CHEN Qian,MA Ze-zhong,ZHENG Li,et al.Research on the Characteristics of Land Use Changes in Chongqing Mountain Cities from 1985 to 2010[J].Research of Soil and Water Conservation,2013,20(04):194-198.
重庆山地城市区1985-2010年土地利用变化特征研究
- Title:
- Research on the Characteristics of Land Use Changes in Chongqing Mountain Cities from 1985 to 2010
- Keywords:
- land use; spatial-temporal feature; RS and GIS; mountain cities
- 分类号:
- F301.24
- 摘要:
- 利用遥感与GIS研究区域土地利用变化，揭示其空间变化规律，能够有效监测土地利用变化。本文以重庆山地城市区为研究范围，利用1985—2010年8期Landsat TM遥感数据，对土地利用动态度、土地利用程度的变化特征进行系统分析。结果表明：1985—2010年重庆山地城市总体上呈现耕地、草地、未利用地面积减少，林地、建设用地、水域面积增加的趋势，且各地类变化的程度和过程有所不同；不同土地利用类型的动态度变化呈现出差异性，未利用地和建设用地的动态变化度一直较大，耕地和林地的很小；近26 a来，土地利用程度总体呈增大的趋势，表现出明显的时间阶段性。研究结果对区域土地管理及土地的合理利用具有一定的参考价值。
- Abstract:
- Research on the land use changes based on RS and GIS,can reveal the rules of spatial changes. Taking Chongqing Mountain Cities as the study area, the eight periods of TM images were chosen as the basic data sources, the characteristics of land use changes were analyzed systematically. The results indicate that the quantity of those land class, including cultivated land, grassland, unused land decreased from 1985 to 2010. Then the quantity of forest land, construction land, and water area increased. At the same time, the change degrees and processes were different of each land class. The dynamic degree for each class was different, unused land and construction land dynamic degree were high, while the cultivated land and forest land were very low. The land utilization degree increased in the past twenty-six years, but the change processes had different stages. The results can provide references for land management and sustainable land use.
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备注/Memo
收稿日期:2012-11-02;改回日期:2013-01-14。
基金项目:国家自然基金项目（41101503）；国家社科基金重大项目（11&ZD161）
作者简介:陈倩(1989-),女,重庆人,硕士研究生,主要研究方向:3S技术应用及土地资源管理。E-mail:66156132cxp@163.com
通讯作者:马泽忠(1972-),男(土家族),重庆石柱土家族自治县人,教授,硕士生导师。主要研究方向:空间信息处理技术、无人飞行器遥感技术和全球定位系统应用。E-mail:313782848@qq.com