The impact of the spacecraft system SÄNGER on the composition of the middle 
atmosphere

Brühl, C.; Crutzen, P.J.; Graßl, H.; Hey, D.

doi:10.2514/6.1992-5071

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The impact of the spacecraft system SÄNGER on the composition of the middle atmosphere

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Brühl, C., Crutzen, P., Graßl, H., & Hey, D. (1992). The impact of the spacecraft system SÄNGER on the composition of the middle atmosphere. In AlAA 4th International Aerospace Planes Conference.

Cite as: https://hdl.handle.net/21.11116/0000-000A-25DF-2

Abstract

A two-dimensional chemical model and physical considerations are used to estimate the impact of the spacecraft system SÄNGER on stratospheric and mesospheric ozone in relation to other spacecraft and other anthropogenic perturbations. Perturbations of middle atmospheric NOy H2O and H2 concentrations, and their impact on the radiative balance of the atmosphere, including contrail formation, are discussed. It is found, that in case of about 24 launches per year the perturbations due to SÄGER are about negligible on a global scale. However, if a SÄGER version would be used for a hypersonic fleet of commercial aircraft a serious ozone depletion is predicted. © 1992 by Wax Planck Society.