Articles | Volume 24, issue 3
https://doi.org/10.5194/acp-24-1743-2024
https://doi.org/10.5194/acp-24-1743-2024
Research article
 | 
07 Feb 2024
Research article |  | 07 Feb 2024

Sensitivities of atmospheric composition and climate to altitude and latitude of hypersonic aircraft emissions

Johannes Pletzer and Volker Grewe

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Latest update: 23 Apr 2024
Short summary
Very fast aircraft can travel at 30–40 km altitude and are designed to use liquid hydrogen as fuel instead of kerosene. Depending on their flight altitude, the impact of these aircraft on the atmosphere and climate can change very much. Our results show that a variation inflight latitude can have a considerably higher change in impact compared to a variation in flight altitude. Atmospheric air transport and polar stratospheric clouds play an important role in hypersonic aircraft emissions.
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