Study Throws Light on Flash Droughts

Recently, an international team of scientists has, by studying flash droughts between 1980 and 2015, mapped the global distribution, trends and drivers of flash drought occurrence.

What are Flash Droughts?

  • Flash droughts can be defined either as a short-lived yet severe event where soil moisture completely depletes or a multi-week period of rapid intensification toward drought.
  • It is sometimes also defined as a rapidly developing drought event.
  • Different From Conventional Drought: A lack of rainfall coupled with increased evapotranspiration makes flash drought unique from conventional drought development (evapotranspiration is the combination of evaporation from the land surface and transpiration from vegetation). ....
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Ecology & Environment