POAM

Polar Ozone and Aerosol Measurement

Satellites

SPOT-3 (POAM-2), SPOT-4 (POAM-3)

Status

Operational (on SPOT-4) – Utilised in the period: 1993 to ~ 2012

Mission

Atmospheric chemistry in high troposphere and stratosphere. Species: H2O, NO2, O2, O3 and aerosol

Instrument type

9-channel photometer operating in the range 350-1024 nm (POAM-3) or 350-1064 nm (POAM-2)

Scanning technique

Limb scanning in solar occultation; vertical range 10-60 km

Coverage/cycle

N/A (few tens of events/day limited to latitudes above ~ 60°)

Resolution

300 km (horizontal), 0.6 km (vertical)

Resources

Mass: 24.9 kg - Power: … W - Data rate: … kbps