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基于DEM的云南楚雄高原地貌特征研究 被引量:2

Study on topographic features of Chuxiong Plateau based on DEM
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摘要 在GIS支持下,采用普通克里格法对云南楚雄高原的离散样点进行空间插值,得到了栅格化数据,借助于DEM模型及GIS的空间分析功能,对该地区进行地形分析,在此基础上得出研究区的高程、坡度专题图及坡度分布特征;坡向专题图及楚雄高原地貌坡向特征;地形起伏度专题图及楚雄高原的总体起伏度特征,为云南楚雄的经济及其它领域的发展提供依据。 Chuxong is located in the central part of Yunnan Plateau.Its topographic feature is closely related to the formation of Yunnan Plateau and the uplifting of Qinghai-Tibet Plateau.From a macro point of view,this paper first analysed the deposit-forming characteristics of the plateau.With the aid of GIS,raster data were obtained by using ordinary Kriging discrete samples throughout the region for spatial interpolation,and the terrain analysis was conducted by means of DEM model and spatial analysis function of GIS.Based on DEM,the thematic map of elevation,the map of landforms,thematic maps of slope,the thematic map of elevation,the aspect thematic maps and the thematic maps of degree terrain have been got.These maps depict the basic characteristics of Chuxiong Plateau,which provided valuable data for the economic development and other aspects in this area.
出处 《甘肃农业大学学报》 CAS CSCD 北大核心 2011年第6期109-114,134,共7页 Journal of Gansu Agricultural University
关键词 云南楚雄 DEM 高原地貌 特征 Chuxiong Plateau DEM plateau topography characteristics
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