珠江河网典型横向汊道水面线演变及成因

王博芝,李博,魏稳,欧素英,蔡华阳,杨清书

Water surface profile dynamics and underlying mechanism of typical transverse channels in Pearl River channel network

Bo-zhi WANG,Bo LI,Wen WEI,Su-ying OU,Hua-yang CAI,Qing-shu YANG

表 1 双累积曲线拟合参数及Q对S或|δ|的贡献率

Tab.1 Double cumulative curve fitting parameters and contribution rate of Q toS and | δ |

变量 时间段 a b 贡献率/% Q-S 1960—1992 1.00 1.03 109 Q-S 1993—2016 0.85 0.71 41 Q-|δ| 1960—1992 1.50 0.97 138 Q-|δ| 1993—2016 0.00 2.73 41