弯道环流形成的城陵矶河段莲花塘断面横向水位落差是防洪中非常关心的问题之一。
Water level difference crossing Lianhuatang section reduced by circulation flow is one of the most important problem in flood control.
理论分析和实验表明，改性动水位与同一井孔对应的静水位之间相差一恒定水位落差。
Both the theoretical and experimental results have shown that there is a constant water level difference between the refined dynamic water level and the static one in the same well.
本文提出了落差指数直接解算的数学模型，并应用于长江中游螺山站的水位流量关系分析。
A direct calculation mathematical model to fall exponent for using computer is put forward and applied for rating curve analysis in Luoshan Station at middle reaches of the Yangtze River.
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