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四川省的主要通航河流除长江外,均为长江支流,为长江集散物资,区间运输,起着重要作用。但由于近二十多年来在河流上陆续修建一些水利工程,有的是无坝引水,被引水河段的航道条件恶化;有的是筑坝引水,虽修建了船闸,但因枢纽布置不当,致使过闸条件不良。而且在枯水季节均由于电站的日调节,使下游河段航运受到影响。为了今后航运事业的发展,有必要对以往修建
In addition to the Yangtze River, the major navigable rivers in Sichuan Province are all the tributaries of the Yangtze River, which play an important role in the distribution of materials and transportation to the Yangtze River. However, some water conservancy projects have been built on the rivers in the recent two decades or so, and some have no dam diversion and the navigation conditions of the diversion sections have deteriorated. Some of them have led to diversion of water from dams. Although ship locks have been constructed, Bad conditions. And in the dry season are due to the daily regulation of the power station, so that the downstream reaches of shipping affected. For the future development of shipping business, it is necessary to build on the past