bring IPCC example up to date

[gaelforget]

No description provided.

[codecov-commenter]

Codecov Report

Merging #75 (5f57ecd) into master (b62d609) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #75   +/-   ##
=======================================
  Coverage   84.55%   84.55%           
=======================================
  Files           4        4           
  Lines         369      369           
=======================================
  Hits          312      312           
  Misses         57       57           

Impacted Files	Coverage Δ
src/access.jl	93.38% <100.00%> (ø)

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