基于月时间尺度的安徽省土壤侵蚀研究  

Soil Erosion in Anhui Province Based on Monthly Time Scale

作　　者：祁奥 赵明松[1,2,3] 徐少杰 王世航 QI Ao;ZHAO Ming-song;XU Shao-jie;WANG Shi-hang(School of Geomatics,Anhui University of Science and Technology,Huainan 232001,China;Key Laboratory of Aviation-aerospace-ground Cooperative Monitoring and Early Warning of Coal Mining-induced Disasters of Anhui Higher Education Institutes,Huainan 232001,China;Coal Industry Engineering Research Center of Collaborative Monitoring of Mining Area's Environment and Disasters,Huainan 232001,China)

机构地区：[1]安徽理工大学空间信息与测绘工程学院,淮南232001 [2]矿山采动灾害空天地协同监测与预警安徽省教育厅重点实验室,淮南232001 [3]矿区环境与灾害协同监测煤炭行业工程研究中心,淮南232001

出　　处：《科学技术与工程》2024年第34期14604-14613,共10页Science Technology and Engineering

基　　金：安徽省自然科学基金(2208085MD88);国家自然科学基金(41501226,31700369);安徽理工大学人才引进项目(ZY020)。

摘　　要：基于RUSLE模型,定量分析安徽省各月土壤侵蚀空间分布特征,了解安徽省土壤侵蚀危险时段,探讨土壤侵蚀与植被、降雨及土地利用类型之间的关系。结果表明:安徽省3月份土壤侵蚀较为剧烈,平均侵蚀模数为123.31 t/(km^(2)·month),侵蚀总量为1.63×10^(7) t/month;7月份土壤侵蚀较弱,平均侵蚀模数为24.32 t/(km^(2)·month),侵蚀总量为3.21×10^(6) t/month。安徽省各月土壤侵蚀强度均以微度侵蚀为主,各时期微度侵蚀面积占侵蚀总面积的75%以上。安徽省中度及以上土壤侵蚀主要集中在皖南丘陵山区、皖西大别山地区。皖南、皖西地区侵蚀总量占据各月侵蚀总量的84%以上。3月份皖西、皖南平均侵蚀模数分别达到了251.50、408.89 t/(km^(2)·month)。今后应加强对皖西大别山、皖南丘陵山区的治理,应适当增加山地区域的植物物种多样性,降低土壤流失。Based on RUSLE model,the spatial distribution characteristics of soil erosion in Each month in Anhui province were quantitatively analyzed to understand the risk period of soil erosion in Anhui Province,and to discuss the relationship between soil erosion and vegetation,rainfall and land use types.The results show as follows.The soil erosion in Anhui Province was severe in March,with an average erosion modulus of 123.31 t/(km^(2)·month)and a total erosion of 1.63×10^(7) t/month.Soil erosion was weak in July,with an average erosion modulus of 24.32 t/(km^(2)·month)and a total erosion of 3.21×10^(6) t/month.The intensity of soil erosion in Each month in Anhui province is mainly micro-erosion,and the area of micro-erosion in each period accounts for more than 75%of the total erosion area.Moderate and above soil erosion mainly occurred in the hills and mountains of southern Anhui and dabie Mountains of western Anhui.The total amount of erosion in southern and western Anhui accounted for more than 84%of the total amount of erosion in each month.In March,the mean erosion modulus in western and southern Anhui reaches 251.50 t/(km^(2)·month)and 408.89 t/(km^(2)·month),respectively.In the future,it is necessary to strengthen the governance of dabie mountain in western Anhui and the hilly and mountainous areas in southern Anhui,appropriately increase the plant species diversity in mountain areas and reduce soil loss.

关 键 词：RUSLE模型 月土壤侵蚀 安徽省 土地利用 

分 类 号：S157.1[农业科学—土壤学]