Information for Sensor and Index
Formula
General Formula | |
---|---|
Specific Formula | |
Calculated | Automatic |
Comment |
Sensor
Name | ASTER |
---|---|
Full Name | Advanced Spaceborne Thermal Emission and Reflection Radiometer |
Bands | 15 |
Spectrum [nm] | 520-11650 |
Spat.Res. [m] | 15-90 |
Inclination | 98.3 |
Platform | |
Operator | NASA |
Date of Launch | 1999-12-18 |
Comment | |
Usable for Indices | yes |
Description |
Index
Name | Global Environment Monitoring Index |
---|---|
Abbreviation | GEMI |
Formula | |
Variables | n = ( 2 * ( NIR ^2 - RED ^2) + 1.5 * NIR + 0.5 * RED ) / ( NIR + RED + 0.5 ) |
Expl. of Variables | |
Wavelengths | 640:760,780:1400 |
Source | Original formula |
Description | Bannari 1996 |
References
Nr. | Author/Title | Year | Comment |
---|---|---|---|
1 | Heiskanen, J. - Estimating aboveground tree biomass and leaf area index in a mountain birch forest using ASTER satellite data | 2006 |
Visualisation
Sensor
Index