His work is detailed in the Climate Lab Book. Hawkins, meanwhile, spurred by the interest in the temperature visualisation, has added this Arctic sea ice volume and updated global temperatures spiral. “When we saw the original spiral by Ed Hawkins, we were working on new datasets with concentration and emissions data, so we looked into visualising them in the spiral style and putting them together,” Gieseke said of their effort. The current visualisations are an extension of a popular animated graphic, spiraling global temperatures from 1850 to 2016, created by climate scientist Ed Hawkins, an associate professor at the University of Reading in UK, Hawkins used what is called the spiral style, which mirrors the widening circles spawned by a stone plonked into a placid lake. Source: Australian-German Climate and Energy College. The Carbon Budget Spiral | The use of the global carbon budget – a visualisation of the carbon space being used up. Global-mean CO2 concentrations since 1850. Redrawing the original spirals by Ed Hawkins. Speaking of their current work, Gieseke told IndiaSpend: “Visualisations have always been an important tool to make complex and large data understandable and to be able to spot trends–here we tried to make the (global warming) chain visible and make it intriguing to the viewer.” The Temperature Spiral. Edward Tufte, an American statistician and professor emeritus at Yale University, who pioneered data visualisation, described it as “the whole world of seeing and thinking, bringing together how seeing and therefore thinking could be intensified”. Spirals were used as early as the 1880s by Antonio Gabaglio, an Italian statistics professor. Visualised by Robert Gieseke of the Potsdam Institute for Climate Impact Research and Malte Meinshausen of the University of Melbourne, the animated GIFs (short for Graphic Interchange Format) and interactive versions show how atmospheric CO2 concentration has increased 40% since 1850 and two-thirds of the carbon budget that the world can use to limit global warming to 2☌ has already been consumed. Two newly released spiral visualisations of global-warming data reveal how human activities are linked to rising carbon-dioxide concentrations and rising temperatures.
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