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Changes in drag and drag coefficient on small Sargassum horneri (Turner) C. Agardh individuals
Xu, Min1,2; Sasa, Shuji2; Otaki, Takayoshi2; Hu, Fu-xiang3; Tokai, Tadashi3; Komatsu, Teruhisa2
2018
发表期刊AQUATIC BOTANY
ISSN0304-3770
卷号144页码:61-64
通讯作者Xu, Min(xuminwzy@aliyun.com)
摘要Sargassum horneri (Turner) C. Agardh is used to restore, create, and recreate seaweed beds along the coastlines of East Asia. Drag produced by waves is a bulk force that can detach thalli from substrata during the early growth stages from substrata. In this study we measured drag forces on small S. humeri thalli (10-40 cm long). Unidirectional steady flow was controlled from 20 to 130 cm s(-1) in increments of 10 cm s(-1) in a recirculating water tank. Drag force on individuals ranged from similar to 0.3 N to similar to 3 N. Drag (F-drag) and water velocity (U) produced the following exponential empirical approximations: F-drag = 0.0168 x U-0.8925. The drag coefficient (Cd) was plotted as a function of Reynolds number (Re) as follows: Cd = 4744.7 x Re-0.93. Cd converged to 0.037 at Re of 10(5-6) suggesting that small thalli exhibit optimal morphological adaptations to withstand high current speeds.
关键词Sargassum horneri Drag Drag coefficient Cd Reynolds number Re
DOI10.1016/j.aquabot.2017.11.002
收录类别SCI
语种英语
资助项目Ministry of Education, Culture, Science and Sports of Japan (MEXT) ; Japan Society for Promotion of Science[22255010] ; Japanese Association of Marine Biology (JAMBIO) of Shimoda Marine Research Center, Tsukuba University ; Ministry of Education, Culture, Science and Sports of Japan (MEXT) ; Japan Society for Promotion of Science[22255010] ; Japanese Association of Marine Biology (JAMBIO) of Shimoda Marine Research Center, Tsukuba University
WOS研究方向Plant Sciences ; Marine & Freshwater Biology
WOS类目Plant Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000418310300008
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/157778
专题中国科学院海洋研究所
通讯作者Xu, Min
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Tokyo, Atmosphere & Ocean Res Inst, Chiba 2770882, Japan
3.Tokyo Univ Marine Sci & Technol, Grad Sch Marine Sci & Technol, Tokyo 1088477, Japan
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Xu, Min,Sasa, Shuji,Otaki, Takayoshi,et al. Changes in drag and drag coefficient on small Sargassum horneri (Turner) C. Agardh individuals[J]. AQUATIC BOTANY,2018,144:61-64.
APA Xu, Min,Sasa, Shuji,Otaki, Takayoshi,Hu, Fu-xiang,Tokai, Tadashi,&Komatsu, Teruhisa.(2018).Changes in drag and drag coefficient on small Sargassum horneri (Turner) C. Agardh individuals.AQUATIC BOTANY,144,61-64.
MLA Xu, Min,et al."Changes in drag and drag coefficient on small Sargassum horneri (Turner) C. Agardh individuals".AQUATIC BOTANY 144(2018):61-64.
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