《Table 4 The flow velocity and stagnant water ratio under different schemes》

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《一种河湖水系连通方案的综合评估方法——以汤逊湖湖泊群为例（英文）》

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The hydrodynamic effects of the five schemes were simulated by the model set up in this study.The flow velocity of the Tangxun Lake group before and after water diversion is shown in Table 4.Before water diversion，the overall water liquidity of the lakes was weak.The mean flow velocity was 0.0015 m/s and the stagnant water ratio was 31.4%.After the diversion，the overall liquidity of the lake group improved to a certain degree.The mean and maximum flow velocity of the lake group increased，and the stagnant water ratio decreased obviously.More specifically，the mean flow velocity of both Scheme I and II is no more than0.006 m/s，indicating that these two schemes have a little impact on the hydrodynamic process.As for Scheme V，the overall liquidity of the lake group improved greatly after the diversion.The mean flow velocity increased to 0.0087 m/s，and the stagnant water ratio decreased to 21.6%.