Extended Data Fig. 2: TX7d trends based on air and soil temperatures from 1970 to 2021 over Europe based on the ERA5Land reanalysis product.
From: Soil heat extremes can outpace air temperature extremes

From left to right, trend in TX7d based on air temperatures, trend in TX7d based on soil temperatures, the difference between absolute values of trends in soil and air, and the difference between trends in soil and in air where both trends are positive. Dots indicate areas with significant trends above the 90% confidence level.