河流改道

同时，由于既有线路上地质环境的变化，如：地震、河流改道、泥石流等，需要对原有线路的设备进行安全改造的施工，新建棚洞即属于其中一项。

At the same time , due to changes in the geological environments belongs to the existing lines , such as earthquakes , river diversion , landslides , one of the safety improvements in the the original lines and equipments , is the new shed tunnel construction .

他们使河流改道。

They divert the course of a river .

专家们正设法使这条河流改道。

The experts are trying to deflect the stream from its original course .

察尔汗盐湖的河流改道、湖泊迁移与钾盐富集

Migration of rivers and lakes in the Qarhan Salt playa , qaidam Basin

村民们将河流改道使其进入新水道。

The villagers diverted the river from its course to a new channel .

让河流改道这样的工程被标榜为国力的展示，而不考虑是否科学。

Projects to divert rivers were sold as demonstrations of what a nation could do , rather than what it should .

使河流改道的方案已完全停止，因为没有钱来完成这一方案。

The scheme to divert the river has come to a full stop because of lack of money to finish it .

我们能够使河流改道，能够把高山夷为平原，海洋、陆地和天空都成了我们进行大规模贸易的通衢。

We can turn rivers in their courses , level mountains to the plains . Oceans and land and sky are avenues for our colossal commerce .

那位土地所有者想把那条河流改道来浇灌他的土地，但是当一群武装的村民前来表示反对时，他退缩了。

The landowner wanted to divert the river to irrigate his land but drew in his horns when an armed band of villagers arrived to express their disapproval .

许多专家表示，随着建筑商让民众搬迁、使河流改道、砍伐森林、修建大坝，这类项目也会严重影响当地的社区和环境。

Many experts say such projects also exact a heavy toll on local communities and the environment , as builders displace people , clear forests , reroute rivers and erect dams .

在遥感调查和监测的基础上，结合第四纪地质资料，对黄河银川平原段的河道演变过程进行了系统研究，对主要的河流改道原因进行了分析。

Based on remote sensing monitoring and investigation combined with data of Quaternary geology , the authors studied and analyzed the change process of the Yellow River course in Yinchuan plain sector .

但是，要阻止因过度放牧以及污水排放造成的湿地迅速流失，还包括各种水利建设、河流改道等项目所造成的湿地破坏，还需要采取更多其他措施。

But , he adds , there is still a need for additional steps to stop the rapid loss of the many other wetlands due to overgrazing and drainage and to prevent wetland loss due to schemes like dams and water diversion .

山体崩塌，地表陷落，河流改道，房屋、农田、水利工程等的损毁，震后社会生产、生活长期难以恢复。

Social production and social life after the earthquake is hard to recover in that , for example , mountain collapse , surface subsidence , changes of the river courses , house , farmland , water engineering and so on , are damaged .

在构造运动的活跃期，以构造活动为基本动力，其它作用为影响因素促进或减弱河流改道及三角洲发育，从而影响三角洲的演变。

During the active period of the tectonic movements , the diversions and formation of the river was promoted or weakened mainly as a result of tectonic activities being the basic driving force and some other factors , thereby affecting the evolution of the delta .

如果真是这样，那河流被改道到哪里去了呢？

But if so , where did the river getrerouted ?

河流的改道、思想的转变

The diversion of a stream , one 's thoughts

多沙河流的改道，对地表特征不同的自然区的水、土环境造成的影响有较大的区别。

Impacts of sandy rivers on water and edaphic environments vary significantly according to the surface features of the areas in question .

大约同时，地质沉积物表明发生了大规模的洪灾，在后汉时期的文献《蜀王编年史》记录了来自一处山头的洪水，表明河流被改道了，范说。

Around the same time , geological sediment ssuggest massive flooding occurred , and the later-Han dynasty document " The Chronicles of the Kings of Shu " records ancient floods pouring from amountain in a spot that suggests the flow being rerouted , Fan said .

总之，这些发现向人们暗示了一个大地震引发了滑坡并堵塞了河流，河流从而改道，三星堆所获得水资源从而减少，范说。

Together , the findings hint that a major earthquake triggered a landslide that dammed the river , rerouting its flow and reducing water flow to Sanxingdui , Fan said .

范和他的同事怀疑是否曾今发生过一次地震，导致滑坡，从而将高山上的河流堵塞，迫使河流改道到金沙。

Fan and his colleagues wondered whether an earthquake may have caused landslides that dammed the river high up in the mountains and rerouted it to Jinsha .

由于河流洪枯水交替变化，加之新构造运动的影响，本区的河流改道频繁。

Due to alternative occurrence of floods and droughts as well as the influence of neo-tectonic movement , the channels of rivers in Horqin Sandy Land change frequently .