| Nimbus Temperature-Humidity Infrared Radiometer Global Montage Grayscale L1, TIFF, Version 1 User Guide | User Guide | 223.87 KB |
| Nimbus-5 ESMR Polar Gridded Brightness Temperatures, Version 2 User Guide | User Guide | 461.7 KB |
| Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations, Version 1 User Guide | User Guide | 430.25 KB |
| Nimbus-7 SMMR Antenna Temperatures, Version 1 User Guide | User Guide | 259.72 KB |
| Nimbus-7 SMMR Derived Monthly Global Snow Cover and Snow Depth | User Guide | 195.3 KB |
| Nimbus-7 SMMR Pathfinder Brightness Temperatures | User Guide | 334.41 KB |
| Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures, Version 1 User Guide | User Guide | 368.93 KB |
| Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1 User Guide | User Guide | 181.04 KB |
| NIVAL Mores Creek Summit Snow Depth, Canopy Height, and DTM from Airborne LiDAR, Version 1 User Guide | User Guide | 186.92 KB |
| NOAA Ice Observation Handbook 1991 | General Resources | 33.9 MB |
| NOAA Polar-Orbiting Operational Satellite (POES) Global Visible and Infrared Band Data from ESSA (1966 - 1972) and NOAA (1972 - 1978) Satellites, Version 1 User Guide | User Guide | 3.36 MB |
| NOAA@NSIDC's IPY/SEARCH Activities | General Resources | 234.91 KB |
| NOAA/NMC/CAC Arctic and Antarctic Monthly Sea Ice Extent, 1973-1990, Version 1 User Guide | User Guide | 120.31 KB |
| NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration | User Guide | |
| NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 3 User Guide | User Guide | |
| NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 4 User Guide | User Guide | 658.27 KB |
| NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 5 User Guide | User Guide | 614.69 KB |
| NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 6 | User Guide | 599.59 KB |
| Northern Circumpolar Soils Map, Version 1 User Guide | User Guide | 64.37 KB |
| Northern Hemisphere Cyclone Locations and Characteristics from NCEP/NCAR Reanalysis Data, Version 1 User Guide | User Guide | 272.1 KB |