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The Personal Website of John Paul Helveston
Last Updated: 2021-01-09
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Climate Change Barcodes

5/26/2018

1 Comment

 
I saw this post by Ed Hawkins of a simple, compelling, and depressing visualization that shows the rapidly increasing global temperatures over the past century. Each vertical stripe in the "barcode" plots represents the temperature of a single year, ordered from the earliest available data to the present.

I wanted to use these as a desktop background, so I replicated the figures in R. I posted the code to my charts repository on Github.

​Here are some of the versions I made:
Contiguous U.S., annual average temperatures from 1895 - 2017, NOAA
Picture
Global, annual average temperatures from 1880 - 2018, NOAA
Picture
Global, annual average temperatures from 1880 - 2017, NASA
Picture
​Data Sources:

NASA (2017) "Goddard Institute for Space Studies (GISS)".
retrieved on May 26, 2018 from
https://climate.nasa.gov/vital-signs/global-temperature/

NOAA National Centers for Environmental information, Climate
at a Glance: National Time Series, published May 2018,
retrieved on May 26, 2018 from http://www.ncdc.noaa.gov/cag/
1 Comment
Alex Archibald
5/6/2019 06:02:31 am

Hi John (if I may), this is really awesome! I was wondering if there is a "simple" way to add on the x-axis information (time) and the "z-axis" information i.e. a colour bar which shows the scale and range of the data? I think it would be really nice if these data could be compared directly. Is there a way to use a set range of values of the colours?

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