SODBatch A&B SPM Comments co-chair response final ... - ipcc-wg3

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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
Also the type of model used and its parameter assumptions have a
substantial impact on the results. Results need to be seen in light of
these differences. Especially important to explain outliers which are
not really outliers given the differences in underlying assumptions.
(Government of Germany)
7 A 8 11 8 11 delete "or" before "shorter", and delete "and long-term"
(Yuan Guo, Energy Research Institute, National Development and
Reform Commission)
7 A 8 12 8 12 the statement "could vary considerably" looks quite acceptable but
also somewhat irrelevant because the interesting PM issue is what
causes the variations and what can be done, how the variations can
be controlled? Is it possible to add somewhat more on this?
(Aviel VERBRUGGEN, University of Antwerp)
7
F
5
7
F
5
7
F
5
7
F
5
A 8 12 8 15 Figure SPM 5: Is this reduction relative to BAU? The graph is not
clear and should be simplified or deleted.
(Government of Australia)
A 8 13 0 0 figure SPM5. It would be very helpful to have two X-axes one with
stabilisation level in radiative forcing ( W/m2) and a second one
with equivalent stabilisation levels in multigas concentration: ( ppm
CO2equiv)
(Ronald Hutjes, Alterra)
A 8 13 0 0 Figure SPM.5. On x-axis of the plot, there are "A", "B", "C", "D"
and "E" characters which meaning is not explain anywhere within
the summary, neither in the figure legend nor in the text. They
should be removed or explained. In other reports and chapters the
meaning of the characters is explained in the text. So, there is no
problem in that case.
(Government of Spain)
A 8 13 8 13 It is unclear to what the categories in Figure SPM.5 refer. Please
provide more complete labels or a cross-reference to full
descriptions.
(Government of Environment Canada)
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
DISCUSS the possibility to
explain outliers in caption
REJ; changes the meaning
DISCUSS; would take a lot of
text to go into this and that
space is not available
ACC addition “compared to
baseline”
REJ deletion of figure
ACC; will change to ppmv
See A-599
See A-599
Action
for
chapter
Considerations
by the writing
team
(3)
3,13 Rejected.
Explanation
detailed and
space
unavailable in
SPM.
(3)
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