SMEX03 Ancillary Soil Characteristics Data, Oklahoma, Version 1

The SMEX03 Ancillary Soil Characteristics data set contains data for the regional study areas of Alabama, Georgia, and Oklahoma, USA as part of the 2003 Soil Moisture Experiment (SMEX03). The original data were extracted from a multi-layer soil characteristics database for the conterminous United States and generated using Environmental Systems Research Institute (ESRI) ArcMap software for each regional study area.SMEX03辅助土壤特征数据集属于2003年土壤湿度实验（Soil Moisture Experiment 2003，简称SMEX03）的组成部分，涵盖美国阿拉巴马州、佐治亚州及俄克拉荷马州各区域研究区的相关数据。该数据集的原始数据提取自美国本土的多层土壤特征数据库，并针对每个区域研究区使用环境系统研究所（Environmental Systems Research Institute，简称ESRI）的ArcMap软件生成。