ADMS-Airport - Air Pollution Modelling Software

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ADMS-Airport - Air Pollution Modelling Software

ADMS-Airport is a comprehensive tool for managing air quality at airports. It is an extension of the ADMS-Urban model, designed to model the concentration of pollutants at airports in rural or complex urban environments.

Who Uses ADMS-Airport?

ADMS-Airport has been used to model air quality at London’s Heathrow airport for the 2002 base case and future year scenarios as part of the Department for Transport’s (DfT) Project for Sustainable Development of Heathrow (PSDH) – Adding Capacity at Heathrow. This followed the recommendations of the PSDH Model Inter-comparison Study.

ADMS-Airport is also one of the participating models in the ICAO CAEP model exercises (International Civil Aviation Organisation, Committee on Aviation Environmental Protection).

2002 base case, modelled NO2 concentrations in µg/m3 around Heathrow, taken from
“Adding Capacity at Heathrow Airport – Air Quality Studies for Heathrow” (2007)


ADMS-Airport air quality model is a comprehensive tool for managing air quality at airports. It can be used to examine emissions from 6500 sources simultaneously, including:

Aircraft Jet Sources
Up to 500 aircraft jet sources

Road Traffic
Over 145,000 road links (3000 road sources each with up to 50 vertices)

Industrial Sources
Up to 1500 point, line, area or volume sources

Aggregated Sources (grid source)
Up to 3000 grid cells can be used to model emissions from sources that are too small to define explicitly, for example, emissions from domestic housing.

Why Use ADMS-Airport?

ADMS-Airport incorporates all the features of ADMS-Urban plus it is able to incorporate sources specific to an airport. ADMS-Airport is able to take into account the whole range of relevant emission sources: aircraft traffic, auxiliary power units, ground support equipment, road traffic, industrial, commercial, domestic and other less well-defined sources.

ADMS-Airport and EMIT (CERC's Emissions Inventory Toolkit) have been developed with a number of features to simplify the modelling process and help users. For example:

Visualisation : ADMS-Airport has links to ArcGIS and MapInfo Professional GIS (Geographical Information System) packages as well as Surfer contour plotting package. The GIS link can be used to enter and display input data and display output, usually as colour contour plots.

Emissions inventory : Source and emissions data can be imported from a Microsoft Access database created by the user or exported from EMIT. EMIT contains current and future emission factors including those for vehicles, industrial processes and fuel consumption.

Emission factors (in EMIT) : Issue 15 of the ICAO emission factors (released July 2007) can be used to calculate emissions from the thrust setting, time in mode and the number of landing-take-off cycles. FAA emission factors can be used to calculate APU emissions from the operation time. Emission factors derived from EC Non Road Mobile Machinery (EC directive 97/68/EC) limit values can be used to calculate GSE emissions from the operation time. The latest UK DMRB emission factors (released February 2003) can be used to calculate emissions from traffic flows and speeds.

Intelligent gridding : ADMS-Airport includes an intelligent gridding option which places extra output points in and adjacent to aircraft jet sources and road sources to give excellent spatial resolution in areas of particular interest.

User-defined outputs : The user defines the pollutant and averaging time which may be an annual average or a shorter period, and also which percentiles and exceedence values to calculate, and whether a rolling average is required or not. The output options are designed to be flexible to cater for the variety of air quality limits which can vary from country to country and over time.

Support Details

ADMS-Airport is supplied with a User Guide that details user inputs and outputs specific to ADMS-Airport and the modelling of airport emissions inventories in EMIT. It includes a number of step-by-step worked examples. An annual maintenance contract provides support for users; this includes:
  • maintenance model upgrades,
  • use of the ‘Helpdesk’ by email, phone, fax or post,
  • attendance at the annual User Group meetings,
  • access to the password-protected User Area

CERC also offer basic and advanced training. Please call for the latest availability.

If you would like more information on the model, please contact us.

Cambridge Environmental Research Consultants (CERC)
Cambridge Environmental Research Consultants (CERC)
3 King`s Parade
Cambridge , Cambridgeshire; CB2 1SJ


Air quality management at airport consultancy - Aerospace & Air Transport - Airports

We provide consultancy on aviation and air quality, such as dispersion modelling and emissions inventory compilation for environmental impact assessment at airports. We also conduct research into aviation.


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