Visibility Measurement Instruments

Measurement Definition: The aerosol optical depth or optical thickness (τ) is defined as the integrated extinction coefficient over a vertical column of unit cross section.
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
AMIOperationalContinuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of land/sea surface temperature and cloud coverage.n/a