| Boreholes and temperature logs from the Tibetan Plateau and Northeast China | User Guide | 41.64 KB |
| CALFIN Subseasonal Greenland Glacial Terminus Positions, Version 1 User Guide | User Guide | 401.13 KB |
| Calibrated Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR (CETB) ATBD | ATBDs | 22.59 MB |
| Calibrated Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR (CETB) ATBD, Version 2.0 | ATBDs | 31.05 MB |
| Calving Front Machine (CALFIN): glacial termini dataset and automated deep learning extraction method for Greenland, 1972–2019 | General Resources | 11.53 MB |
| Campaign Overview by Instrument | General Resources | 212.47 KB |
| Canadian Geothermal Data Collection: Deep permafrost temperatures and thickness of permafrost, Version 1 User Guide | User Guide | 51.71 KB |
| Canadian Ice Service Arctic Regional Sea Ice Charts in SIGRID-3 Format, Version 1 User Guide | User Guide | 862.98 KB |
| Canadian Meteorological Centre (CMC) Daily Snow Depth Analysis Data, Version 1 User Guide | User Guide | 360 KB |
| CanSISE Observation-Based Ensemble of Northern Hemisphere Terrestrial Snow Water Equivalent, Version 1 User Guide | User Guide | 95.31 KB |
| CanSISE Observation-Based Ensemble of Northern Hemisphere Terrestrial Snow Water Equivalent, Version 2 User Guide | User Guide | 385.6 KB |
| Catalog of boreholes from Russia and Mongolia, Version 1 User Guide | User Guide | 32.73 KB |
| Central Asia Temperature and Precipitation Data, 1879-2003, Version 1 User Guide | User Guide | 1017.47 KB |
| Central Asian Snow Cover from Hydrometeorological Surveys, Version 1 User Guide | User Guide | 82.13 KB |
| Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2 User Guide | User Guide | 149.46 KB |
| Circumpolar Active Layer Monitoring (CALM) Program Network | User Guide | 27.72 KB |
| Circumpolar Active-Layer Permafrost System (CAPS), Version 1 User Guide | User Guide | |
| CLASIC07 In Situ Soil Moisture Data User Guide | User Guide | 121.76 KB |
| CLASIC07 In Situ Vegetation Data, Version 1 User Guide | User Guide | 101.05 KB |
| CLASIC07 Land Cover Classification Map, Version 1 User Guide | User Guide | 161.05 KB |