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珠江三角洲是一个水沙条件十分复杂的河口,这是不同于黄河、长江、钱塘江的又一类型河口。它的特点是:水网发达,河道平缓,径流量大,含沙量小,潮差较小。研究珠江三角洲的治理,牵涉到河网、径流、泥沙、潮汐、咸淡水渗混等问题,异常复杂。因此整治珠江三角洲是一个重大的科学技术问题,需要做大量的调查研究、观测试验工作,需要开展学术研究,集思广益,反复讨论,探求较准确的治理措施和方案。广东省水电局珠江三角洲整治规划办公室提出了初步的规划报告,对重点工程作了布局。有关科研部门和业务部门对规划方案进行了广泛讨论,也引起了许多不同的看法。水利部珠江水利委员会成立以后,正加强河道水文勘测和有关科研工作,并重新研究三角洲规划布局。
The Pearl River Delta is an extremely complex water and sediment estuary, which is another type of estuary different from the Yellow River, the Yangtze River and the Qiantang River. Its characteristics are: developed water network, smooth river, large runoff, sediment concentration, tidal range smaller. Research on the Pearl River Delta’s governance involves such issues as river network, runoff, sediment, tides, and seeping of fresh and brackish water, which are exceptionally complex. Therefore, remediation of the Pearl River Delta is a major science and technology issue. We need to do a lot of investigation and study and observation and test work. We need to carry out academic researches, brainstorm ideas and discussions, and explore more accurate governance measures and plans. The Pearl River Delta Regulation and Planning Office of Guangdong Provincial Bureau of Hydropower proposed a preliminary planning report and laid out the layout of key projects. The research departments and business departments conducted extensive discussions on the planning proposal and also aroused many different opinions. After the establishment of the Pearl River Water Conservancy Commission of the Ministry of Water Resources, hydrological survey and related scientific research of the river are being strengthened and the planning and layout of the delta are re-studied.