Atmospheric composition and climate change

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Changing composition and distribution of atmospheric trace gases and aerosols are the driving forces behind changes in climate and the environment at the earth's surface. This proposal is to undertake a program of ground based infrared remote sensing measurements as part of the Network for Detection of Stratospheric Change to investigate some of the most relevant atmospheric processes and species central to the greenhouse effect and ozone depletion. State-of-the-art measurements, advances in analysis techniques, and the measurement of isotopic fractionation will all contribute to advances in capabilities. Validation of satellite-based remote sensing instruments is also an important facet of the work.