Sediment resuspension and its relation to flood pulse

Material type: 図書

Author: UK, Sovannaraほか

Publisher: Springer Singapore

Publication date: 2022-06

Material Format: Paper

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Note (General)：: Sediment resuspension in Tonle Sap Lake (TSL) occurs predominantly during the period from March to June when the lake is shallow. According to our sur...

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Paper

Material Type: 図書
Title: Sediment resuspension and its relation to flood pulse
Author/Editor: UK, Sovannara
Siev, Sokly
佐藤, 路鷹
Satou, Yuki
Rajendra, Khanal
Sok, Ty
Try, Sophal
OEURNG, Chantha
吉村, 千洋
Yoshimura, Chihiro
Author Heading: UK, Sovannara
Siev, Sokly
佐藤, 路鷹
Satou, Yuki
Rajendra, Khanal
Sok, Ty
Try, Sophal
OEURNG, Chantha
吉村, 千洋
Yoshimura, Chihiro
Publication, Distribution, etc.: Springer Singapore
Publication Date: 2022-06
Publication Date (W3CDTF): 2022-06
Periodical title: Water and Life in Tonle Sap Lake
Text Language Code: eng
Target Audience: 一般
Note (General): Sediment resuspension in Tonle Sap Lake (TSL) occurs predominantly during the period from March to June when the lake is shallow. According to our survey in 2016–2017, the average resuspension rate ± standard error in the whole lake was 115 ± 66 g/m2/day in September, 93 ± 128 g/m2/day in December, 260 ± 246 g/m2/day in March, and 348 ± 227 g/m2/day in June. Resuspension rates in the low-water period (i.e., March and June) had a positive correlation with the concentration of total suspended solids (r = 0.45, p < 0.01). These results indicate that sediment in TSL and its floodplain is a major source of suspended solids during the low-water period. The resuspension rate is reduced by floodplain vegetation to approximately one-third of that in the open water of TSL. Besides water level and vegetation, several factors such as the dynamic ratio, wind, human activity, and aquatic fauna affect resuspension, and their relative importance varies with the water level. Overall, the flood pulse substantially influences sediment dynamics in TSL, especially resuspension, as a distinct seasonal process.
identifier:oai:t2r2.star.titech.ac.jp:50594392
Related Material (DOI): 10.1007/978-981-16-6632-2_19
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 東京工業大学 : 東京工業大学リサーチリポジトリ