POLarization and Directionality of the Earth's Reflectances
Mass 32 kg
Volume 0.8 x 0.5 x 0.25 m³
Power 50 W
Swath 2400 km
Resolution 6 x 7 km²
15 filters & polarizers in the visible and the near infrared
Lifetime 3 years
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The wealth of spectral, directional and polarized POLDER measurements opens up new opportunities for determining cloud phase and altitude, and for discriminating aerosols and biosphere parameters.
POLDER has 9 spectral bands, 3 of which (443, 670 and 865 nm) are associated with polarized filters (P1, P2 and P3). 3 bands are dedicated to the observation of ocean color (443, 490, 565 nm). Apart from the 763 and 910 nm bands, chosen to estimate absorption by oxygen and water vapor, POLDER's non-polarized channels were designed to allow direct comparison with OCTS observations.