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

Chapter-
Comment
SPM-
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SPM-
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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
period of higher temperature rise, albeit temporary, would have
significant impacts for e.g. ecosystems. Finally It would be also
helpful to give an indicative % emissions reduction per year as well
as the change in global emission in 2050, as this is a more widely
used variable
(Government of UK)
A 6 1 6 0 Table SPM 1 This table contain important information, but the
results in the last column is hard to understand and the intervals is
very big partly because the studies differ and because there are
differences in peaking year. Is it possible to use some kind of
average value or to divide the studies in studies using 2000-20025
as peaking year and studies using 2025-2050 as peaking year? An
other option is to explain the results better in the text or in the Table
text.
(Government of Norwegian Pollution Control Authority)
A 6 1 6 30 Table SPM 1: The authors should include a column for the likely
temperature for each stabilisation level in 2100. The authors also
need to provide further explanation of the drivers of the emission
pathway uncertainties.
(Government of Australia)
B 6 1 6 0 Table SPM.1 characterizes the categories of mitigation scenarios
differently than Tables TS.4 and TS.5, though all are talking about
the set of 117 scenarios. The three tables should be made
consistent. Also refer to Chptr 3 for consideration. U.S.
Government
(Government of U.S. Department of State)
B 6 1 6 1 Table SPM 1. Use bold text font for title phrase lead in to Table
SPM 1. Label first cell something like “Class (Level of
Stabilization)”
Footnote 4. This is very technical for a lay reader. Would it
help/is it possible to explain what this means in more lay terms ?
U.S. Government.
(Government of U.S. Department of State)
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
DISCUSS; more selective use
of studies possible?
Ch 3 will look into this
REJ; too much for a table like
this
ACC; tables to be fully
consistent, but merging TS4/5 is
acceptable for SPM
TIA
Action
for
chapter
Considerations
by the writing
team
3 Noted. See
comment SPM-
421.
(3)
Page 111 of 348