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Climate Change

Omega addressed main question relating to climate and aviation. Non-CO2 impacts were the main focus with studies looking at contrail formation and modelling the resultant impacts. Omega linked aero-technology modelling and climate effects modelling to understand the relationship of emissions and feeding knowledge into work for operational and market solutions.


Global temperature change implications of aviation growth

(link to the project)

This study generated information on global temperature implications of the range of aviation scenarios in terms of projected surface temperature change and on the contribution of aviation to such change drawing upon broader Inter-Governmental Panel on Climate Change data.

Click here for the Project Summary and the Final Report


Jet engine exhaust and climate change influencing engine design and operations

The project aimed to understand how to balance the effects of CO2, NOx and contrails with the aim of improving aircraft and engine design and operation. The goal was to reduce the impacts of climate changeover an aircraft’s working life. Study provided a practical guidance on aviation and information on climate change for engine manufacturers, aircraft makers and airlines.

Click for the Executive Summary and the Final Report


Modelling aviation’s impact on climate

The study incorporated effects of aviation contrails and induced cirrus cloud effects into the Hadley Centre climate models (part of UK Met Office). This enabled scientists to examine the aviation climate implications in depth and develop understanding of contrail formation and associated climate change effects of contrails.

 Click here for the Project Summary and the Final Report


Emissions and impacts of supersonic business jets on the atmosphere

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The project investigated the effects of extra emissions of NOx, water vapour and CO2 on the mid-stratosphere to gain a better understanding of the impacts of different cruise hights on emissions for the design of second-generation supersonic aircrafts.

 Click here for the Project Summary and the Report



The study examined how scientists captured variable and complex information through different metrics to gain confidence in taking long-term and potentially costly decisions.

Click here for the Project Summary and the Report