| 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 | 1011 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 | 147.6 KB |
| CLASIC07 In Situ Vegetation Data, Version 1 User Guide | User Guide | 131.17 KB |
| CLASIC07 Land Cover Classification Map, Version 1 User Guide | User Guide | 145.39 KB |
| CLASIC07 PALS Brightness Temperature Data, Version 1 User Guide | User Guide | 622.15 KB |
| CLASIC07 Science and Implementation Plan | Validation Campaign Documents | 114.75 KB |
| CLASIC07 Soil Texture Data User Guide | User Guide | 126.33 KB |
| CLASIC07 Vegetation Water Content Map, Version 1 User Guide | User Guide | 245.95 KB |
| Climate Algorithm Theoretical Basis Document (C-ATBD) Northern Hemisphere Snow Cover Extent | ATBDs | 1.04 MB |
| Climate Algorithm Theoretical Basis Document (C-ATBD) Sea Ice Concentration | ATBDs | 1.02 MB |
| Climate Algorithm Theoretical Basis Document (C-ATBD) Sea Ice Concentration CDR | ATBDs | 1.32 MB |
| Climate Algorithm Theoretical Basis Document (C-ATBD) Sea Ice Concentration V6 | ATBDs | 2.85 MB |