Speaker
Dr
Thomas von Clarmann
(KIT/IMK)
Description
Towards Unified Error Reporting (TUNER) has been selected as an emerging SPARC activity. Its goal is to make error estimates of existing satellite observations of atmospheric temperature and constituent profiles intercomparable. Error estimates of measurements of atmospheric state variables are essential to judge whether differences between estimates of the atmospheric state can be explained or if they hint at unknown problems.
While many recipes exist to calculate the error budget of
an observation, the data user is faced with the problem
that errors reported by various instrument groups are rarely consistent.
In this talk, the following problems will be tackled: (a) which
error components should be included in the error budget; (b) how
should the content of prior information in the retrievals be
dealt with; (c) how can retrievals be characterized which were not
produced via an optimal-estimation-like formalism and thus do
not provide the usual diagnostics; (d) how can error estimates which
were generated using different approaches be made comparable, and (e) what
is to be considered when comparing with direct (non-remote)
measurements. An action plan towards unified error reporting will be
suggested.
Primary author
Dr
Thomas von Clarmann
(KIT/IMK)
