基于经验模型的长江口南支上段压咸临界流量

严鑫,孙昭华,谢翠松,夏军强

Estimation of critical discharge for saltwater intrusion in the upper south branch of the Yangtze River Estuary using empirical models

YAN Xin,SUN Zhaohua,XIE Cuisong,XIA Junqiang

表5 长江口南支中上段盐度预测的统计模型

Tab. 5 The statistical models of salinity prediction in the upper reach of south branch in the Yangtze Estuary

文献来源	关系式形式	变量含义
茅志昌^[16]	$S ~exp (\frac{Δ H^{α}}{Q^{β}})$	S为宝钢盐度;?H为青龙港潮差;Q为大通流量
郑晓琴^[17]	$S = f (Δ H, Q) = a e^{b Δ H} + a e^{b Δ H} (c_{1} Q^{3} + c_{2} Q^{2} + c_{3} Q + c_{4})$	S为青龙港盐度;?H为青龙港潮差;Q为大通流量
陈立等^[18]	$S = (4.16 \times 10^{- 9} Q^{2} - 2.745 \times Q + 4.317) \times 0.02404 \times e^{0.009085 Δ H}$	S为陈行盐度;?H为青龙港潮差;Q为大通流量
孙昭华等^[29]	$C = A \exp (- bQ) \times \exp \{a Δ H_{0} + 0.7 a \times \cos [\frac{2 π}{14.75} \times (t - 3)]\}$	Q为大通流量;?H₀为徐六泾潮差;t为农历日期;C为东风西沙氯度