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Local attributes describe the data and provide summary data on the results of the snow cover algorithm. Two types of local attributes are reported: Hierarchical Data Format (HDF) predefined and custom local attributes.
Attribute Name |
Reserved Label(s) |
Definition |
Sample Value |
| Label | long_name | Long name of the Scientific Data Set (SDS). | Monthly snow cover extent, 5km |
| Unit | units | International System of Units (SI) of the data. | None |
| Format | format | How the data should be viewed in Fortran format notation. | I3 |
| Coordinate system | coordsys | Coordinate system to use for the data. | latitude, longitude |
| Range | valid_range | Maximum and minimum values within a selected data range. | 0, 100 |
| Fill Value | _FillValue | Data used to fill gaps in the grid. | 255 |
Attribute Name |
Definition |
Sample Value |
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| Key | Key to the meaining of the coded integers within the SDS. |
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| Mask_value | Value given to masked areas from analysis, primarily oceans. | 254 | ||||||||||||||
| Night_value | Value assigned to cells in complete darkness. | 211 | ||||||||||||||
| Cell_resolution | Approximate resolution of the Climate Modeling Grid (CMG) cells. | 0.05 degrees | ||||||||||||||
| Antarctic_snow_note | Special note on Antarctica processing. | Antarctica deliberately mapped as snow |
Attribute Name |
Definition |
Value |
| Key | Explanation of the QA Flag. | 0 = good quality 1 = other quality 252 = Antarctica mask 254 = water mask 255 = fill |
