| Arctic Sea Ice Concentration and Extent from Danish Meteorological Institute Sea Ice Charts, 1901-1956, Version 1 User Guide | User Guide | 1.53 MB |
| Arctic Sea Ice Freeboard and Thickness, Version 1 User Guide | User Guide | 332.98 KB |
| Arctic Sea Ice Melt Pond Statistics and Maps, 1999-2001, Version 1 User Guide | User Guide | 1.74 MB |
| Arctic Sea Ice Seasonal Change and Melt/Freeze Climate Indicators from Satellite Data, Version 1 User Guide | User Guide | 170.62 KB |
| Arctic Sea State 2015 Field Campaign, Version 1 User Guide | User Guide | 1.16 MB |
| Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2 User Guide | User Guide | 67.78 KB |
| Arctic Water Vapor Characteristics from Rawinsondes | User Guide | 229.16 KB |
| ASF Scientific SAR User's Guide | ATBDs | 283.18 KB |
| ASO Basins and Geographical Extents | General Resources | 52.08 KB |
| ASO L4 Lidar Point Cloud Digital Terrain Model 3m UTM Grid | User Guide | 279.61 KB |
| ASO L4 Lidar Snow Depth 3m UTM Grid | User Guide | 372.81 KB |
| ASO L4 Lidar Snow Depth 50m UTM Grid | User Guide | 396.43 KB |
| ASO L4 Lidar Snow Water Equivalent 50m UTM Grid | User Guide | 454.56 KB |
| Assessing the Potential of Enhanced Resolution Gridded Passive Microwave Brightness Temperatures for Retrieval of Sea Ice Parameters | General Resources | |
| Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements | Quality Assessment Reports | 2.23 MB |
| ATL02 Data Dictionary (V01) | Product Specification Documents | 393.7 KB |
| ATL02 Data Dictionary (V02) | Product Specification Documents | 307.22 KB |
| ATL02 Data Dictionary (V03) | Product Specification Documents | 304 KB |
| ATL02 Data Dictionary (V04) | Product Specification Documents | 421.44 KB |
| ATL02 Data Dictionary (V05) | Product Specification Documents | 429 KB |