WANG Jin-sha,WANG Ling,ZHAO Zhou,et al.Dynamic Change Analysis of Land Use and Land Cover Based on RS and GIS———Taking Reclamation Area of Shihezi as an Example[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(02):144-147.
基于RS 和GIS 的土地利用/土地覆被动态变化分析—以石河子垦区为例
- Title:
- Dynamic Change Analysis of Land Use and Land Cover Based on RS and GIS———Taking Reclamation Area of Shihezi as an Example
- 文章编号:
- 1002-2767(2009)02-0144-04
- Keywords:
- remote sensing techno logy ; geographic informatio n system; land use and land cover ; dynamic change
- 分类号:
- S127
- 文献标志码:
- A
- 摘要:
- 通过利用遥感、地理信息系统等技术方法, 对石河子垦区1989 年、2000 年的Landsat -TM 影像进行处理, 解译到石河子垦区土地利用变化空间数据, 并对石河子垦区1989~ 2000 年11 年间的土地利用/ 土地覆被数量、类型及其变化进行分析研究, 得到石河子垦区1989~ 2000 年土地变化情况及其土地利用变化转移矩阵。结果显示:石河子垦区近11年来土地利用/土地覆被变化速度很快。其中, 耕地和林草地面积皆成明显上升趋势, 平均每年分别以5.03%和5.13%的速度增加;盐碱地面积减少了655.40 km2 , 其年变化率最大达7.24%;水体湿地面积减少了103.09 km2 , 其年变化率减少4.58 %;荒漠的面积只减少了25.26 km2 , 并且年变化率最小, 以每年0.22%的速度在减少, 这些分析结果可为石河子垦区土地可持续利用提供有效的决策支持。
- Abstract:
- In this paper, the data of the spatial dynamic change of land use of Shihezi reclamation area’s remote sensing imageryin 1989 and 2000 years was derived by using the methods of remote sensing (RS) and geog raphical information system(GIS), the number, types and changes of land use and land cover were analy zed.The land use co nversion matrix was obtainedof Shihezi reclamation area during the period from 1989 to 2000 years.The result showed that the changing speed of land useand land cover in Shihezi reclamation area was very rapid .Among them, the areas of land and forest -g rassland appeared obviousincreasing trend .In average , the annual land area and fo rest-grassland area were increased by 5.03% and 5.13 % respectively.The area of saline-alkali soil reduced 655.40 km2 , its maximum of annual g radient reached 7.24%.The area ofwater -wetland reduced 103.09 km2 ,its maximum of annual gradient reached 4.58%.The area of desert only reduced 25.26km2 , which annual gradient is a minimum , and a speed of 0.22% reduced every year.These analysis results could be effectualreference for co ntinuous land use of Shihezi reclamatio n area.
参考文献/References:
[ 1] 赵俊美, 李晋陵, 马庆勋.GIS 和遥感技术在土地利用与土地覆盖动态监测中的应用探讨[ J] .现代农业科技, 2008(10):226-227.
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备注/Memo
基金项目:石河子大学第六期“SRP”项目(SRP0701001)第一作者简介:王金沙(1987-), 女, 新疆哈密市人, 学士, 从事资源环境与城乡规划管理研究。通讯作者:王玲(1974-),女,新疆人, E-mail:w ling @shzu .edu .cn 。 \