为保证三峡航道畅通,三峡开发总公司首次对三峡工程永久船闸下引航道及口门区,进行了为期一个月的汛期维护性清淤。长江委水文局提供的监测分析成果,在业主实施清淤决策中发挥了重要的参谋指导作用。 由于汛期泥沙在引航道口门区极易形成拦门沙坡,当汛末 In order to ensure the smooth flow of the Three Gorges, the Three Gorges Development Corporation conducted a one-month maintenance dredging in the next approach channel and access area to the permanent ship lock of the Three Gorges Project. The results of the monitoring and analysis provided by the Hydrology Bureau of Yangtze River Commission have played an important role in guiding staff in implementing dredging decisions. Due to the flood season sediment in the pilot road gate area can easily form a barricaded sand slope, when the flood end