| SMAP L4 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants, Version 4 User Guide | User Guide | 409.44 KB |
| SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture, Version 4: 3-hourly Analysis Update, 3- hourly Geographical Data, and Land Model Constraints Version 4 User Guide | User Guide | 409.44 KB |
| SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture, Version 5: 3-hourly Analysis Update, 3-hourly Geographical Data, and Land Model Constraints User Guide | User Guide | 605.92 KB |
| SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture, Version 6: 3-hourly Analysis Update, 3-hourly Geographical Data, and Land Model Constraints User Guide | User Guide | 535.11 KB |
| SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture, Version 7: 3-hourly Analysis Update, 3-hourly Geographical Data, and Land Model Constraints User Guide | User Guide | 592.19 KB |
| SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange | User Guide | 2.58 MB |
| SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 4 User Guide | User Guide | 506.41 KB |
| SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 5 User Guide | User Guide | 709.26 KB |
| SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 6 User Guide | User Guide | 723.06 KB |
| SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 7 Quality Assessment Report | Quality Assessment Reports | 7.05 MB |
| SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange, Version 7 User Guide | User Guide | 1.11 MB |
| SMAP L4C Biome Properties Look-Up Table (BPLUT) Version 5 [2020] | General Resources | 14.59 KB |
| SMAP L4C Biome Properties Look-Up Table (BPLUT) Version 6 [2021] | General Resources | 10.82 KB |
| SMAP Post-Recovery Advisory Note 23 July 2019 | General Resources | 315.75 KB |
| SMAP Radar Twice-Daily SAR and SIR-Enhanced Scatterometer EASE-Grid 2.0 Radar Backscatter, Version 1 User Guide | User Guide | 280.24 KB |
| SMAP Radiometer Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures, Version 1 User Guide | User Guide | 125.87 KB |
| SMAP Radiometer Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures, Version 2 User Guide | User Guide | 320.45 KB |
| SMAP Version History Workbook L1-L3 Products | General Resources | 1.08 MB |
| SMAP Version History Workbook L4 Products | General Resources | |
| SMAP-Derived 1-km Downscaled Surface Soil Moisture Product, Version 1 User Guide | User Guide | 790.15 KB |