WANG You-sheng,LIU Xia,YAO Xiao-you,et al.Spatial and Temporal Variability of Landuse and Soil Erosion in Feixian County[J].Research of Soil and Water Conservation,2011,18(05):19-22.
费县土地利用和土壤侵蚀时空变化分析
- Title:
- Spatial and Temporal Variability of Landuse and Soil Erosion in Feixian County
- 分类号:
- S157.1;F301.24
- 摘要:
- 深入研究土地利用和土壤侵蚀关系对认识人类活动在自然环境变化中的作用机制具有重要意义。以TM影像为数据源，基于ERDAS遥感处理平台和ArcGIS地理信息系统平台，综合分析了费县1987年和2007年两个典型时期的土地利用、土壤侵蚀的时空变化。结果表明：费县土壤侵蚀主要发生在耕地、林地、草地这3种土地利用类型中；1987-2007年20 a间,费县耕地、草地、水域和未利用土地面积减少，林地、建设用地面积增加,土壤侵蚀面积减少，侵蚀等级下降。总体来说,费县土地利用和土壤侵蚀状况都是向良性的轨道发展。建议今后在继续进行退耕还林的同时，推行合理的耕作制度，有效减少土壤侵蚀。
- Abstract:
- Studying the relationship between landuse and soil erosion is important for the understanding of human activity on the mechanism of natural environment change. The relation between landuse change and soil erosion change was explored using the data from TM images in the two periods of 1987 and 2007 on the platform of ERDAS and ArcGIS. Results showed that soil erosion mainly occurred in cultivated land, forest land and grass land. The areas of cultivated land, grass land, water and unused land decreased, the areas of forest land and construction land increased from 1987 to 2007. The area of soil erosion decreased and its level descended. Generally speaking, landuse and soil erosion control in the study area develop towards a good direction. To reduce soil erosion effectively, it is essential to implement resonable cropping system with simultaneous returning cultivated lands to forests in the future.
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备注/Memo
收稿日期:2011-4-4;修回日期:2011-5-9
基金项目:水利部淮河水利委员会“淮河流域生态修复机理和评价指标研究”，“淮河流域黄泛风沙区水土流失分布格局与防治对策研究”；国家自然科学基金“沂蒙山区退耕坡地土壤结构与入渗动态及其分形学机理”（31070627）
作者简介:王友胜（1987- ），男，在读研究生，主要研究方向：流域管理与信息技术。E-mail：wangyousheng119@163.com
通讯作者:刘霞（1971-）,女，教授，博士，主要研究方向：水土保持生态修复和水土保持信息技术。E-mail：liuxia@sdau.edu.cn