The influences of ozone precursor changes in tropical regions on tropospheric ozone burden | CU Experts

Tropospheric ozone is an important greenhouse gas, is detrimental to human health and crop and ecosystem productivity, and controls the oxidizing capacity of the troposphere. Previous studies, using models, aircraft and remote observation datasets, have shown that the tropospheric ozone has increased significantly in the tropical regions. Sensitivities studies have also showed that the ozone precursor emissions in these tropical regions have been increasing for the past three decades. For this paper, we will work with worldwide scientists to investigate how the emission evolves in the tropical regions from 1995 to 2019, and how these changes have contributed to the global and other receptor regions tropospheric ozone burden increases, by using ensemble state-of-the-art global and regional chemical transport models.

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