Concept
Advanced Spaceborne Thermal Emission and Reflection Radiometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1071/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | ASTER | ||
| Definition | An optical imager detecting 14 spectral bands ranging from visible to thermal infrared light, designed to produce stereoscopic images and detailed terrain height models for high resolution land and vegetation observation. ASTER uses three sub-systems to detect radiation in the visible near-infrared (VNIR), short-wave infrared (SWIR), and thermal infrared (TIR), each with the ability to change the viewing angle in the cross-track direction. The VNIR radiometer has along-track stereo coverage in its third band (0.76 um - 0.86 um), with nadir and backward views. The swath width is 60 km. Bands of radiation wavelengths and their resolution at sub satellite point are: (0.52 - 0.60) um, (0.63 - 0.69) um, (0.76 - 0.86) um, which constitute the VNIR bands and have a resolution of 15 m; (1.60 - 1.70) um, (2.145 - 2.185) um, (2.185 - 2.225) um, (2.235 - 2.285) um, (2.295 - 2.365) um, (2.360 - 2.430) um, which constitute the SWIR bands and have a resolution of 30 m; (8.125 - 8.475) um, (8.475 - 8.825) um, (8.925 - 9.275) um, (10.25 - 10.95) um, (10.95 - 11.65), which constitute the TIR bands and have a resolution of 90 m. Flown on Terra. http://www.wmo-sat.info/oscar/instruments/view/50 | ||
| Date | 2016-11-15T15:28:05 | ||
| Identifier | SDN:L22::TOOL1071 | ||
| Note | accepted | ||
| Is Version Of | TOOL1071 | ||
| version | 1 | ||
| Broader | L05:309 |
terrestrial radiometers | |
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