What is it about?

Flash drought is know for its rapid onset, which presents a challenge for prediction. Here we present a flash drought early warning approach by tracking the temporal variation of plant photosynthesis, and we derive this information from satellite remote sensing data on solar-induced chlorophyll fluorescence (SIF). SIF refers to the "glow" emitted by the plant leaves as they photosynthesize.

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Why is it important?

Flash drought often catches farmers off guard, and causes devastating effects on crops and pastureland. Early warning can help stakeholders plan ahead to minimize losses.

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This page is a summary of: Flash drought early warning based on the trajectory of solar-induced chlorophyll fluorescence, Proceedings of the National Academy of Sciences, August 2022, Proceedings of the National Academy of Sciences, DOI: 10.1073/pnas.2202767119.
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