Thirstwaves

Scientists have introduced the term Thirstwave to describe prolonged periods when the atmosphere exhibits unusually high evaporative demand.

  • A thirstwave occurs when, for at least three consecutive days, the daily evaporative demand exceeds the historical 90th percentile for that period.
  • Evaporative demand reflects how much water the atmosphere can draw from soil and plants, influenced by temperature, wind speed, humidity, and sunlight.
  • These events signal heightened atmospheric dryness, posing risks to agriculture and water availability.
  • Monitoring thirstwaves can help farmers optimise irrigation and manage water resources more efficiently to safeguard crop ....
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Ecology & Environment