A global version of
the Escalator graphic has therefore been prepared using the NOAA NCDC global (land and ocean combined) data through December 2011 (Figure 1).
Is there a reason why a linear trend is shown for the NH sea ice extent, where a second order polynomial fit trend is shown on the Arctic Sea Ice
Escalator graphic?
Escalator graphic sponsorships are available at the Austin Convention Center with a total of sixteen clings, eight on each side, single sided (76 «x21» each) placed on both sides of the escalator facing in toward the attendees on the escalator.
The reason for this is quite simple, the surface temperature dataset analysis methodologies are periodically revised, and Tisdale was using newer versions than were used in the previous
Escalator graphics.
Not exact matches
The best
graphic that I have seen is «The
Escalator» and related posts which can be found at http://www.skepticalscience.com/graphics.php?g=47.
You can find one every 5 to 10 years in the surface temperature data, as illustrated in a
graphic I created nicknamed «The
Escalator».
The
Escalator, originally created as a simple debunking to the myth «Global warming stopped in [insert date]», turned out to be a very popular
graphic.
Going Down the Up
Escalator, Part 1 recently surpassed 20,000 pageviews, Part 2 has an additional 4,000 + views, and the
graphic itself has been used countless times in other blogs and media articles.
Then again, John Cook thought that Skeptical Science would be obsolete by now due to global warming denial becoming an untenable belief, so we suspect The
Escalator will continue to be a useful myth debunking tool for some time to come, particularly since climate contrarians seem to prefer nitpicking the
graphic to learning from it.
Bob Tisdale recently suggested some sort of
Escalator - related impropriety because when he attempted to re-create the
graphic, the slopes he found for the «steps» were different than in the SkS version.