{"id":9195,"date":"2022-08-04T12:09:38","date_gmt":"2022-08-04T12:09:38","guid":{"rendered":"https:\/\/sites.reading.ac.uk\/connected\/?p=9195"},"modified":"2022-08-04T12:09:40","modified_gmt":"2022-08-04T12:09:40","slug":"up-in-the-sky","status":"publish","type":"post","link":"https:\/\/sites.reading.ac.uk\/connected\/2022\/08\/04\/up-in-the-sky\/","title":{"rendered":"Up In The Sky"},"content":{"rendered":"\n

Etienne Terrenoire, Senior Research Scientist at ONERA<\/a> the French Aerospace Lab, shares his ambitions with CONNECTED to uncover and transmit what global impact the aviation sector has on our climate.<\/span><\/p>\n

Discovering more about the world\u2019s climate was something that Etienne had been passionate about from a young age, and therefore it was no surprise that on attaining his Baccalaureate in France Etienne decided to go on to study meteorology<\/a> at Reading.<\/p>\n

He said:<\/p>\n

\n

\u201cWhat attracted me to Reading was its reputation for world-leading research in climate science, and it was ranked as the best place to study meteorology.\u201d<\/p>\n<\/blockquote>\n

\"\"Etienne had always aspired to become a \u201cstorm chaser\u201d and although he continued to explore atmospheric photography, it turned out that this was not in Etienne\u2019s destiny. Instead, upon graduating from Reading he embarked on a master\u2019s degree in air pollution at the University of Toulouse.<\/p>\n

After a short stint of working in a research laboratory at the University of Toulouse, Etienne decided he wanted to pursue a career in academia. \u201cMy first experience of working in a lab made me feel at home and, from then on, I decided I wanted to dedicate my life to research,\u201d he shared.<\/p>\n

His next move was to the University of Lille where his doctorate focused on the modelling of air pollution at a regional scale. And since 2018, Etienne has worked as a Senior Research Scientist at ONERA \u2013 the French Aerospace Lab \u2013 where he is currently involved in a project that is being led by one of Reading\u2019s climate scientists within the Department of Meteorology<\/a>.<\/p>\n

Aviation and climate change<\/strong><\/h4>\n

In his latest role, Etienne explained that his research is focussed on understanding the microphysics and chemistry involved in the formation of a condensation trail \u2013 also referred to as a contrail.<\/p>\n

\n

\u201cContrails are those line-shaped clouds you see in the sky which are made up of soot particles from the emissions of aircraft engines, and water vapour that condenses to form ice particles.<\/p>\n<\/blockquote>\n

“They can last for seconds and keep their linear shape or spread horizontally and vertically if the conditions are cold and humid enough,\u201d he explained. \u201cAnd the shape, number, and size of the ice particles they are made of are the factors that determine what climate impact they will have.\u201d<\/p>\n

Although reports warn that contrails may account for more than half of the entire climate impact of aviation<\/a>, Etienne revealed that the full extent of their impact remains uncertain.<\/p>\n

\u201cSometimes confusing reports and figures can be found in the media,\u201d he said.<\/p>\n

\n

\u201cAnd it\u2019s my ambition to uncover as much research as possible in this area and transmit these findings as widely as I can. Through my research, I want to ensure that the aviation sector is represented as accurately as possible.\u201d<\/p>\n<\/blockquote>\n

Reducing emissions <\/strong><\/h4>\n

With the aviation sector aiming to reach a target of net zero emissions by 2050, Etienne shared what changes were being made to improve the sector\u2019s carbon footprint.<\/p>\n

\n

\u201cThe industry is looking to reach this target through different areas of innovation. For example: using lighter materials to build planes; improving engine technology through electrification and the use of biofuel; and in the longer-term, using alternative fuels such as hydrogen.<\/p>\n<\/blockquote>\n

\u201cOver time these areas will contribute towards reducing emissions within the aviation sector,\u201d he added.<\/p>\n

To fly or not to fly?<\/strong><\/h4>\n

Given the global popularity of flying as a means of travel, CONNECTED asked Etienne what his personal views were on flying. \u201cI think we should all be more conscious about our actions,\u201d he said.<\/p>\n

\n

\u201cI don\u2019t think anyone should promise not to fly again, but we can make better choices about when and how often we choose to fly.\u201d<\/p>\n<\/blockquote>\n

Find out more about studying meteorology<\/a> at Reading, or discover more about ONERA.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Etienne Terrenoire, Senior Research Scientist at ONERA the French Aerospace Lab, shares his ambitions with CONNECTED to uncover and transmit what global impact the aviation sector has on our climate. 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