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Questions for break-out groups?

How to determine diagonal and off-diagonal elements of S y for the different instruments? (Radar, MWR, Lidar) How can we better describe the uncertainties of the the forward model parameters included in S b ? Need to take a detailed look at forward models for the different instruments.

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Questions for break-out groups?

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  1. How to determine diagonal and off-diagonal elements of Sy for the different instruments? (Radar, MWR, Lidar) • How can we better describe the uncertainties of the the forward model parameters included in Sb? Need to take a detailed look at forward models for the different instruments. • What kind of measurements are needed to improve or better characterize forward model uncertainties? • Sεdoes NOT include systematic errors!How do we check for systematic errors in the different instruments? Consistent bias correction procedures? Questions for break-out groups?

  2. Possible topics for discussion • Identify forward model uncertainties • We probably use different forward models. Should we have a common framework to quantify uncertainty? • Do we need to come up with additional measurements/data to fully characterize the forward model uncertainties? • Diagonal or non-diagonal? • Do we setup a common place where we upload our forward models and covariances? • Move to common forward models with scattering - • Once we have characterized the forward model uncertainty how do we introduce them in the retrievals (in the Bayesian and OE framework there are prescribed ways of doing it, but in other algorithms, such as neural network or statistical retrievals, we may need to be creative).

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