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IC-WG1.2: Modelling environmental loading effects for Reference Frame realizations

Specific program activities

  • Compare and assess differences between existing load models for a given effect.
  • Maintain a bibliography on the available models and their evaluation.
  • Assessment of the propagation of loading model errors into the site coordinates and the ITRF.
  • Define whether models should be applied at the observation level or in the post-processing. In this case, define the best method (if any) to handle loading effects at the observation level (filtering?, interpolation etc...)
  • Tie results/findings to IERS conventions.
  • Collect user opinions about what signals they need in station position time series (loading corrected or not).

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