ウォッシュロード |
wash load |
栄養塩 |
nutrient salts |
堆砂 |
sedimentation |
堆砂位 |
sediment level |
エネルギー補正係数 |
energy correction coefficient |
掃流砂 |
bed load/tractional load |
堆砂形状 |
shape of sedimentation |
堆砂勾配 |
slope of sedimentation |
堆砂線 |
sediment profile |
堆砂容量 |
storage capacity for sedimentation |
土砂生産 |
sediment yield |
土砂濃度 |
sediment concentration |
微細砂 |
fine sand |
浮遊(土)砂 |
suspended sediment |
浮遊砂濃度計 |
suspended sediment concentration indicator |
浮遊漂砂 |
suspended-load transportation |
浮遊物 |
suspended material |
浮遊性固形物/浮遊物質 |
suspended solids (SS) |
浮流砂 |
suspended load |
流径 |
hydraulic radius |
流砂 |
sediment transport |
洪水流 |
flood flow |
物質輸送 |
mass transport |
蛇行 |
meandering |
河川環境の復元 |
restoration of riparian / river environment |
流路 |
watercourse |
流域 |
catchment basin |
氾濫原 |
floodplain |
生態系 |
eco-system |
河川法 |
River Law |
治水安全度 |
safety level of flood control |
合流点(河川と河川) |
confluence |
分岐部
(旧河道と現河道) |
the joining of the meander and the straight channel |
河畔林 |
riparian woods |
標津川蛇行復元計画 |
Shibetsu River Meandering Restoration Project |
旧河道 |
pre-improved channel |
現河道 |
present channel |
河床勾配 |
Channel Bed Profile |
半透性 |
semi-pervious |
堰 |
weir |
閉鎖性水域 |
closed water body |
蛇行曲頂 |
the turning point of meandering curvature |
蛇行曲頂 |
the point of maximum curvature in one meander loop |
河床幅 |
Channel Width |
河岸勾配 |
bank slope |
河床材料 |
bed material |
平均粒径 |
average grain size |
河床縦断勾配 |
longitudinal slope |
年最大日流量 |
annual max. daily discharge |
融雪出水 |
snowmelt flooding |
降雨出水 |
storm-water flooding |
流砂変化量 |
changes in sediment transport |
2次流 |
secondary current |
侵食速度 |
erosion velocity |
水理量 |
hydraulic variables |
無次元掃流力 |
dimensionless tractive force |
限界掃流力 |
critical tractive force |
曲率 |
sinuosity |
砂州の前縁線 |
front sandbar-line |
自由渦型 |
free vortex |
強制渦型 |
forced vortex |
主流線 |
main streamline |
侵食 |
scouring, erosion |
河床形状 |
bed morphology |
踏査 |
reconnaissance |
単列砂州 |
single‐row bar |
複列砂州 |
double-row bar |
河岸線 |
front bank-line |
波状河道 |
sinuous channel |
谷線 |
thalweg |
湾曲 |
bend |
最大曲率 |
maximum sinuosity |
洗掘を受けた河岸 |
concave bank |
網状河道 |
braided channel |
網状流 |
braided stream |
流域形状 |
River Morphology |
河道中心線 |
channel centerline |
網目状 |
braiding |
河道勾配 |
channel slope |
河床平衡 |
equilibrium bed topography |
氾濫原 |
floodplain |
固定砂州 |
Point-bar |
交互砂州 |
Alternate bars |
破堤 |
Avulsion |
境界条件 |
boundary conditions |
線形化 |
linearization |
受食性 |
erodibility |
流心 |
centroid |
平衡 |
equilibrium |
切り立った川岸 |
cut bank |
外岸 |
outside bank of a bend |
連続の式 |
equation of continuity |
運動方程式 |
equation of motion |
瀬 |
riffle |
淵 |
pool |
早瀬 |
rapid |
平瀬 |
run |
水理量 |
hydraulic parameters |
河床形態 |
bed morphology |
河川形態学 |
river/fluvial morphology |