Soil and Terrain Database (SOTER) for China

The Soil and Terrain database for China primary data (version 1.0), at scale 1:1 million (SOTER_China), was compiled of enhanced soil information within the framework of the FAO's program of Land Degradation Assessment in Drylands (LADA). The primary database was compiled using the SOTER methodology. The SOTER unit delineation was based on a raster format of the soil map of China, correlated and converted to FAO’s Revised Legend (1988), in combination with a SOTER landform characterization derived from Shuttle Radar Topographic Mission (SRTM) 90 m digital elevation model (DEM). Reference profiles for the dominant soil of the SOTER units has been directly linked to the polygons. SOTER forms a part of the ongoing activities of ISRIC, FAO and UNEP to update the world's baseline information on natural resources.The project involved collaboration with national soil institutes from the countries in the region as well as individual experts.

中国基础数据土壤与地形数据库（版本1.0，比例尺1:100万，简称SOTER_China），是在联合国粮食及农业组织（FAO）旱地土地退化评估（LADA）项目框架下，整合经强化处理的土壤信息编制而成。本基础数据库采用SOTER方法学进行编制。SOTER单元的划定以中国土壤图的栅格格式数据为基础，该数据经关联匹配并转换为FAO 1988年修订的图例体系，同时结合了由航天飞机雷达地形测绘任务（SRTM）90米数字高程模型（DEM）提取得到的SOTER地形特征参数。SOTER单元内优势土壤的参考剖面已直接关联至对应多边形图斑。SOTER是国际土壤参考与信息中心（ISRIC）、FAO及联合国环境规划署（UNEP）正在推进的全球自然资源基线信息更新工作的组成部分。本项目得到了区域各国国家土壤研究机构及相关专家的协作支持。