| 摘要: |
| 【目的】分析陕西省佛坪县长角坝乡2000-2005年土地利用变化的特征及其驱动力，为该乡土地的合理利用提供决策依据。【方法】对陕西省佛坪县长角坝乡2000年和2005年的遥感影像进行解译分类，利用单一土地利用类型动态度、土地变化强度、土地利用程度综合指数和土地利用程度变化模型，分析长角坝乡的土地利用变化特征及其驱动力。【结果】 长角坝乡未成林地的土地利用动态度变化幅度最大，每年以12.290%的速率迅速增长；有林地的土地变化强度最大，年增加0.980 0%；2000年和2005年的土地利用程度综合指数分别为202.387和203.891；2000-2005年的土地利用程度变化值大于0。【结论】长角坝乡是一个以林业为主的乡镇，土地利用程度较低，处于发展时期；影响该乡土地利用变化的驱动力因子主要是政策因素和经济因素。 |
| 关键词: 土地利用 土地覆盖 地理信息系统 遥感 |
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| 基金项目:国家林业局“948”项目（2009-4-45） |
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| Research on township LUCC and the driving forces based on RS&GIS |
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| Abstract: |
| 【Objective】The remote sensing images in Changjiaoba town of Foping county,Shaanxi province from 2000 to 2005 were interpreted and classified to provide a basis for reasonable land use decision making of the town.【Method】The dynamic degree of single land use type,the change intensity of land,the comprehensive index of land use degree and the change model of land use degree were used to analyse land use change characteristics and the driving forces of Changjiaoba town.【Result】The change range of the dynamic degree of land use of the no forest established land in Changjiaoba town was the largest with the growth of annual change rate of 12.290%;The land change intensity of the forest land was the largest reaching 0.980 0%,the area of the forest land was increasing;The comprehensive index of land use degree was 202.387 and 203.891 respectively in 2000 and 2005;The change value of land use degree was larger than zero from 2000 to 2005.【Conclusion】Changjiaoba town is mainly specialized in forestry industry.The land use is of comparatively low degree,still in development period.The driving force factors influencing the land use change of the Changjiaoba town are mainly policy and economic factor. |
| Key words: land use land cover GIS RS |
