| 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 |
| Intercalibration of AMSR2 NASA Team 2 Algorithm Sea Ice Concentrations With AMSR-E Slow Rotation Data | General Resources | 1.43 MB |
| International Geophysical Year, 1957-1958: Drifting Station Alpha Documentary Film, Version 1 User Guide | User Guide | 222.6 KB |
| International Ice Patrol (IIP) Iceberg Sightings Database, Version 1 User Guide | User Guide | 302.49 KB |
| International Ice Patrol Annual Count of Icebergs South of 48 Degrees North, 1900 to Present, Version 1 User Guide | User Guide | 585.13 KB |
| International Ice Patrol Iceberg Drift Tracks, Version 1 User Guide | User Guide | 168.44 KB |
| International Polar Year Historical Data and Literature, Version 1 User Guide | User Guide | 443.68 KB |
| Interpretation Resources for Sea Ice Trends and Anomalies | General Resources | 421.39 KB |
| Introduction to a new sea-ice database | General Resources | 3.18 MB |
| Inventory of Rock Glaciers along the Ghunsa Valley, Kanchanjunga Himal, Eastern Nepal, Version 1 User Guide | User Guide | 56.58 KB |
| IOCAM0 Version 1 Technical Documentation | General Resources | 168.69 KB |
| IODMS0 Ancillary Document | General Resources | 6.72 KB |
| IPAB Antarctic Drifting Buoy Data, Version 1 User Guide | User Guide | 143.81 KB |
| IRARES2: IceBridge ARES L2 Bed Elevation and Ice Thickness, Version 1 | General Resources | 119.85 KB |
| IRUAFHF2: IceBridge UAF L2 HF Bed Elevation and Ice Thickness, Version 1 | General Resources | 119.71 KB |