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Sci Data. 2018 Oct 30;5:180214. doi: 10.1038/sdata.2018.214.

Present and future Köppen-Geiger climate classification maps at 1-km resolution.

Author information

1
Princeton University, Department of Civil and Environmental Engineering, Princeton, NJ, USA.
2
Swiss Federal Research Institute WSL, CH-8903 Birmensdorf, Switzerland.
3
Department of Environmental Systems Science, Swiss Federal Institute of Technology ETH, Zürich, Switzerland.
4
CSIRO Land and Water, Canberra, ACT, Australia.
5
Australian Research Council Centre of Excellence for Climate System Science, Sydney, Australia.

Abstract

We present new global maps of the Köppen-Geiger climate classification at an unprecedented 1-km resolution for the present-day (1980-2016) and for projected future conditions (2071-2100) under climate change. The present-day map is derived from an ensemble of four high-resolution, topographically-corrected climatic maps. The future map is derived from an ensemble of 32 climate model projections (scenario RCP8.5), by superimposing the projected climate change anomaly on the baseline high-resolution climatic maps. For both time periods we calculate confidence levels from the ensemble spread, providing valuable indications of the reliability of the classifications. The new maps exhibit a higher classification accuracy and substantially more detail than previous maps, particularly in regions with sharp spatial or elevation gradients. We anticipate the new maps will be useful for numerous applications, including species and vegetation distribution modeling. The new maps including the associated confidence maps are freely available via www.gloh2o.org/koppen.

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