Fig. 2: Mann-Kendall and Theil-Sen slope trend results for the CHI and CHIP of LHWs and AHWs.
From: Lakes are experiencing more severe heatwaves than the atmosphere

a CHI trends of LHWs and b CHI trends of AHWs, c CHIP trends for LHWs and d CHIP trends for AHWs. All trends were subjected to significance testing, with significance levels indicated in the legend at the bottom of the figure.