| 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 |
| 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 |