| NSIDC-0738 SMAP Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures Algorithm Theoretical Basis Document, Version 1.0 | ATBDs | 6.38 MB |
| NSIDC-0774 Algorithm Theoretical Basis Document Version 1 [2023] | ATBDs | 15.73 MB |
| NSIDC-0797-V001-UserGuide | User Guide | 294.41 KB |
| NWS Technical Procedures Bulletin No. 490 RUC20 - The 20-km version of the Rapid Update Cycle | Validation Campaign Documents | 1.39 MB |
| Observation-Corrected Precipitation for SMAP L4 Soil Moisture Products (v.6) and the GEOS R21C Reanalysis | General Resources | 404.11 KB |
| Observations for SEARCH: Data Integration for Arctic Reanalysis and Change Detection | General Resources | 2.71 MB |
| OIB Alaska Radar HDF5 Format Description and Processing Information | General Resources | 115.1 KB |
| On-Ice Arctic Sea Ice Thickness Measurements by Auger, Core, and Electromagnetic Induction, From the Fram Expedition Onward | User Guide | |
| On-Ice Arctic Sea Ice Thickness Measurements by Auger, Core, and Electromagnetic Induction, From the Fram Expedition Onward, Version 1 User Guide | User Guide | |
| On-Ice Arctic Sea Ice Thickness Measurements by Auger, Core, and Electromagnetic Induction, from the Late 1800s Onward, Version 2 | User Guide | 840.03 KB |
| Over 8,000 historical photographs added to NSIDC Glacier Photograph Collection | General Resources | 3.96 MB |
| Paleo-periglacial phenomena in Northwestern Europe, Version 1 User Guide | User Guide | 325.72 KB |
| PALS/In Situ Multi-Campaign 800 m UTM Grid Brightness Temperature, Backscatter, and Soil Moisture Match-Up User Guide | User Guide | 720.42 KB |
| Permafrost Map for Northwestern Canada (Mackenzie Region) | User Guide | 370.39 KB |
| Permafrost Map of Alaska, USA, Version 1 User Guide | User Guide | 139.56 KB |
| Permafrost monitoring and prediction in Southern Carpathians, Romania | User Guide | 285.93 KB |
| Permafrost of the Usa River Basin, Version 1 User Guide | User Guide | 170.2 KB |
| Permafrost Temperature Data from a Deep Borehole Array on the Arctic Slope of Alaska, Version 1 User Guide | User Guide | 77.07 KB |
| Permafrost-related micrometeorology and soil temperatures, Qingzang Plateau, China, Version 1 User Guide | User Guide | 33.21 KB |
| Permafrost, palsas and frost-crack polygons, Salluit, Quebec, Canada, Version 1 User Guide | User Guide | 33.23 KB |