the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
| 06 Mar 2024
GC Insights: Communicating changes in local climate risk using a physically plausible causal chain
Abstract. Directly linking greenhouse gas emissions or global warming to experiences of local climatic changes or extreme events is a potentially important communication tool. We develop a physically plausible ‘causal chain’ as one approach to demonstrate the connections between global carbon dioxide emissions and real-life events, using a case study of flood risk in one river basin in the UK.
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Status: open (until 09 May 2024)
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RC1: 'Comment on egusphere-2024-289', Anonymous Referee #1, 05 Apr 2024
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The paper presents an approach to communicate variations in local climate risks using a physically causal chain providing the example of a river in the UK. Overall, the manuscript follows the characteristics of a GC Insights paper (i.e., the title starts with “GC Insights”, the number of words falls within the range indicated for GC Insights, the abstract is brief, there is one figure and no tables). The paper is well-written, the title reflects the content of the paper and references seem appropriate. I appreciate the fact that authors relied on observations of well-known physical entities. A competing interest is clearly stated.
Detailed comments on the current version of the manuscript:
- Title: I would suggest adding “…Communicating long-term changes…” to better address the content of the manuscript.
- The GC Insights format indicates that “[…] any conclusions should also be evident from the Title and Abstract”, thus I would suggest adding to the abstract a sentence clearly dedicated to the conclusions of the work.
- Line 16: “potentially less relevant” might be misleading. The link between human activities and warming climate might be difficult to communicate to certain audiences, but still (could) be relevant also to individuals. So, I would suggest rewriting this sentence.
- Line 49: even though the “[…] observed increase in UK rainfall intensity […] is larger in winter than in summer” is not shown in Figure1, a reference is still needed in the text.
- Line 94-95: authors clearly refer to the “simple connections” between global dioxide emissions, increases in global average temperature and severe impacts on people. However, it might be useful to underline more the importance of “talking through the links” when using the approach described in the paper, to avoid an over-simplification of the physical processes.
Overall, the manuscript could provide an interesting contribution.
Citation: https://doi.org/10.5194/egusphere-2024-289-RC1
Data sets
Causal Chain data Ed Hawkins https://github.com/ed-hawkins/data-for-papers/tree/main/causal-chain
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