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阐述了黄土高原地区城市化现状,分析了城市化对侵蚀环境带来的负面影响主要有:城市基本建设使松散堆积物大量增加;各种工业固体废弃物及生活垃圾的随意堆放;大量排放未经处理的污水;城市坚实下垫面增加地表径流和水动力;使近郊区耕垦指数增大、植被覆盖度减小;使地质地貌灾害增多;结果强化了侵蚀环境,促进了土壤侵蚀。提出了转变观念,重视城市水土保持,做好规划,搞好协作,加强法制等防治对策。
The status quo of urbanization in the Loess Plateau is expounded, and the negative impacts of urbanization on the erosion environment are analyzed as follows: Urban infrastructures make a large increase of loose deposits; Random dumping of various industrial solid wastes and household wastes; Treated sewage; Urban solid underlying surface to increase surface runoff and hydrodynamic; so that the suburbs Cultivated index increased vegetation coverage decreased; so that geological and geological disasters increased; the results of enhanced erosion environment and promote soil erosion. Put forward the concept of change, emphasis on urban soil and water conservation, good planning, improve collaboration, strengthen the legal system and other prevention and control measures.