[Esip-preserve] A Note on Data Citations to Support Verification or Replication Scenarios

[Bruce Barkstrom]

I'm not sure we've distinguished clearly enough between citations
intended for providing credit for authors from those that have sufficient
precision to support work on verification or results replication.  As
usual, there's the problem of scale.

The figure I've attached is taken from work by Frolich and Lean
[WRCPMOD (2006) Solar Constant. Available at
http://www.pmodwrc.ch/pmod.php?topic=tsi/composite/SolarConstant.
Accessed 11 Mar, 2009]
in which the authors were attempting to build a data set to answer the
question "has the solar constant changed" using data from eight
different sources of space-based instruments spread over about
thirty years.  The figure shows the original measurements and
then three different reconstructions that each use a slightly
different model of correction for each of the instruments.  The
color in each of the three reconstructions indicates which of
the instruments they used in a particular reconstruction.  As
you can see, the details matter - so that you'd have to cite
which instrument was trusted on which particular day of the
reconstruction.  Given that there are about 1,000 days in a
three-year period, there would need to be a reference to the
appropriate original data for each of the 10,000 or so days
in the original record.

I'm still inclined to think that this kind of data citation would be
best served by a "service" - since it is highly specialized and
probably would not be frequently used.

At any rate, hope this provides at least some food for
visual examination.

Bruce b.
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