High-Resolution (1 km) Daily Two-Layer Soil Moisture Dataset for the Korean Peninsula (1982-2022)

This dataset provides a high-resolution (1 km), daily, two-layer soil moisture (SM) product for the Korean Peninsula, covering the period from 1982 to 2022. It is the primary research output of the following scientific article: Zhang, X., Liu, X., Zhang, X., et al. (2025). A Fusion Strategy for High-Accuracy Multilayer Soil Moisture Downscaling and Mapping. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 18, 17405-17421. DOI: 10.1109/JSTARS.2025.3576126 Dataset Specifications: Geographic Coverage: The Korean Peninsula. Temporal Coverage: January 1, 1982 - December 31, 2022. Temporal Resolution: Daily. Spatial Resolution: 1 km. Data Layers: The dataset includes two layers of soil moisture: Surface Soil Moisture (SSM): 0-10 cm depth. Root Zone Soil Moisture (RZSM): 0-100 cm depth. File Format: GeoTIFF How to Cite:When using this dataset, please cite both the dataset itself (using the Zenodo-generated DOI) and the original research article referenced above. This research was supported by the following grants: National Key Research and Development Project of China (Grant Numbers: 2023YFF0807000 and 2025YFE0103300); National Natural Science Foundation of China (Grant Numbers: 42471349 and 42461144214); Natural Science Foundation of Guangdong Province (Grant Number: 2024A1515030078); Basic Research Project of Shenzhen (Grant Number: JCYJ20240813114013017); Natural Science Foundation of Wuhan (Grant Number: 2024040801020279); Guided Project of Hubei Provincial Department of Education (Grant Number: B2023246)本数据集覆盖朝鲜半岛，提供1982年至2022年期间的高分辨率（1千米）逐日双层土壤湿度（Soil Moisture, SM）产品。本数据集为以下科研论文的核心研究成果： Zhang, X., Liu, X., Zhang, X., 等. (2025). 高精度多层土壤湿度降尺度与制图融合策略. 《IEEE应用地球观测与遥感精选主题期刊》(IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing), 18, 17405-17421. DOI: 10.1109/JSTARS.2025.3576126 数据集规格： 地理覆盖范围：朝鲜半岛。 时间覆盖范围：1982年1月1日至2022年12月31日。 时间分辨率：逐日。 空间分辨率：1千米。 数据图层：本数据集包含两类土壤湿度图层： 表层土壤湿度（Surface Soil Moisture, SSM）：深度范围0~10厘米。 根区土壤湿度（Root Zone Soil Moisture, RZSM）：深度范围0~100厘米。 文件格式：GeoTIFF 引用方式：使用本数据集时，请同时引用该数据集本身（使用Zenodo平台生成的数字对象标识符（Digital Object Identifier, DOI））以及上述已发表的原创研究论文。 本研究得到以下项目资助：中国国家重点研发计划（项目编号：2023YFF0807000、2025YFE0103300）；中国国家自然科学基金（项目编号：42471349、42461144214）；广东省自然科学基金（项目编号：2024A1515030078）；深圳市基础研究项目（项目编号：JCYJ20240813114013017）；武汉市自然科学基金（项目编号：2024040801020279）；湖北省教育厅指导性项目（项目编号：B2023246）