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Communicating Climate

AGU 2013 preview and participation

8 Dec 2013 by group

So, it’s that time of year again.

Fall AGU is the largest Earth Science conference on the planet, and is where you will get previews of new science results, get a sense of what other experts think about current topics, and indulge in the more social side of being a scientist. The full scientific program is available for searching here.

In recent years, there has been an increasing amount of virtual content – including live streaming of key sessions and high profile lectures, and continuous twitter commentary (follow the hashtag #AGU13), that give people not attending to get a sense of what’s going on. Gavin and Mike are attending and will try and give some highlights as the week goes along, here and via twitter (follow @ClimateOfGavin and @MichaelEMann).

Some obvious highlights (that will be live-streamed) are the Frontiers of Geophysics lecture from the Jim Hansen (Tuesday, 12:30pm PST), Senator Olympia Snowe (Monday, 12:30pm), Judith Lean (Tues 10:20am), the Charney Lecture from Lenny Smith (Tues 11:20am), James Elsner on tornado connections to climate change (Tues 2:40pm), David Grinspoon (the Sagan lecture, Thurs 9am), and Bill Ruddiman (Thursday 2:40pm). Some full sessions will also be livestreamed – for instance, The future of IPCC session (Tues 10:20am-12:30pm), and the Climate Literacy sessions (Tues 4:00pm-6:00pm, Wed 8am-12:30pm).

For attendees, there are a number of events close to our hearts: A bloggers forum for discussion on science blogging (Mon 5pm), the Open Mic night hosted by Richard Alley (Mon 7:30pm at Jillian’s Restaurant), and the AGU 5k run on Wednesday morning (6:30am).

Also AGU and the Climate Science Legal Defense Fund have organised a facility for individual consultations with a lawyer (by appointment via lawyer@climatesciencedefensefund.org) for people either who have found themselves involved in legal proceedings associated with their science or people who are just interested in what they might need to be prepared for. There is a brown bag lunch session on Friday (12:30pm PST) for a more informal discussion of relevant issues.

There are obviously many individual presentations that will be of interest, but too many to list here. Feel free to add suggestions in the comments and look out for updates all next week.

Filed Under: Climate Science, Communicating Climate, Scientific practice

A failure in communicating the impact of new findings

6 Dec 2013 by rasmus

I was disappointed by the recent summary for policymakers (SPM) of the intergovernmental panel on climate change (IPCC) assessment report 5, now that I finally got around to read it. Not so much because of the science, but because the way it presented the science.

The report was written by top scientists, so what went wrong?

[Read more…] about A failure in communicating the impact of new findings

Filed Under: Climate Science, Communicating Climate, IPCC, Reporting on climate

Statistics and Climate

18 Nov 2013 by rasmus

Do different climate models give different results? And if so, why? The answer to these questions will increase our understanding of the climate models, and potentially the physical phenomena and processes present in the climate system.

We now have many different climate models, many different methods, and get a range of different results. They provide what we call ‘multi-model‘ and ‘multi-method‘ ensembles. But how do we make sense out of all this information?

[Read more…] about Statistics and Climate

Filed Under: Climate Science, Reporting on climate, Scientific practice, statistics

From global climate change to local consequences

3 Nov 2013 by rasmus

Some will be luckier than others when it comes to climate change. The effects of a climate change on me will depend on where I live. In some regions, changes may not be as noticeable as in others. So what are the impacts in my region?

[Read more…] about From global climate change to local consequences

Filed Under: Climate impacts, Climate modelling, Climate Science, Communicating Climate, IPCC, Reporting on climate

A new European report on climate extremes is out

26 Oct 2013 by rasmus

A new report on extreme climate events in Europe is just published: ‘Extreme Weather Events in Europe: preparing for climate change adaptation‘. It was launched in Oslo on October 24th by the Norwegian Academy of Science and Letters, and the report is now available online.

Front cover of 'Extreme Weather Events in Europe: preparing for climate change adaptation'
Front cover of ‘Extreme Weather Events in Europe:
preparing for climate change adaptation’

What’s new? The new report provides information that is more specific to Europe than the SREX report from the Intergovernmental Panel on Climate Change (IPCC), and incorporate phenomena that have not been widely covered.

It provides some compelling information drawn from the insurance industry, and indeed, a representative from Munich Re participated in writing this report. There is also material on convective storms, hail, lightening, and cold snaps, and the report provides a background on extreme value statistics, risk analysis, impacts, and adaptation.

