Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products.
Suomi NPP data announcement
OTTER Data Access and Tools
Data at OTTER
| Dataset | Processing Level | Data State | Temporal Extent | Platform | Instrument | Data Format | Science Keywords |
|---|---|---|---|---|---|---|---|
| SE-590 Field-Meas. Reflectances (OTTER) | 3 | COMPLETE | 1990-06-19 to 1990-06-21 | FIELD INVESTIGATION, Airplane | SPECTRORADIOMETERS | ASCII | Reflectance |
| Leaf Reflectances: Perkin-Elmer (OTTER) | 3 | COMPLETE | 1991-06-14 to 1991-06-18 | LABORATORY | SPECTROPHOTOMETERS | ASCII | Reflectance |
| SE-590 Landscape Reflectances (OTTER) | 3 | COMPLETE | 1990-10-06 to 1990-10-11 | FIELD INVESTIGATION, Airplane | SPECTRORADIOMETERS | multiple | Reflectance |
| Timber Measurements (OTTER) | 3 | COMPLETE | 1990-08-01 to 1990-08-01 | FIELD INVESTIGATION | CLINOMETERS, STEEL MEASURING TAPE, VISUAL OBSERVATIONS | multiple | Crown, Forest Composition/Vegetation Structure |
| SE-590 Low Altitude Reflectances (OTTER) | 3 | COMPLETE | 1990-08-13 to 1991-07-03 | FIELD INVESTIGATION, Airplane | SPECTRORADIOMETERS | multiple | Reflectance |
| SE-590 Lab-Measured Reflectances (OTTER) | 3 | COMPLETE | 1990-08-17 to 1990-12-04 | LABORATORY | SPECTRORADIOMETERS | multiple | Reflectance |
| Reflectance Reference Targets (OTTER) | 3 | COMPLETE | 1991-05-15 to 1991-08-24 | FIELD INVESTIGATION, Airplane | SPECTRORADIOMETERS | Text File | Reflectance |
| Optical Thickness Data: Ground (OTTER) | 3 | COMPLETE | 1990-02-22 to 1991-06-10 | FIELD INVESTIGATION | SUN PHOTOMETERS | multiple | Optical Depth/Thickness |
| Optical Thickness Data: Aircraft (OTTER) | 3 | COMPLETE | 1990-08-13 to 1990-08-15 | C-130 | SUN PHOTOMETERS | ASCII | Optical Depth/Thickness |
| Meteorology (OTTER) | 3 | COMPLETE | 1989-05-27 to 1991-01-07 | METEOROLOGICAL STATIONS | BAROMETERS, RAIN GAUGES, THERMOMETERS, PYRANOMETERS | ASCII | Soil Temperature, Solar Radiation, Air Temperature, Water Vapor, Precipitation Amount, Soil Temperature |
| Leaf Reflectances: LICOR (OTTER) | 3 | COMPLETE | 1990-06-19 to 1990-06-21 | LABORATORY | SPECTRORADIOMETERS | ASCII | Reflectance |
| Leaf Area Index Data (OTTER) | 3 | COMPLETE | 1991-05-13 to 1991-05-15 | FIELD INVESTIGATION | CAMERAS | ASCII | Leaf Area Index (LAI) |
| Forest-BGC Model (OTTER) | 4 | COMPLETE | 1990-01-01 to 1990-12-31 | NOT APPLICABLE | NOT APPLICABLE | multiple | Evaporation, Evapotranspiration, Decomposition, Photosynthesis, Respiration Rate, Soil Moisture/Water Content |
| Canopy Chemistry (OTTER) | 3 | COMPLETE | 1989-08-23 to 1991-06-04 | LABORATORY | SUNFLECK CEPTOMETER, VISUAL OBSERVATIONS, COLORIMETERS, LICOR LEAF AREA METER, SPECTROPHOTOMETERS, AUTOANALYZER | ASCII | Biomass Dynamics, Primary Production, Biomass, Canopy Characteristics, Leaf Characteristics, Photosynthetically Active Radiation |
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