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Updated: Aug 10, 2026
09:46
Production and Measurement of Organic Particulate Matter in the Harvard Environmental Chamber
Published on: November 18, 2018
Estimates of stratospheric pollution by an analytic model
Summary
Aircraft exhaust
Area of Science:
- Atmospheric chemistry and physics
- Stratospheric science
Background:
- Aircraft emissions introduce nitrogen oxides (NOx) into the stratosphere.
- Ozone depletion is a significant environmental concern.
Purpose of the Study:
- To provide an analytic solution for the vertical transport of inert tracers in the stratosphere.
- To estimate ozone destruction resulting from aircraft-emitted NOx.
Main Methods:
- Utilizing an analytic solution for vertical tracer flow with a defined eddy diffusion coefficient.
- Modeling odd nitrogen (NOx) as an inert tracer from aircraft exhausts.
- Applying a formula from previous research to estimate ozone destruction.
Main Results:
- An analytic solution for inert tracer vertical transport was derived.
- The stratospheric amount of NOx from a given source strength can be calculated.
- Ozone destruction estimates can be made based on NOx levels.
Conclusions:
- The study presents a method to calculate stratospheric NOx from aircraft.
- This method allows for the estimation of ozone depletion caused by these emissions.
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