| ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 1 User Guide | User Guide | 339.42 KB |
| ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 2 User Guide | User Guide | 442.88 KB |
| ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 3 User Guide | User Guide | 743.47 KB |
| ICESat-2 Major Activities (includes yaw flips), last updated 27 Oct 2025 | General Resources | 1.08 MB |
| ICESat-2 Precise Orbit Determination, Orbit Design, and Geolocation Parameter Calibration (ATBD for POD) | ATBDs | |
| ICESat-2 Precision Pointing Determination (ATBD for PPD) | ATBDs | |
| ICESat-2 Receive Photon Geolocation (ATBD for ATL03g) | ATBDs | |
| ICESat/GLAS Surface-Type Mask | General Resources | 44.65 KB |
| IDCSI4 Data Product Manual Version 2 | Product Specification Documents | 7.71 MB |
| IDCSI4 Mission, Campaign, and Flight-Specific Notes | General Resources | 89.19 KB |
| IGY 1957-1958: Drifting Station Alpha Transcript | General Resources | 26.53 KB |
| Images of Antarctic Ice Shelves, Version 2 User Guide | User Guide | 843.05 KB |
| Improving GLAS data using GRACE | General Resources | 93.17 KB |
| Improving Mountain Snow and Land Cover Mapping Using Very-High-Resolution (VHR) Optical Satellite Images and Random Forest Machine Learning Models | General Resources | |
| IMS Daily Northern Hemisphere Snow and Ice Analysis at 1 km, 4 km, and 24 km Resolutions, Version 1 User Guide | User Guide | 375.58 KB |
| In Situ Snow Depth and Ice Thickness Measurements Near ICEX2011 Ice Camp | General Resources | 10.97 KB |
| Inadequacies in Archive Sea Ice Data | General Resources | 1.68 MB |
| Integrated SMAP and SMOS Soil Moisture Data ATBD, version 1 | ATBDs | 2.92 MB |
| Integrated SMAP and SMOS Soil Moisture Data Products, Version 1 User Guide | User Guide | 686.43 KB |
| Interactive Multisensor Snow and Ice Mapping System Version 3 (IMS V3) - Algorithm Theoretical Basis Document Version 2.5 | ATBDs | 855.48 KB |