1. Jo Schmetz1 on behalf of Tim Hewison1 EUMETSAT
22 September 2018
GSICS Principles
Jo Schmetz1 on behalf of Tim Hewison1
EUMETSAT

2. GEO-LEO Solar Product Status 2011-10
Should we spell out the basic GSICS principles?
e.g. As bullet points on GCC/WMO GSICS webpages
in response to users’ requests
and in considering 3rd party submissions to the GPPA.
Needs
consideration by Exec Panel
contribution/agreement from all GSICS members
Some ideas for examples follow
Need further discussion & agreement

3. GSICS General Principles
e.g.
Traceability
Reproducibility of results
Openness
Applicable to operational weather and environmental satellites of the Global Observing System (GOS) ??

4. GSICS Science Principles
Traceability
through an unbroken chain of comparisons
to a common reference
with specified uncertainty
Consistency
Applicable to all instruments in a given class
Systematic
Continuous ongoing inter-calibration over each instrument's operational lifetime
Global
applicable over the full range of observations??
Based on level 1 data
as supplied by satellite operator
To provide inter-calibration correction function
to allow users to correct original level 1 data
to generate Fundamental Climate Data Records (FCDRs)
To provide bias monitoring
to allow users to visualise any trends in the instruments' calibration ?

5. GSICS Data Principles e.g. Traceability Accessibility
Inclusion of meta data giving complete description
Accessibility
Following community standards
Data access (servers)
Data formats
Variable naming

6. 22 September 2018
Thank You
Any Questions?