ChinaCropSM1km: a fine 1km daily Soil Moisture dataset for dryland wheat and maize across China during 1993–2018

ChinaCropSM1km provides 1km gridded daily Soil Moisture for Crop drylands across China over 1993–2018, which contains four daily datasets separately by crop type and soil depth (crop-type _soil-depth). This dataset is maize_10-20. *** The data file is in “.tif" format *** Spatial extent: maize drylands across China *** Soil depth: 10-20cm *** Temporal Resolution: Daily *** Pixel size: 1000 m *** Projection information: GCS_WGS_1984 *** Filename convention: Year_DOY.tif *** Year: Values from 1993 to 2018ChinaCropSM1km数据集涵盖1993年至2018年中国范围内旱地作物的1公里格网逐日土壤湿度数据，包含四套按作物类型与土层深度划分的逐日数据集，命名格式为"作物类型_土层深度"。本次示例为玉米_10-20cm（maize₁₀₋₂₀）数据集。数据文件格式为".tif"，空间覆盖范围为中国境内玉米旱地，土层深度为10-20厘米，时间分辨率为逐日，像素尺寸为1000米，投影坐标系为GCS_WGS_1984，文件名命名规则为"年_日序.tif"，年份取值区间为1993年至2018年。