| schema_version: "0.1" | |
| dataset: ERA5 | |
| format: hdf5 | |
| file_pattern: data/<year>.h5 | |
| year_range: | |
| start: 1979 | |
| end: 2025 | |
| file_count: 47 | |
| datasets: | |
| fields: | |
| shape: [T, 243, 721, 1440] | |
| dtype: float32 | |
| dimension_order: [time, variable, latitude, longitude] | |
| attrs: | |
| variables: "243 个变量名，顺序与 fields 第二维、global_means、global_stds 对齐" | |
| time_step: 6 | |
| global_means: | |
| shape: [1, 243, 1, 1] | |
| dtype: float32 | |
| description: "按变量顺序排列的全局均值" | |
| global_stds: | |
| shape: [1, 243, 1, 1] | |
| dtype: float32 | |
| description: "按变量顺序排列的全局标准差" | |
| spatial_grid: | |
| latitude_points: 721 | |
| longitude_points: 1440 | |
| nominal_resolution: [0.25, 0.25] | |
| sample_unit: "一个年度 HDF5 文件包含该年的 6 小时间隔多变量格点场；一个训练样本由 datapipe 从相邻时间步构造输入和目标。" | |
| notes: | |
| - "变量列表以每个 HDF5 文件中 fields.attrs['variables'] 为准。" | |
| - "FengWu 标准化模型包使用其中 189 个通道。" | |