Warm–dry collocation of recent drought in southwestern China tied to moisture transport and climate warming |
Departures of the 500-mb height field averaged over 2009–2013 from the 1979–2008 means. The areas surrounded by white lines represent the departures that are statistically significant above the 90% confidence level. (a) Rainy season (May–October); (b) dry season (November–April). Units: gpm. |