| Band | Wavelength |
|---|---|
| 1 | 402-422 nm |
| 2 | 433-453 nm |
| 3 | 480-500 nm |
| 4 | 500-520 nm |
| 5 | 545-565 nm |
| 6 | 660-680 nm |
| 7 | 745-785 nm |
| 8 | 845-885nm |
SeaWiFS operates from visible Blue (~400 nm) to Near Infrared (~900
nm). This is the range which chlorophyl absorbs light, and so SeaWiFS main
parameters estimate biological qualities, such as chlorophyl content, and
back scattered energy associated with sediment concentration in natural
waters.
| Band | Wavelength |
|---|---|
| 1 | 580-680 |
| 2 | 720-1100 nm |
| 3 | 3530-3930 nm |
| 4 | 10.3-11.3 microns |
| 5 | 11.5-12.5 microns |
AVHRR operates over a much larger spectrum, and while bands 1 and 2
allow estimation of remote sensing reflectance, AVHRR bands 3
(Mid-Infrared), 4 and 5 (Thermal Infrared) are utilized to detect thermal
phenomena such as atmospheric, sea, and black body radiation. Channel 1
is used in coastal waters to estimate sediment concentration, whereas Channel 2 is
used for atmospheric Raleygh Reflectance concentration. Channels 3-5 are used to
estimate sea or lake surface temperature (LST or SST) as well as for cloud
detection.
