黄土高原城市化对侵蚀环境的负面影响及对策

Side effect to eroded environment from urbanization of loess plateau and countermeasures for it

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 present situation of Urbanization in Loess Plateau has been discussed.According to the analysis,there are some side effects to eroded environment from urbanization,which shows that capital construction in urban area can make loose deposit increase in amount,that waste solid material from industry and garbage form living of townspeople are piled at will and the untreated waste water is drained,that solid ground in urban area has made surface run off and waterpower increase,that the index of cultivation has led to more and more geological and geomorphological disasters.As a result,the eroded environment has been intensified,which has promoted soil erosion process.Some countermeasures for soil erosion control including improving the people′s sense to pay attention to soil and water conservation in urban area should be made in order to have a clear aim and demands,to make a good plan and cooperation between departments and to strengthen legal administration.