AVNIR 1/2

Advanced Visible and Near-Infrared Radiometer - 2

Satellites

ALOS and ADEOS-1 (AVNIR)

Status

Operational on ALOS – Utilised in the period 2006 to ~ 2010 (AVNIR: 2002-2003)

Mission

Vegetation observation

Instrument type

4-channel VIS/NIR radiometer (AVNIR: 5 channels )

Scanning technique

Bushbroom, 7000 pixel/line, swath 70 km s.s.p., possible to be pointed cross-track within a swath of 1400 km

Coverage/cycle

Global coverage in 46 days, in daylight. With strategic pointing, one place can be observed every 2 days.

Resolution (s.s.p.)

10 m IFOV

Resources

Mass: … kg - Power: … W - Data rate: 160 Mbps

Central wavelength

Spectral interval

Radiometric accuracy (SNR)

0.46 µm

0.42 - 0.50 µm

200 @ 25 % albedo

0.56 µm

0.52 – 0.60 µm

200 @ 29 % albedo

0.65 µm

0.61 – 0.69 µm

200 @ 41 % albedo

0.825 µm

0.76 – 0.89 µm

200 @ 59 % albedo

0.60 µm (AVNIR)

0.52 – 0.69 µm

100 @ 100 % albedo or 5 @ 3.3 % albedo