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对秦岭地区三期TM影像进行解译,通过建立土地利用转移矩阵和一套数理统计模型对土地利用/土地覆被变化进行分析.结果显示:1990～2007年间,秦岭地区以林草地为主,前期除建设用地增加外,其他用地面积有少量的减少.后期的变化较前期来说更明显,耕地急剧减小,林草地快速增长,建设用地和水域增加,未利用地减少.总体上来说,1990～2000年间,秦岭地区土地处于双向准平衡状态;2000～2007年,秦岭土地属于单向不平衡状态,这说明土地利用/覆被有向不平衡状态发展的趋势.
Based on the interpretation of the TM images of the third phase of the Qinling Mountains and the analysis of land use / cover change by establishing a land use transfer matrix and a set of mathematical statistical models, the results show that: from 1990 to 2007, In addition to the increase of construction land in the previous period, there was a slight decrease in other land areas, with the later changes being more obvious than the previous period, with a sharp decrease in cultivated land, the rapid growth of forest and grassland, the increase in construction land and water area, and the reduction in unutilized land.In general, From 1990 to 2000, the land in Qinling Mountains was in two-way quasi-equilibrium state. From 2000 to 2007, Qinling land belonged to one-way unbalanced state, which indicated the tendency of land use / cover directed unbalanced development.