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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Quantitative use of this indicator ratio is subject to three major uncertainties: (1) the split between NO x -limited and NO x -saturated conditions may shift in space and time, (2) the ratio of the vertically integrated column may not represent the near-surface environment, and (3) satellite products contain errors.

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DISCOVER-AQ project to begin flights to enhance measurement of ground-level air-quality from space

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Ground sites maintained by the Maryland Department of the Environment form the backbone of the surface network. Scientists will use information collected during the DISCOVER-AQ campaign to improve measurements from existing satellites and to help establish parameters for future NASA satellite missions that will monitor air quality.

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