Fig. 4: Past and future drought indices. | npj Climate and Atmospheric Science

Fig. 4: Past and future drought indices.

From: A future of extreme precipitation and droughts in the Peruvian Andes

Fig. 4: Past and future drought indices.The alternative text for this image may have been generated using AI.

Timeseries of the basin-averaged recent past (1980–2018) and future (2019–2100) Standardised Precipitation Index (SPI; a and b) and Standardised Precipitation-Evapotranspiration Index (SPEI; c and d) for the Rio Santa (a and c) and Vilcanota-Urubamba (b and d) regions. The black lines show the values from the bias-corrected WRF hindcast. The blue lines show the mean of all statistically downscaled CMIP5 models for the RCP8.5 scenario, and the green lines show the RCP4.5 scenario. Shading indicates one standard deviation from the mean (across the 30 statistically downscaled CMIP5 models).

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