Enquiries

Dr Gary Lloyd

gary.lloyd@manchester.ac.uk

Prof Martin Gallagher

martin.gallagher@manchester.ac.uk

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In-Service Aircraft for a Global Observing System (IAGOS)

In-Service Aircraft for a Global Observing System (IAGOS) is a European Research Infrastructure for global in-situ observations of atmospheric composition using commercial aircraft.

The infrastructure was founded in 2004, building on the previous expertise of MOZAIC (Measurement of Ozone and Water Vapour on Airbus in-service Aircraft) and CARIBIC (Civil Aircraft for the Regular Investigation of the Atmosphere Based on an Instrument Container).

IAGOS utilises commercial airlines and their aircraft to make routine in-situ measurements of Essential Climate Variables (ECVs) on a global scale.

To date, there have been over 62000 flights made, with active airline partners include Lufthansa, Air France, China Airlines, Hawaiian Airlines and Cathay Pacific. The relationship between the airlines and member institutions helps IAGOS provide important measurements in unique detail of the Upper Troposphere Lower Stratosphere (UTLS).

The approach complements existing ground-based and space-borne remote sensing techniques.

For measurements, IAGOS is split into two key components

  • IAGOS-CORE
  • IAGOS-CARIBIC

The Core operation cooperates with several airlines to make quasi-continuous measurements of trace gases, aerosol and cloud particles.

The Instrumentation as part of IAGOS-Core are:

Package 1 – Ozone, Carbon MonoxideI, ICH – Water Vapour, BCP – Number Density of Cloud Particles
Package 2a – Total odd Nitrogen (NOy)
Package 2b – Nitrogen Oxides (NOx)
Package 2c – Aerosol Number Density and Size Distribution
Package 2d – Carbon Dioxide, Methane, Carbon Monoxide, Water Vapour

IAGOS-CARIBIC is deployed 10-12 times annually completing 4 consecutive long-haul flights as part of each deployment.

The CARIBIC flying laboratory carried state-of-the-art instruments for measurement of ozone, water vapour, cloud water/ice, carbon monoxide, carbon dioxide, methane, water isotopologues, nitrogen oxides, mercury, aerosol, soot, volatile organic compounds, and optical measurements of sulphur dioxide and formaldehyde.