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Methodology to create a new total solar irradiance record: Making a composite out of multiple data records

Schöll, Micha; Dudok de Wit, Thierry; Fröhlich, Claus +1 more

Many observational records critically rely on our ability to merge different (and not necessarily overlapping) observations into a single composite. We provide a novel and fully traceable approach for doing so, which relies on a multiscale maximum likelihood estimator. This approach overcomes the problem of data gaps in a natural way and uses data…