城市化可能引起的地貌灾害及其防治

城市化可能导致流水地貌过程系统的变化,加剧水土流失和洪水威胁;还可能导致重力地貌过程系统的变化,造成土滑、滑坡和崩塌等灾害;城区地下水、地下其它液体和固体物质的开采,可能引起地面沉降或坍陷。这一切会影响自然环境与人类环境,故应采取相应的防治措施。

POSSIBLE GEOMORPHOLOGICAL HAZARDS CAUSED BY URBANIZATION AND ITS CONTROL

Urbanization may cause the change of fluvial geomorphological process system and aggravate the soil erosion and the flood threat. It also may cause the change of gravitational geomorphological process system, giving rise to soil slip, landslide, fall and so on. The exploitation of ground water and some other liquid or solid materials may cause the land subsidence or collapse. All these problems would influence the natural and human environment. Therefore, the ahpropriate prevention and control measures should be taken to deal with the protlems.