Exploring on Spatial Distribution of Danxia Landforms in China

The relationships among distributions of Danxia landform in China and natural elements such as terrains, climates, and red beds were explored by the use of computer technology through data processing, image-making, and space analysis. Accurate longitudes and latitudes for 799 Danxia Landform sites were obtained by Google Earth first, through spatial positioning. Those spatial data were then extracted by applying the free software, GPS Track Maker, version 13.6. After the data were processed and preserved in Excel, they were visualized by using ArcGIS 9.2.From this research we find that there are three high-density distributions of Danxia Landform in China: northeastern-southeastern Tibet Plateau; Wuyi Mountain-Nanling Mountain; Taihang Mountain-Wu Mountain-Xuefeng Mountain.