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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 33
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 33
  5. 1

Cohesive sediment transport in the 3D hydrodynamic-baroclinic circulation model in the Mahakam Estuary, East Kalimantan, Indonesia

https://doi.org/10.15083/00040699
https://doi.org/10.15083/00040699
85d352d4-0311-4876-b411-a9a02fb953cc
名前 / ファイル ライセンス アクション
CMS330102.pdf CMS330102.pdf (2.8 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-05-19
タイトル
タイトル Cohesive sediment transport in the 3D hydrodynamic-baroclinic circulation model in the Mahakam Estuary, East Kalimantan, Indonesia
言語
言語 eng
キーワード
主題Scheme Other
主題 numerical models
キーワード
主題Scheme Other
主題 baroclinic
キーワード
主題Scheme Other
主題 salt wedge
キーワード
主題Scheme Other
主題 Estuary of Mahakam Delta
キーワード
主題Scheme Other
主題 tide
キーワード
主題Scheme Other
主題 cohesive sediment transport
キーワード
主題Scheme Other
主題 river discharge
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040699
ID登録タイプ JaLC
著者 MANDANG, Idris

× MANDANG, Idris

WEKO 139252

MANDANG, Idris

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YANAGI, Tetsuo

× YANAGI, Tetsuo

WEKO 139253

YANAGI, Tetsuo

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著者所属
著者所属 Interdisciplinary Graduate School of Engineering Science, Kyushu University
著者所属
著者所属 Faculty of Science Mulawarman University
著者所属
著者所属 Research Institute for Applied Mechanics, Kyushu University
抄録
内容記述タイプ Abstract
内容記述 A fully three-dimensional finite difference baroclinic model system for hydrodynamics and cohesive sediment transport is described. The hydrodynamic model is based on the hydrostatic and Boussinesq approximations. The simulation of cohesive sediment transport processes is performed solving the 3D-conservative advection-diffusion equation. The model is ECOMSED (Estuarine Coastal and Ocean Modeling System with Sediment) developed by HydroQual, Inc., (2002) which is applied to the transport of cohesive sediments in the Mahakam Estuary, East Kalimantan, Indonesia. The model was run for 15 days (27 June–12 July 2000) driven by tidal forcing at the open boundary and river discharge at the upstream. The observed temperature, salinity, and suspended sediment data were available for the start of the simulation. Good agreement was found between model results and observed temporal and spatial variations in water elevation, currents, and suspended sediment concentration (SSC) in the Mahakam Estuary. During the flood tidal condition, the tidal current advected the higher salinity water into the estuary, resulting in a relatively large salinity gradient inside the estuary. During the ebb tidal condition, the combined gravitational and tidal flows moved the low salinity water seaward from the upstream, leading to a rapid decrease of salinity near the mouth of the estuary. The simulation results of suspended sediment transport in the Mahakam Estuary nearly followed the salinity transport. The suspended sediments were mainly transported from Mahakam river towards Muara Pegah and Muara Jawa than Muara Berau and Muara Bayur. The SSC at Muara Jawa, Muara Pegah, and Muara Kaeli was mainly influenced by river discharge, meanwhile at Muara Bayur it was dominated by tidal current.
書誌情報 Coastal marine science

巻 33, 号 1, p. 9-21, 発行日 2009-08-20
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題Scheme NDC
主題 452
出版者
出版者 International Coastal Research Center, Ocean Research Institute, the University of Tokyo
出版者別名
東京大学海洋研究所国際沿岸海洋研究センター
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