Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUJIYAMA So and ITO Yuki and NAGANO Kouichi and TARUYA Hiroyuki and NAKADA Toru and ITO Yuji and MOMII Kazuro,Estimation of Manning's Roughness Coefficient in Existing Concrete Open Channels by Using Roughness Coefficient Plates,"Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering",1882-2789,"The Japanese Society of Irrigation, Drainage and Rural Engineering",2017,85,2,II_97-II_102,https://cir.nii.ac.jp/crid/1390282680265966208,https://doi.org/10.11408/jsidre.85.ii_97