[Read more…] about A new European report on climate extremes is out

Filed Under: Climate impacts, Climate Science, Communicating Climate, Reporting on climate, Reviews

Sea level in the 5th IPCC report

15 Oct 2013 by Stefan

What is happening to sea levels? That was perhaps the most controversial issue in the 4th IPCC report of 2007. The new report of the Intergovernmental Panel on Climate Change is out now, and here I will discuss what IPCC has to say about sea-level rise (as I did here after the 4th report).

Let us jump straight in with the following graph which nicely sums up the key findings about past and future sea-level rise: (1) global sea level is rising, (2) this rise has accelerated since pre-industrial times and (3) it will accelerate further in this century. The projections for the future are much higher and more credible than those in the 4th report but possibly still a bit conservative, as we will discuss in more detail below. For high emissions IPCC now predicts a global rise by 52-98 cm by the year 2100, which would threaten the survival of coastal cities and entire island nations. But even with aggressive emissions reductions, a rise by 28-61 cm is predicted. Even under this highly optimistic scenario we might see over half a meter of sea-level rise, with serious impacts on many coastal areas, including coastal erosion and a greatly increased risk of flooding.

IPCC_AR5_13.27
Fig. 1. Past and future sea-level rise. For the past, proxy data are shown in light purple and tide gauge data in blue. For the future, the IPCC projections for very high emissions (red, RCP8.5 scenario) and very low emissions (blue, RCP2.6 scenario) are shown. Source: IPCC AR5 Fig. 13.27.
[Read more…] about Sea level in the 5th IPCC report

Filed Under: Climate Science, Communicating Climate, IPCC, Oceans

Science of Climate Change online class starting next week on Coursera

14 Oct 2013 by david

Maybe you remember the rollout a few years ago of Open Climate 101, a massive open online class (MOOC) that was served sort of free-range from a computer at the University of Chicago. Now the class has been entirely redone as Global Warming: The Science of Climate Change within the far slicker Coursera platform. Beginning on October 21, the class is free and runs for 8 weeks. The videos have been reshot in a short and punchy (2-10 minute) format, for example here (8:13). These seem like they will be easier to watch than traditional 45-minute lectures from a classroom. It’s based on, and will show you how to play with, all-new on-line computer models, including extensive new browsing systems for global climate records and model results from the new AR5 climate model archive, an ice sheet model you can clobber with slugs of CO2 as it evolves, and more. Come and watch the train wreck join the fun! [Read more…] about Science of Climate Change online class starting next week on Coursera

Filed Under: Climate Science, Communicating Climate

What ocean heating reveals about global warming

25 Sep 2013 by Stefan

The heat content of the oceans is growing and growing.  That means that the greenhouse effect has not taken a pause and the cold sun is not noticeably slowing global warming.

NOAA posts regularly updated measurements of the amount of heat stored in the bulk of the oceans.  For the upper 2000 m (deeper than that not much happens) it looks like this:

heat_content2000m

Change in the heat content in the upper 2000 m of the world’s oceans. Source: NOAA


[Read more…] about What ocean heating reveals about global warming

Filed Under: Climate modelling, Climate Science, El Nino, Instrumental Record, Oceans, skeptics

AGU Chapman Conference on Climate Science Communication

8 Jul 2013 by Gavin

A couple of weeks ago, there was a small conference on Climate Science communication run by the AGU. Both Mike and I attended, but it was very notable that it wasn’t just scientists attending – there were also entertainers, psychologists, film-makers and historians. There were a lot of quite diverse perspectives and many discussions about the what’s, why’s and how’s of climate science communication.

There were a couple of notable features: the conference had a lively twitter hashtag (#climatechapman), and almost the entire proceedings were webcast live (schedule). The video from this has now been posted on YouTube in more bite-sized chunks.

While our own presentations (Mike here and Gavin here) are available, it is worth watching the presentations from people you might not have heard of, as well as a few from more established people. We’ll embed a few here, but please point out some of the other ones of interest in the comments.
[Read more…] about AGU Chapman Conference on Climate Science Communication

Filed Under: Climate Science, Communicating Climate

A new experiment with science publication

28 Jun 2013 by rasmus

A while ago, I received a request to publish a paper on a post that I had written here on RealClimate, exposing the flaws in the analysis of Humlum et al., (2011).

Instead of writing a comment to one paper, however, I thought it might be useful to collect a sample of papers that I found unconvincing (usual suspects), and that have had a fairly high public profile.

[Read more…] about A new experiment with science publication

References

  1. O. Humlum, J. Solheim, and K. Stordahl, "Identifying natural contributions to late Holocene climate change", Global and Planetary Change, vol. 79, pp. 145-156, 2011. http://dx.doi.org/10.1016/j.gloplacha.2011.09.005

Filed Under: Climate Science, Reviews, Scientific practice, skeptics

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