Title: Will half a degree make a difference? Robust projection of indices of mean and extreme climate in Europe under 1.5°C, 2°C and 3°C global warming
Citation: GEOPHYSICAL RESEARCH LETTERS vol. 45 no. 2 p. 935-944
Publication Year: 2018
JRC N°: JRC109243
ISSN: 0094-8276
URI: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2017GL076222
DOI: 10.1002/2017GL076222
Type: Articles in periodicals and books
Abstract: Based on high-resolution models, we investigate the change in climate extremes and impact-relevant indicators over Europe under different levels of global warming. We specifically assess the robustness of the changes and the benefits of limiting warming to 1.5°C instead of 2°C. Compared to 1.5°C world, a further 0.5°C warming results in a robust change of minimum summer temperature indices (mean, Tn10p, and Tn900p) over more than 70% of Europe. Robust changes (more than 0.5°C) in maximum temperature affect smaller areas (usually less than 20%). There is a substantial nonlinear change of fixed-threshold indices, with more than 60% increase of the number of tropical nights over southern Europe and more than 50% decrease in the number of frost days over central Europe. The change in mean precipitation due to 0.5°C warming is mostly nonsignificant at the grid point level, but, locally, it is accompanied by a more marked change in extreme rainfall.
JRC Directorate:Space, Security and Migration

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