城镇侵蚀及其防治

Urban Erosion and Its Countermeasures

城镇侵蚀是土地侵蚀的一个类型,包括城镇建设过程中的侵蚀、城镇诱发侵蚀和城镇垃圾侵蚀.城镇侵蚀以人为侵蚀为主,侵蚀强度大,对下游危害严重,治理投资大.城镇侵蚀的防治原则是以防为主,防治结合,治管结合.

Urban erosion is one of the soil erosion types , including erosion caused in urban construction , erosion induced by urban development and urban waste erosion. Urban erosion occurs mainly because of human activities. Intensive urban erosion can result in severe harmfulness to lower reaches of rivers, and to harness it needs a great investment. To control urban erosion , preventive measures should be taken first , combining with harmnessment and management measures.