億首川ダム直下マングローブ林の河床変動特性の把握
- キョウドウモニタリング ニ ヨル オキナワ ホントウ オクシュガワ ダム チョッカ マングローブリン ノ カショウ ヘンドウ トクセイ ノ ハアク
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Description
Influence of hydraulic conditions on the bed-level fluctuation of mangrove forest during flood was clarified at the Okukubi River in Okinawa Island, Japan. Bed-level changes were monitored every one month from June 2012 to July 2015 at 18 stations. While non-dimensional shear stress during a flood was estimated by two-dimensional bed deformation analysis. Then relationship between observed bed-level change and non-dimensional shear stress was evaluated from correlation analysis. Bed-level change negatively correlates with non-dimensional shear stress during large flood. While during small flood, bed-level change doesn't correlates with non-dimensional shear stress. These results represent that bed-level fluctuation is occurred at sites where large non-dimensional shear stress is keeping during large floods. This condition can apply to selecting priority site in order to restoration of degraded mangrove forest.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 72 (4), I_1093-I_1098, 2016
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001205353528704
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- NII Article ID
- 120006395586
- 130005311896
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- NII Book ID
- AN10426673
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- ISSN
- 18808751
- 2185467X
- 09167374
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- NDL BIB ID
- 027186328
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed